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geoffrey and dick duffine duff company 201 east lafayette street p o box 618 ... subject to change without notice duff company will not be liable for any inaccuracies ... general:placement of an order with our company is a binding agreement to our terms and ...

table of contents valves page 1 plumbing industrial ball butterfly gate globe check stainless flanged plug float solenoid and boiler valves hydrants floats petcocks and needle valves fittings pipe and tubing page 43 malleable cast iron chrome plated steel stainless forged steel brass and copper fittings flanges nipples tubing and pipe gaskets packing dresser couplings and clamps culvert gas pipe and fittings fernco couplings cast iron specialties strainers tubing fittings hangers and fasteners page 125 pipe and tubing hangers clamps rod anchors nuts angle iron and strut fi re protection page ...

reference guides how to select valves for your service 9 flow characteristics and resistance 10 v alve installation tips 11 face to face dimensions of flanged iron valves 23 butterfly valves 26 types of solenoid valves 28-29 forged steel valves 36-37 real piping specifications 54 flange and bolting dimensions 61 pipe weights and wall thicknesses 62 pipe outside diameter guide 64 selection and application of forged steel flanges 76 copper tubing specifications 84 actual outside diameter of tubing 85 distinguishing right and left hand closet bends 105 measuring cleanout plugs 109 strainer screens ...

valves page 1

valves page 2

valves stop and waste valves duff co plumbing valves stop valves size standard pattern size sweat fig no price threaded fig no price sweat fig no price 5795 1/2 5796 3/4 threaded fig no price 5790 5792 3/8 1/2 3/4 5853 5857 5995 5798 5800 angle stop valves size compression stop and waste valves sweat fig no price 6005 1/2 6007 3/4 thread fig no price 6000 6002 stop and waste caps size 5/16 3/8 fig no 6201 44411 price sweat to copper compression to copper cpvc to cpvc boiler drains standard pattern great if you can t use an open flame or don t want to solder size 1/2 3/4 fig no 6031 6032 price size ...

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valves compact pattern bronze valves duff co check valves providing an economical alternative to standard pattern valves gate valves size 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 sweat fig no price 6761 6762 6763 6764 6765 6766 6767 6768 threaded fig no price 6752 6753 6754 6755 6756 6757 6758 6759 6760 size 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 sweat fig no price 6780 6781 6782 6783 6784 6785 6786 6787 6788 threaded fig no price 6771 6772 6773 6774 6775 6776 6777 6778 6779 compact pattern ball valves compact stop and waste valves size 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 sweat fig no price 4163 4167 21204 38834 ...

duff co sillcocks valves outside faucets frost proof sillcocks size sweat fig no price 6011 6013 thread fig no price all 1/2 swt x mip length regular pattern anti-syphon pattern 1/2 3/4 6008 6010 frostproof hydrants 4 6 8 10 12 14 fig no 6019 6021 6022 6027 6028 6030 price fig no 44417 44418 44419 44420 price bury size 2 3 4 5 approx overall length fig no 25449 5304 5306 18460 price anti-syphon pattern provides freeze protection water from hydrant will drain in a steay gentle stream for approximately 15-20 seconds after hydrant is turned off health protection in the event of back syphonage ...

valves wall hydrant encased non-freeze a flush fully enclosed fully protected installation in any type wall construction hinged box cover can be locked to prevent vandalism the same key that unlocks operates hydrant amply wide flange of box extends over wall opening and provides neat flush installation for modern building facades fig no dcz1300 price duff co outside faucets wall hydrant exposed non-freeze automatic draining anti-syphon where the added security of a box hydrant is not required optional wall clamp shown to anchor hydrant in wall stainless steel face provides for flush installation ...

ball valve with waste duff co compression ball valve heavy duty brass construction rated for 600 psi of water oil or air teflon seals compression end for solderless connection to copper tubing valves size 1/2 3/4 1 sweat fig no price 17609 17610 17611 threaded fig no price 17612 17613 17614 size 1/2 3/4 1 fig no 42935 42936 42937 price pet cocks tested at 80 lbs air pressure standard spring bottom 5/32 port size 1/8 1/4 3/8 1/2 air cock fig no price 8450 8453 8456 8458 double male fig no price 8460 8462 8464 8466 double female fig no price 8469 8471 8473 8475 male x female fig no price 8479 ...

valves duff co for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices page 9

duff co valves call or fax duff s valve experts phone 610-275-4453 fax 610-279-6299 page 10 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.

valves valve installation tips duff co soldering and silver brazing analyze the application to determine which valve is best suited for installation keeping in mind the service for which the valve is recommended before installing the correct valve review the installation instructions to prevent damage to the valve and assure its maximum efficiency 1 cut tube and square ream burr and size 5a silver brazing method apply brazing wire or rod at point where tube enters valve socket keep flame away from rod or wire as it is fed into the joint move flame back and forth as alloy is drown into joint when ...

duff co valves class 125 valves 125 psi saturated steam 200 psi non-shock cold water oil or gas bronze gate globe and check valves size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 gate valve sweat thread fig no price fig no price globe valve sweat thread fig no price fig no price angle globe sweathread read th fig no no rice fig p price swing check sweat thread fig no price fig no price 3586 3598 3601 3605 4111 4116 3608 4117 3618 3551 3553 3554 3562 3563 3566 3568 3573 3578 3582 37556 37557 17760 17761 17762 17763 17764 17765 3620 3634 3640 3643 3648 4118 4119 3652 38645 38646 38647 38648 38649 ...

valves duff co bronze gate glove and check valves class 150 valves 150 psi saturated steam 300 psi non-shock cold water oil or gas gate valve non-rising stem size gate valve rising stem thread fig no price price globe valve sweat fig no price angle globe thread fig no price swing check thread fig no price sweat fig no pric e thread fig no thread fig no price 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 3968 3973 4052 4075 4139 4136 4076 4137 4096 3729 3731 3736 3740 3743 3749 3754 3760 3768 3773 3777 3785 3789 3795 3801 3805 3811 3816 3819 3828 4591 4597 4599 4604 4606 4611 4614 4618 4622 4629 4442 4445 4447 ...

duff co valves class 300 valves 300 psi saturated steam 600 psi non-shock cold water oil or gas bronze gate glove and check valves gate size fig no price globe fig no price swing check fig no price needle globe 200psi fig no price 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3834 3844 3848 3851 3852 4127 4128 3961 4500 4509 4547 4556 4562 4565 4579 4587 4698 4703 4709 4714 4715 4716 4717 4720 4719 4721 4804 4808 4813 4816 4817 pipe markers valve tags valve lockout available in all wording all duff identification products readily available page 14 available numbered ball valves available 3/8 ...

valves ball valves duff co bronze two piece 600 psi full port up to 1 conventional port 1 1/4 to 3 full port available in all sizes 15 swp 600 wog chrome plated ball reinforced tfe seats 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 sweat fig no 38108 3726 3737 3741 3772 3823 3765 3823 3837 4058 price fig no price thread 3673 3677 3679 3684 3686 3703 3708 3711 3713 3716 3723 bronze two piece with ss ball stem 600 psi full port up to 1 conventional port 1 1/4 to 3 full port available in all sizes 150 swp 600 wog 316ss ball and stem reinforced tfe seats thread fig no price fig no ...

duff co valves conventional port ball valves bronze two piece 600 psi locking handle locking handle protect your employees and yourself sweat fig no price fig no price 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 50570 50571 50572 50573 50574 50575 50576 50577 50578 50579 threaded 50560 50561 50562 50563 50564 50565 50566 50567 50568 50569 bronze three piece full port stainless and carbon steel are always available sweat fig price fig price 1/4 4147 3/8 4148 1/2 4149 3/4 4150 1 1 1/4 1 1/2 2 4152 4154 4156 4159 2 1/2 4161 thread 4133 4135 4138 4140 4141 4142 4143 4144 4145 flanged cast ...

valves bronze three way ball valve duff co ball valves class 150 and 300 flanged ball valves also available stainless or carbon steel sweat fig no price 50470 50471 50472 50473 50474 50475 50476 50477 50478 50479 threaded fig no price 4175 4176 4177 4178 4179 4180 4182 4186 4187 4188 size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 stainless steel bronze carbon steel sizes through 12 actuated ball valves this full port three way ball valve is the ideal choice fluid systems requiring minimum pressure loss and diverter operation use for water oil or gas up to 400 psi replaces 2 ball valves and a ...

duff co valves every option not available for every valve ball valve options grounded stem ground washer stainless steel washer used for grounding the lever and stem to the body of the valve to prevent the build-up of static electric charge round handle safety handle resistant to accidental operation tee handle compact handle ideally suitable where space is a problem for safety reasons oval handle low profile used in lieu of lever handles for safety also visually indicates open or closed positions extension is 1 stainless steel handle nut for use on bronze and carbon steel ball valves where ...

price fig no 50802 50803 price duff company 201 east lafayette street norristown pa ...

duff co valves floats float and fill valves single spud round float float diameter tapping copper for standard service stainless steel type 304 standard for corrosive and non-corrosive fluids to 800 degrees f and 150 psi fig no 3 4 5 6 7 8 10 12 1/4-20 sae 1/4-20 sae 1/4-20 sae 1/4-20 sae 3/8 f.i.p 3/8 f.i.p 3/8 f.i.p 3/8 f.i.p 4937 4938 4942 4944 4945 4946 4962 4969 price fig no 4974 4978 4981 4991 5004 5011 5014 5015 price brass automatic fill valve float rod 1/4 x 20 sae size 8 9 10 12 fig no 15056 15057 15058 15059 price sizes 3/8 to 1 threaded inlet and outlet size 3/8 1/2 3/4 1 1 1/4 ...

valves brass industrialicfloat valves appl ation duff co float valves are recommended for controlling a constant level in storage tanks reservoirs cooling towers filtering plants and in all types of industries such as paper mills packing plants chemical plants steel mills textile mills laundries breweries etc operation the standard operation is where a fall in liquid level will open the valve and a rise in the level will close the valve however by reversing the linkage the opposite of the above operation will occur direct float valve for open tank service angle type shown globe straight-through ...

duff co valves lever valve float adapters all sizes available other standard float balls more float lever valves flanged float valve sizes through 8 available in globe or angle pattern float mechanism for operating all lever valves steam float valve sizes 1/2 to 6 float box for use in connection with closed tanks page 22 typical options applications open or closed storage floats all materials sizes tanks and connections vats float rods brass stainless process tanks steel or galvanized pipe cooling towers swivel adapter vertical basins operation of float rod standpipes replaces rosette and ...

valves quick opening gate duff co molasses gate size 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 fig no 5310 5311 5312 5314 5315 5317 5318 5319 5321 5322 price size 3/4 1 1 1/4 1 1/2 2 3 4 fig no 5241 5243 5244 5245 5246 5248 5249 price face to face dimensions offlangedi ro n va lv e s gate valves and ball valves size 2 2 1/2 3 4 5 6 8 10 12 14 16 18 20 24 globe and swing check valves 125 lbs 8 8 1/2 9 1/2 11 1/2 13 14 19 1/2 24 1 27 1/2 31 27 1/2 30 1/2 32 1/2 angle valves centre to face 125 lbs 4 4 1/2 4 3/4 5 3/4 6 1/2 7 125 lbs 7 7 1/2 8 9 10 10 1/2 11 1/2 13 14 15 16 17 18 20 250 lbs 8 1/2 9 1/2 ...

duff co valves class 125 iron body bronze mounted gate globe and check valves size flanged gate valve rising stem fig no price flanged flanged flanged check valve gate valve globe valve globe valve non-rising straight angle stem flanged fig no price 2 2 1/2 3 4 5 6 8 4819 4823 4824 4831 4836 4840 4842 e ediat imm e for y abl er avail deliv 4846 4851 4855 4858 4861 4867 4869 all flanged gates globes and checks available in 250 sb 500 wog ratings call for immediate delivery all iron gate globe and check valves size 2 2 1/2 3 4 fig no price 18348 18349 18351 18352 available for immediate delivery ...

valves non-return stop check valves duff co silent check valves y-pattern straight angle size 2 2 1/2 3 4 5 6 8 10 fig no 44434 44435 44436 44437 44438 44439 44440 44441 price sizes 3 to 10 these valves are recommended as a check valve on each boiler in a multiple unit plant foot valves use only with flat face flange and full-face gasket silent check valves 125 wog ideal for when check valve is located on discharge size of pump results in a safe and silent piping system 1/2 through 30 for positive prime with silent operation full flow area positive shut-off at all ranges silent operation more ...

duff co operating life pressure drop valves butterfly valves butterfly valves can operate for more than 10,000 cycles and still provide bubble tight shut off there are not many valves that can take that kind of punishment energy costs go up with excessive pressure drop prevalent point to keep in mind the valve or valves are but one factor in a piping system that contribute to pressure drop of equal concern are these factors flow area of piping friction loss against pipe walls change of flow direction via fittings butterfly valve have flow characteristics three times better than globe valves ...

valves butterfly valves duff co wafer type with lever operator size 2 1/2 3 4 5 6 8 fig no 5283 5284 5289 5290 5292 5293 price lug type with lever operator size 2 1/2 3 4 5 6 8 fig no 5294 5296 5297 5299 5300 5303 price caution 1 class 250 cast iron and class 300 steel flanges can not be used on these valve 2 rubber faced or mechanical flanges are not recommended 3 this valve is not recommended for steam service 4 valves should not be assembled to the flanges and then welded into the piping system 5 lever-lock handles are not recommended for use on 8 and larger valves for additional information ...

valves solenoid valves for industrial applications coil assembly with junction box standard other housing available class f coil ul listed csa certified long life continuous duty totally encapsulated impervious to water dust and most corrosive fluids spring loaded stainless steel plunger for corrosion-free operation design permits wide choice of operating positions attractor with copper shading bends for quiet operation silver with stainless steel valves duff co pilot orifice diaphragm operation for lower pressure drop better energy savings greater tolerance of materials choice of diaphragm materials ...

valves operational sequence pilot operated normallyclosed to open when the solenoid receives an electrical signal a magnetic field is formed which attracts the plunger the plunger covering the pilot orifice lifts off causing system pressure holding the diaphragm closed to drop as system pressure on top of the diaphragm is reduced full system pressure on the opposite side of the diaphragm acts to lift the diaphragm away from the main orifice thus allowing full media flow through the valve since the bleed orifice is dimensionally small that th pilot orifice system pressure cannot rebuild on top ...

duff co valves solenoid valves 1/4 to 1 minimum pressure 1 lbs maximum pressure 150 lbs maximum temp 225o f 1 1/4 to 1 1/2 minimum pressure 5 lbs maximum pressure 125 lbs maximum temp 180o f 2 to 3 minimum pressure 2 lbs maximum pressure 125 lbs maximum temp 180o f normally closed valves valve only size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 3 fig no 38741 38742 38743 38744 38745 38746 41399 38748 38750 price valve with 24 volt coil fig no price 45197 45200 45206 45209 45212 45230 45233 45215 45221 valve with 110120 volt coil fig no price 45195 45198 45201 45207 45210 45222 45231 45213 45219 ...

valves solenoid valves steam solenoid valves maximum steam pressure 50psig minimum pressure 1 lb maximum pressure 50 lb maximum temperature 360of duff co steam solenoid valves normally closed valve only size 1/4 3/8 1/2 3/4 1 fig no 38751 38752 38753 38754 38755 price valve with 24 volt coil fig no price 45235 45239 45242 45245 45248 valve with 110120 volt coil fig no price 45236 45237 45240 45243 45246 valve with 220 volt coil fig no price 45234 45238 45241 45244 45247 three-way solenoid normally closed size 1/2 fig no 49058 price other sizes available coils voltage 24 110-120 208-240 fig no ...

duff co valves lubricated plug valves straightway threaded valve wrench size 1 1 1/4 1 1/2 2 2 1/2 3 4 5 6 fig no 5086 5087 5090 5091 5092 5093 5094 price fig no 5105 5106 5106 5106 5104 5104 5107 price flanged valve valve wrench fig no 5095 5096 5097 5098 5099 5100 5101 5102 5103 price fig no 5105 5106 5106 5106 5104 5104 5107 5108 5108 price other pattern plug valves plug valve lubricant available all valves ball gate globe and check can be cleaned for oxygen service page 32 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.

buty tfe detail knife gate valve duff company now offers the industry a versatile ...

duff co valves quick opening boiler valves size 3/4 1 1 1/4 1 1/2 2 2 1/2 fig no 17601 5263 5264 5266 5268 5270 price how figure 4000 series operates line pressure and heavy spring hold disc firmly against the body seat sealing off the flow when operated the disc slides across the body seat pushing harmful boiler scale away and wiping clean the precision lapped surfaces hand adjustment of the post packing is eliminated post packing is self-adjusted by a spring and line pressure this prevents destructive erosion or leakage of stuffing box features straight through flow leak proof seal disc has self ...

valves blow off valves duff co angle valve flange iron bodyron bod steel body angle valve screwed iron body steel body straightway valve screwed iron body steel body straightway valve flanged iron body steel body 175 lb wwp bronze gate threaded ul/ulc listed fm approved block pattern screw-over bonnet outside screw and yoke solid wedge 175 psi non-shock cold water 400 psi nonshock wog general service approved by the new york city board of standards fire protection valves 175 lb wwp iron body gate flanged ul/ulc listed fm approved bolted bonnet outside screw and yoke solid wedge pre-grooved stem ...

duff co valves forged steel valves page 36 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.

valves forged steel valves duff co os&y gates threaded and socket weld ends 800 psi 850 degrees f welded bonnet os&y globe integrally forged flanged ends class 300 and 600 bolted bonnet os&y globes threaded and socket weld ends class 800 bolted bonnet os&y gates class 800 threaded socket weld and female threaded for socket weld ends bolted bonnet size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 fig no 5271 5273 5274 5276 5277 5279 5280 5281 price lift check threaded and socket weld ends class 800 bolted cover os&y gates class 150 300 600 ball valves with tfe seats and packing adjustable packing box integrally ...

duff co valves stainless steel valves choose from our full line of high quality valves to meet your needs size fig no price 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 5250 5252 5254 5255 5256 5257 58964 61785 yes we accept visa and mastercard page 38 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices since 50 years of service over 1947

valves iron body awwa valves duff co awwa inside screw non-rising stem bronze trim solid wedges o-ring gland square operating nut conforms to awwa specifications and has identifying awwa cast on bonnet generally recommended for shutoff on water lines 200 psi water 4 12 175 psi 14 150 psi 16 20 type of ends tyton 4 12 flanged x mechanical joint 4 12 mechanical joint 4 20 flanged x tyton 4 12 flanged x ring tite 4 12 awwa inside screw non-rising stem bronze trim solid wedges wheel operated this valve contained flanged ends sizes up to 20 fitted with o-ring gland larger sizes have conventional ...

duff co gate valve steel stainless steel and aluminum valves valves for today s modern tanks api bottom loading adapter flanged emergency valve steel and stainless steel monarch air check valve delmar emergency valve aluminum universal emergency valve operator mounting brackets pneumatic actuators valve actuators pneumatic actuators electric actuator mounting brackets mounting brackets and couplings are available in a wide variety of configurations to suit specific applications many basic models air to close air to open many basic models brushless induction spring to close air to close spring ...

valves add-a-valve duff co add a valve with out shutting off the water in 30 seconds or less designed for use on l&k type copper tubing on cold water systems only add-a-valve is not recommended for type m or thinner wall copper tubing and carries absolutely no guarantee to install the add-a-valve under pressure on l or k type copper tubing without shutting off the water simply disassemble the add-a-valve body by removing the 4 ss316 allen screws brush a thin coat of jomar seal wog hard set thread sealant on the inner surface of both add-a-valve cavities the width of both valve bodies and allow ...

duff co valves cast steel valves class 150 gate o.s y bolted bonnet flexible and solid wedge class 150 globe o.s y bolted bonnet class 150 swing check bolted cover class 150 ball valve twin seal tfe seats cryogenic valves fax your order 610-275-4453 gate globe and check valves threaded and flanged in bronze and stainless duff delivers page 42 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.

fittings and pipe page 43

fittings and pipe page 44

duff fittings and pipe 150 lb malleable iron pipe fittings co 90o elbow black galvanized size fig no price 90o street elbow black galvanized fig no price 45o elbow black galvanized fig no price 45o street elbow galvanized black fig no price fig no price fig no price fig no price fig no price 1/8 458 1/4 459 3/8 460 1/2 461 3/4 462 1 463 1 1/4 464 1 1/2 465 2 466 2 1/2 467 3 468 3 1/2 21846 4 469 5 5530 6 5531 713 714 715 716 717 718 719 720 721 722 723 32458 724 32469 11878 493 494 495 496 497 498 499 500 501 502 503 504 756 757 758 759 760 761 762 763 764 765 766 767 505 506 507 508 509 510 ...

duff co fittings and pipe 150 lb reducing fittings size 90o elbow black galv fig no price fig no price coupling black galv fig no price fig no price bushing black fig no price galv fig no price face bushing black galv fig no price fig no price 1/4x1/8 3/8x1/8 3/8x1/4 1/2x1/8 1/2x1/4 1/2x3/8 3/4x1/8 3/4x1/4 3/4x3/8 3/4x1/2 1x1/8 1x1/4 1x3/8 1x1/2 1x3/4 1 1/4x1/4 1 1/4x3/8 1 1/4x1/2 1 1/4x3/4 1 1/4x1 1 1/2x1/4 1 1/2x3/8 1 1/2x1/2 1 1/2x3/4 1 1/2x1 1 1/2x1 1/4 2x1/4 2x3/8 2x1/2 2x3/4 2x1 2x1 1/4 2x1 1/2 2 1/2x1/2 2 1/2x3/4 2 1/2x1 2 1/2x1 1/4 2 1/2x1 1/2 2 1/2x2 3x1/2 3x3/4 3x1 3x1 1/4 3x1 1/2 3x2 ...

fittings and pipe 150 lb reducing fittings 90o elbow black fig 4x1 4x1 1/4 4x1 1/2 4x2 4x2 1/2 4x3 4x3 1/2 5x2 5x2 1/2 5x3 5x4 6x2 6x2 1/2 6x3 6x4 6x5 5535 5534 492 price duff co face bushing black fig 32431 32433 32434 price coupling black fig 647 648 649 650 32392 23497 22966 23689 price bushing black fig 1138 1139 1140 1141 1142 1143 1144 1145 32401 1146 1147 25511 32402 1148 1149 1150 price galv fig 32461 11876 32462 price galv fig 11926 11923 11917 861 32567 32568 11930 price galv fig 13780 13781 13782 935 936 937 32586 26497 26498 26499 26500 26501 26502 23119 26504 26505 price galv fig 32606 ...

duff co a 1/4 1/8 3/8 3/8 3/8 1/4 1/2 1/2 1/2 1/2 3/8 3/4 3/4 3/4 3/4 3/4 3/4 3/4 3/4 1/2 1 1 1 1 1 1 1 1 1 1 1 3/4 1/2 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 3/4 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 fittings and pipe 150 lb malleable iron pipe fittings reducing tee fig 789 5852 32493 32492 32491 790 18029 32498 32497 32495 791 23011 32499 792 793 32502 32501 20553 794 795 23795 22027 796 797 21855 798 18028 799 18237 18988 32500 13797 13798 13799 13800 13801 13802 13803 32506 18010 32505 32504 20866 20644 ...

duff fittings and pipe 150 lb malleable iron pipe fittings co coupling black galv size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 8 fig no 39936 39912 39913 39914 39915 39916 39917 39918 39919 39920 39921 43110 39922 4311 43112 price cap black fig no 674 675 676 677 678 679 680 681 682 683 684 32394 685 5581 686 price plug galv black fig no 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 5854 1167 price galv fig no 880 881 882 883 884 885 886 887 888 889 890 32609 891 32610 32611 price countersunk plug black galv fig no 23503 1168 1169 1170 1171 1172 1173 1174 1175 ...

duff co fittings and pipe 300 lb xh black malleable pipe fittings size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 6 90 o elbow fig no price 11684 11686 687 688 689 690 691 692 18103 11689 11691 32633 90o street elbow fig no 11650 11653 11655 11657 11659 11661 11663 11665 11666 11668 price 45o elbow fig no 11692 11694 693 694 695 696 697 698 11696 11697 11699 price tee 45o street elbow fig no price fig no price 11620 11624 11625 11627 11628 11637 11639 11642 11644 11646 11649 11702 11704 699 700 701 702 703 704 705 706 707 cross size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 page 50 coupling price ...

duff fittings and pipe 300 lb xh black malleable pipe fittings galvanized available co size 3/8x1/4 1/2x1/4 1/2x3/8 3/4x1/4 3/4x3/8 3/4x1/2 1x1/4 1x3/8 1x1/2 1x3/4 1 1/4x1/2 1 1/4x3/4 1 1/4x1 1 1/2x1/2 1 1/2x3/4 1 1/2x1 1 1/2x1 1/4 2 x 1/2 2x3/4 2x1 2x1 1/4 2x1 1/2 2 1/2x1 1/2 2 1/2x2 3x1 1/2 3x2 3x2 1/2 4x2 1/2 4x3 reducing tee fig no 11735 32647 11738 32651 32652 11741 32657 32658 32659 11742 32662 32663 11745 32665 32666 32667 11747 32669 32670 32671 32672 11750 32673 11751 40007 32675 11753 32676 11757 reducing 90o elbow fig no 32634 32635 32636 32637 32638 32639 32640 32641 32642 32643 32644 ...

duff co fittings and pipe standard black steel nipples 1/8 size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 7 8 9 10 11 12 1/4 fig no 210 211 212 213 214 215 216 217 218 219 220 26273 26275 26278 25554 26285 26289 price 3/8 fig no 222 223 224 225 226 227 228 229 230 231 232 26294 26296 26298 26300 26302 26304 price 1/2 fig no 234 235 236 237 238 239 240 241 242 243 244 246 247 248 249 250 251 price 3/4 fig no 252 253 254 255 256 257 258 259 260 261 262 264 265 266 267 268 269 price 1 fig no 270 271 272 273 274 275 276 277 278 279 281 282 283 284 285 286 price 1 1/4 fig no 287 288 289 290 291 292 ...

duff fittings and pipe standard galvanized steel nipples 1/8 size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 7 8 9 10 11 12 fig no 20 21 22 23 24 25 26 27 28 29 30 price co 1 price 1/4 fig no 32 33 34 35 36 37 38 39 40 41 42 price 3/8 fig no 44 45 46 47 48 49 50 51 52 53 54 price 1/2 fig no 56 57 58 59 60 61 62 63 64 65 66 12953 12957 5350 5352 5354 68 price 3/4 fig no 69 70 71 72 73 74 75 76 77 78 79 81 82 83 84 85 86 price fig no 87 88 89 90 91 92 93 94 95 96 98 99 101 102 103 1 1/4 size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 7 8 9 10 11 12 fig no 104 105 106 107 108 109 110 111 112 113 115 ...

duff co size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 1/8 fig price no 18171 18374 18375 18376 18377 18378 18379 18380 18381 18382 18383 1 1/4 size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 fig no 426 427 428 429 430 431 432 433 434 435 price fittings and pipe extra heavy black steel nipples 1/4 fig price no 18384 18385 18386 18387 18388 18389 18390 18391 18392 18393 18394 1 1/2 fig no 437 438 439 440 441 442 443 444 445 446 price 3/8 fig no 380 381 382 383 384 385 386 387 388 389 390 2 fig no 448 449 450 451 452 453 454 455 456 price price 1/2 fig no 391 392 393 394 395 396 397 398 399 400 ...

fittings and pipe long nipples black size fig no price duff co galvanized fig no price size black fig no price galvanized fig no price 1/2 x 18 1/2 x 24 1/2 x 36 1/2 x 48 1/2 x 60 1/2 x 72 3/4 x 18 3/4 x 24 3/4 x 36 3/4 x 48 3/4 x 60 3/4 x 72 1 x 18 1 x 24 1 x 36 1 x 48 1 x 60 1 x 72 1 1/4x18 1 1/4x24 1 1/4x36 1 1/4x48 1 1/4x60 1 1/4x72 20054 13248 13250 13251 13252 13253 20055 13254 13255 13256 13258 13259 20056 13260 13261 13262 13263 13265 20057 5428 5429 5430 13266 13268 13180 13183 13772 13191 13192 13193 13196 13198 13200 13202 13204 13205 13207 13209 13211 13213 13214 13215 121 122 42877 ...

duff co fittings and pipe nipple runs one of each size from close to 6 black size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 fig no 50989 50990 50991 50992 50993 50994 50995 50996 50997 50998 50999 51000 51001 51002 51003 pvc sch 80 price galvanized fig no 50977 50978 50979 50980 50981 50982 50983 50984 50985 50986 50987 50988 cpvc sch 80 price extra heavy black fig no price 51004 51005 51006 51007 51008 51009 51010 51011 51013 51014 51015 51016 brass fig no 44496 44497 44498 44499 44500 44501 44502 44503 44504 44505 44506 price chrome plated 304 316 brass stainless steel stainless ...

duff fittings and pipe 125 lb cast iron screwed fittings co size 90 o elbow fig no price 45o elbow fig no 32699 32700 974 975 976 977 978 979 980 981 982 price fig no tee price 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 32631 32632 938 939 940 941 942 943 944 945 946 32704 32705 984 985 986 987 988 989 990 991 992 size reducing 90 o elbow fig no price 32697 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 eccentric reducer fig no 1080 1081 1082 1083 1084 1085 32765 1086 1087 1088 32766 32767 32768 32769 32770 32771 32772 32773 price brass saddle ...

duff co fittings and pipe 125 lb cast iron screwed reducing tee size fig c 1/2 3/4 1 1 1/4 2 2 11/4 1 1/2 2 3/4 1 1 1/4 1 1/2 2 1 1 1/4 1 1/2 2 1/2 3/4 1 1 1/4 1 1/2 2 1/2 3/4 1 1 1/4 1 1/2 2 1/2 3 1 1/2 2 2 1/2 1/2 3/4 1 1 1/4 1 1/2 2 3 2 1/2 3 1 1/2 2 2 1/2 3 1 1 1/4 1 1/2 2 2 1/2 3 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 4 1025 1026 1027 1028 1029 1030 5618 5616 1031 39330 32720 5620 5619 1032 32721 1033 5621 1034 20597 23495 23496 5622 1035 1036 1037 1038 1039 1040 1041 32722 32723 32733 1044 1045 1046 1047 1048 1049 1050 1051 5626 5627 32735 1052 32736 1053 32737 1054 32738 32739 32740 32741 1055 1056 ...

fittings and pipe cast iron flanges companion flanges threaded blind flanges duff co yes we accept visa and mastercard 250lb standard companion fig no price 18314 18315 18316 18317 18318 reduced size reducing size size 125 lb standard o.d companion blind fig no price fig no price 3 7/8 4 1/4 4 5/8 5 6 7 7 1/2 8 1/2 9 10 11 13 1/2 16 19 12011 12018 1180 1181 1182 1183 1184 12022 1185 5636 1186 12029 12032 19537 12039 12045 12046 12048 12049 12050 12052 12054 12055 12057 12058 12061 12063 size 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 7 8 10 12 2 x 6 1/2 2 1/2 x 7 1/2 3 x 8 1/4 9 4 x 10 11 6 x 12 1/2 ...

duff co fittings and pipe 125 lb cast iron flanged fittings standard black faced and drilled 90 o elbow size 2 1/2 3 4 5 6 fig no 12089 12092 12095 20775 12097 price 45o elbow fig no 12100 12106 12108 12109 price tee fig no 12112 12113 12114 22479 12115 price cross fig no 23499 23500 22265 23501 23502 price concentric reducer size fig no price reducing 90 o elbow wye bobot t h qh qu uiavavai ickckadl lab i de eable le f l liv ive fo or er ry r y 3x2 1/2 3x2 4x3 4x2 5x3 5x4 6x4 6x3 12116 12119 12120 12121 23768 22725 12122 12124 flanged fittings also available in extra heavy 250lb flange gaskets ...

duff fittings and pipe flange and bolting dimensions 125 150 lb steel flanges diam of bolts no of bolts length of studs 1/16 raised face nom pipe size diam of bolt circle bolt length flange od nom pipe size diam of bolt circle diam of bolts no of bolts length of studs 1/16 raised face co flange od 250 300 lb steel flanges bolt length 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 4 5 6 8 10 12 14 16 18 20 22 24 26 30 34 36 42 2 3/8 1/2 4 2 1/4 2 3/4 1/2 4 2 1/4 3 1/8 1/2 4 2 1/2 3 1/2 1/2 4 2 1/2 3 7/8 1/2 4 2 3/4 4 3/4 5/8 4 3 5 1/2 5/8 4 3 1/4 6 5/8 4 3 1/2 7 5/8 8 3 1/2 7 1/2 5/8 8 3 1/2 8 1/2 3/4 ...

duff co fittings and pipe pipe weights and wall thickness schedule page 62 for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices.

fittings and pipe pipe steel c schedule 40 standard wall black threaded coupled price fig no 13478 13571 2 8815 5677 3 4 5 6 7 8 5343 9 galvanized threaded coupled price fig no 13570 10 11 12 13 14 15 16 17 18 19 13504 black plain end fig no 13479 13480 13481 13482 13483 13484 13485 13486 13488 13489 13563 13564 13565 13566 13569 price duff co brass schedule 80 extra heavy black plain end fig no 13492 5333 5334 5335 5336 5337 5338 5339 5340 5341 5342 13496 price chrome plated brass schedule 40 12 lengths schedule 80 schedule 40 6 lengths size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 3 1/2 ...

duff co important this pipe od guide is furnished for your convenience and is based on the latest pipe standards and information supplied by pipe manufacturers due to occasional changes in outiside diameters by pipe manufacturers the pipe od or circumference should always be checked and furnished when ordering fittings fittings and pipe pipe outside diameter guide flinite me is 10.89 for 10 and 12.99 for 12 sizes important please refer to the manufacturers data supplied at time of pipe installation or measure the pipe od or circumference prior to the ordering of fittings always check pipe od ...

fittings and pipe clamps and couplings compression couplings duff co compression couplings provide a quick low clost time proven simple to install flexible connection for steel pipe and copper tube deflection-can accomodate moderate deflection to join misaligned pipe or absorbe settlement or other moderate pipe movement after installation limited space-easy to install in cramped space with no threading or exact cutting of pipe join plain end pipe-compression coupling join plain end pipe no threading grovving flaring brazing or welding is necessary threading or grooving removes up to 40 of the pipe ...

duff co redi-clamps fittings and pipe clamps and couplings nomial size od in inch es 1/2 .84 1/2 .84 3/4 1.05 3/4 1.05 1 1.32 1 1.32 1 1/4 1.66 1 1/4 1.66 1 1/2 1.90 1 1/2 1.90 2 2.38 2 2.38 2 1/2 2.88 2 1/2 2.88 3 3.50 3 3.50 3 1/2 4.00 4 4.50 4 4.50 5 5.56 5 5.56 6 6.63 6 6.63 8 8.63 8 8.63 steel pipe size od inches width in inches 3 6 3 6 3 6 3 6 3 6 3 6 3 6 3 6 6 3 6 3 6 3 6 3 6 bolts fig no 7493 7495 7500 7502 7526 7529 7539 7546 7549 7551 7366 7370 7375 7376 7380 7402 39049 7405 7408 7410 7411 7423 7426 7428 7430 sleeve length inches fig no price price redi-clamps provide a fast economical ...

fittings and pipe clamps and couplings full circle repair clamps duff co flexible repair clamps consisting of one or more stainless steel band sections to which cast lugs are securely attached to accomodate bolts and nuts for the purpose of mounting the clamp on pipe it has a full encirclement tapered overlapping gridded gasket with a flush mounted bonded-in stainless steel bridge plate to span the band opening between the lugs to provide a full circumferential seal on the pipe a full circle clamp coupling is fast and simple to install and requires no special tools the clamp is wrapped around the ...

duff co fittings and pipe cplpajmntsclamp dfor stopping linat joints where pipe is screwed into a fitting p a n coup leaks gs i e oi quickly put on under pressure without interruption of service the skinner pipe joint clamp will withstand tremendous pressure saves the cost of tearing out and renewing leaky fittings a positive repair not hindered by vibration or expansion in use over 80 years on gas oil gasoline steam water ammonia and brine leaks the sliding push ring in the skinner pipe joint clamp transmits the pressure of the thrust screws to the gasket the gasket completely confined and guided ...

duff fittings and pipe corrugated steel pipe and pipe arches plain galvanized plain galvanized pipe is fabricated or copper-bearing steel for maximum service life this pipe meets the applicable requirements of both federal and state highway specifications pipe coupling size fig no price fig no price 8 43685 50743 10 43686 50744 12 6192 50745 15 6194 50746 18 6195 50747 21 6196 50748 24 6197 50749 30 6198 50750 36 6199 50751 co fully asphalt-coated and paved designed for maximum service life where corrosion and wear are usually severe the pipe is completely coated with asphalt and is paved in the ...

duff co fittings and pipe 125 lb cast brass fittings 90o elbow size fig no price side outlet 45o elbow 45o street 90o street o elbow 90 elbow elbow fig no 2284 2285 2286 2287 2288 2289 2290 2291 2292 12083 12084 price fig no 26372 price fig no 2293 2294 2295 2296 2297 2298 2299 2300 2301 12087 12088 31913 price fig no 2302 2303 2304 2305 2306 2307 2308 2309 2310 price fig no tee price street tee fig no 31961 31959 31962 31964 price cross fig no 12126 12128 12129 12131 12132 12133 12134 12136 12138 12139 12140 price 1/8 2259 1/4 2260 2261 3/8 1/2 2262 2263 3/4 1 2264 1 1/4 2265 1 1/2 2266 2 2267 ...

duff fittings and pipe 125 lb cast brass reducing fittings c a bushing size 1/4 3/8 3/8 1/2 1/2 1/2 3/4 3/4 3/4 3/4 1 1 1 1 1 1/4 1 1/4 1 1/4 1 1/4 1 1/4 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 1 1/2 2 2 2 2 2 2 2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 2 1/2 3 3 3 3 3 3 3 1/8 1/8 1/4 1/8 1/4 3/8 1/8 1/4 3/8 1/2 1/4 3/8 1/2 3/4 1/4 3/8 1/2 3/4 1 1/4 3/8 1/2 3/4 1 1 1/4 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 1/2 3/4 1 1 1/4 1 1/2 2 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 fig no 2392 2394 2393 2397 2395 2401 2400 2399 2398 2405 2404 2403 2402 25419 26328 2408 2407 2406 26327 26325 2412 2411 2410 2409 31992 51734 2417 2416 2415 2414 2413 ...

duff co fittings and pipe brass nipples size close sh 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 7 8 9 10 11 12 1/8 fig no price 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 35746 35747 35748 35749 35750 35751 1 1/4 fig no price 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 35752 35753 35754 21196 23348 35755 1 1/4 3/8 fig no price 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 35757 35758 35759 35760 35761 35762 1 1/2 2 fig no 2520 2521 2522 2523 2524 2525 2526 2527 2528 35726 35727 35728 35729 35730 35731 1/2 fig no price 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 ...

non-asbestos packing construction multilok braid features non-asbestos fibers treated with a specially formulated blend of lubricants recommended for red rubber sheet steam super heated steam air petroleum products hot gases limitations maximum line temperature 1200 sold by the pound size 3/16 5/16 7/16 1/8 3/8 5/8 1/2 1/4 3/4 feet per pound 57 19 8.2 80 9.7 3.2 6.0 22 2.8 fig no 8213 8219 8224 8210 8220 8230 8228 8217 8237 price fittings and pipe packing and gasket material duff co neoprene and cloth inserted neoprene sheets available high grade red rubber compound general purpose for water ...

duff co fittings and pipe 2000 forged steel threaded fittings size 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 90o elbow fig no price 5109 5110 5111 5112 5113 5114 5115 5116 20449 32219 32220 45 o elbow fig no price 5125 5126 5127 5128 5129 5130 5131 5132 32223 32224 32225 tee fig no 5117 5118 5119 5120 5121 5122 5123 5124 31280 32221 32222 cross price fig no 5133 5134 5135 5136 5137 5138 5139 5140 32226 32227 32228 price 3000 forged steel threaded and socket weld fittings 90 o elbow thread size 1/8 1/4 3/8 1/2 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 45 o elbow thread fig no 5160 5161 5162 5163 5164 5165 5167 ...

gas propane and butane lines meets gas company standards world wide full density 1.6 ...

aqua sense sensorflo contact your duff company representative for various options ...

also readily available through duff company roof drain domes available in cast iron ...

co commercial disposers plumbing duff company offers a complete line of insinkerator ...

dope use teflon tape only call duff company with the name of your water company we ...

for call the pump experts at duff company for all your pump needs 610-275-4453 ...

visit us you are always welcome at duff company 201 east lafayette street norristown pa ...

duff co pumps grizzly by red jacket the red jacket 2-wire and 3wire grizzly is the most advanced pump on the market today at red jacket we believe the best way to build top quality products is to manufacture them ourselves red jacket is one of the few remaining american companies that designs and manufactures its own motors this ability allows us to perfectly match our pumps and motors to give maximum performance our 208/230 volt motor is the only standard dual rated motor in the industry when voltage supplies are not a consistent 230 volts as in some rural applications our motor will continue ...

custom configurations call duff company for all your oil-water seperator needs ...

environmental duff co applications for our dp-series oil/water separators automotive industry assembly line maintenance automotive maintenance facilities engine washing facilities process water airports maintenance facilities bus terminals maintenance facilities bulk plants maintenance facilities chemical plants process water cooling water discharge compressor blow down process water cosmetics industry process water electro chemical plants rinse water fabricated metal plants maintenance facilities floor drains process water food processing plants removal of oil and grease from waste ...

treatment duff co a division of duff company products for quality water clearly ...

products duff co a division of duff company products for quality water for ...

duff co a division of duff company products for quality water water ...

family-owned and family operated duff company and its water conditioning division dwc ...

custom colors please consult your duff company water treatment expert 610275-4453 ... more specific information contact duff company water treatment department at 610-275- ...

23544 50791 9300 47948 46833 35040 duff company we sell solutions call us with your ...

sv10 gpm uv light w alarm call duff company for the right size uv light to fill ... your needs promptly duff company has the right uv bulb in stock for your ...

water treatment duff co duff company duff company fig no 72805 66331 72806 ...

49169 you are always welcome at duff company visit us anytime page 618 for ...

16808 you are always welcome at duff company come visit us anytime 201 e lafayette ...

for your pricing and availability duff company is your best source for general wire ...

gas propane and butane lines meets gas company standards world wide full density 1.6 ...