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 perforations and mesh 114 spacing of hangers for pipe 136 weight per linear foot for pipe and water 140 drill sizes for pipe taps 140 tap and drill sizes 140 troubleshooting and maintaining sloan valves 194 o-rings full scale drawing 260 commercial water heater sizing checklist 277 conversion chart 351 ohms law equation wheel 351 btu orifice size guide 351 piping guide for mixing valves 352 sum
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duff co fittings and pipe selection and application of forged steel flanges screwed flanges made of steel are confined to special applications their chief merit lies in the fact that they can be assembled without welding this explains their use in extremely high pressure services particularly at or near atmospheric temperature where alloy steel is essential for strength and where the necessary post-weld heat treatment is impractical screwed flanges are unsuited for conditions involving temperature or bending stresses of any magnitude particularly under cyclic conditions where leakage through the threads may occur in relatively few cycles of heating or stress seal welding is sometimes employed to overcome this but cannot be considered as entirely satisfactory socket welding flanges were initially developed for use on small-size high pressure piping their initial cost is about 10 greater than that of slip-on flanges when provided with an internal weld as illustrated their static strength
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fire protection ref fig no 73588 73589 73571 73573 73574 73575 duff co fire stops description size wght 6 gal 22 lb 10.5 oz 2 gal 5 gal 10.5 oz 2 gal 5 gal price 1 ssm106 firestop mortar ssm22b firestop mortar sss100 red latex sealant sss102 red latex sealant sss105 red latex sealant lc150 green latex sealant lc152 green latex sealant lc155 green latex sealant s s p 1 0 0 instrumescentputty tu b e sswred intumescent red wrap ssc151 1 1/2 instrumescent collar ssc202 2 instrumescent collar ssc301 3 instrumescent collar ssc400 4 instrumescent collar ssc600 6 instrumescent collar ssb14 firestop pillow ssb24 firestop pillow ssb26 firestop pillow ssb36 firestop pillow pen200 silicone foam pen300 silicone sealant pen302 silicone sealant pen305 silicone sealant 2 3 73576 73577 4 5 73581 74932 73582 6 73584 73585 73586 73587 73590 73591 1x4x9 2x4x9 2x6x9 3x6x9 100 lb 10.3 oz 2 gal 5 gal page 151 7 73592 75850 8 83964 73578 9 73579 73580 for additional information call 610-275-4453 or fax
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duff co toilet repairs plumbing fluidmaster 400a eliminates old-fashioned float balls and rod assemblies that corrode and leak easy to install permits simple adjustment of water level for most efficient flush fits most toilet tanks built in code approved backflow preventer fig no 14989 price one piece closet valve 256 for the application of a one piece toilet with dry inlet tube system and onepiece toilet wet isolation tube fits kohler american standard case fillmaster adjustable ball cock no float or rod needed completely corrosion proof one size fits fig no price a l l excellent 50491 replacement for one compoundlever all piece closets and other extra low tanks brass fig no 14992 price floats mvbballcock all brass regular shank copper float fig no 15001 price fig no 15002 price fig no 15087 price plastic float fig no 15085 price ball cock repair seal flipper assemblyrepair kit for fluidmaster ballcocks fig no 14990 page 226 price 9 upper lift wire fig no 15063 price 5 lower l
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heating bell gossett pumps for hydronic heating and cooling systems and water heating service bell gossett booster pumps represent a long process of refinements for performance improvement over 8,000,000 sold all b&g booster pumps have these quality features quiet vibrationless b&g built ul listed motor oversized super-finished shaft long sleeve-type bronze bearings noise dampening coupler continuous oil lubrication system true centrifugal impeller bearing assembly designed for top performance and easy service circulator pump #100 2 with flanges hv hv bronze pr ci pump pr bronze 100 bronze 2 bronze w flange duff co bell gossett fig no 7803 29744 7827 25249 33212 33213 7833 7834 price all b&g pumps available at duff price 1 40103 48528 40108 40111 per pair #100 flanges ci hv pr flanges flange bronze hv pr flange bronze 3/4 7839 7846 price 1 1/4 40104 40106 40109 40112 price 1 1/2 40105 40107 40110 40113 price grundfos circulators cast iron stainless steel construction range b
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duff co pumps sump pumps mark iv heavy duty 1/2 hp 115 volt oil filled motor 6.3 amps high capacity rate 85 gpm automatic operation features piggy-back style float switch removable snap-off strainer for easy cleaning vent relief prevents air lock 1 1/2 mpt discharge fits into 2 diameter sump fig no 50555 price geyser ii classic open type trash impeller resists clogging removable screen for easy cleaning 1 1/4 fpg discharge with garden hose adapter included pumps floor dry to 1/8 fits into 7 opening two year warranty fig no 10629 price discharge height above performance up to 5100 gallons per hour pumping level 0 5 10 15 20 gallons per minute 21 19 17 14 8 discharge height above performance up to 5100 gallons per hour pumping level 0 5 10 15 20 gallons per minute 85 65 45 28 4 geyser classic sumpless 1/6 hp 115 volt oil filled motor 5 amps the same classic utility pump as 10629 but converted to an automatic sump pump that can pump down to 1/2 from floor includ
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environmental environmental pipe sch 40 plain x point well points pipe size slot size spacing .012 .014 .016 rows pipe size 1 1/4 x10 1 1/2 x10 2 x10 2 x10 3 x10 4 x10 4 x10 4 x10 6 x10 6 x20 8 x10 8 x20 10 x10 10 x20 12 x10 12 x20 duff co sch 40 plain end well screen slot size .010 020 .020 .006 .008 .010 .020 .010 020 .006 008 .020 .010 .250 .020 .250 .020 .250 .020 .250 .020 .250 .020 .250 .020 .250 .020 .250 .020 .250 spacing 3/16 3/16 3/16 3/16 3/16 3/16 3/16 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1/4 1-1/4 x5 3/16 3 .012 .014 3/16 .016 sch 80 plain pipe size slot size spacing 2 x5 .012 .014 .016 3 rows 1-1/4 x5 3/16 3 flush joint pipe and casing 2 4 sch 40 slot sizes .010 .020 pipe size 2 x2 2 x5 2 x10 2 x2 2 x5 2 x10 3 x5 3 x10 3 x2 3 x5 3 x10 4 x2 4 x5 4 x10 4 x2 4 x5 4 x10 screen spacing 3/16 flush threaded fittings casing 2 plugs/caps 2 points/male 2 points/female 2 lifting bail m/f 2 fjt adapters 3 flu
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duff co fig no 42625 42626 fig no 45659 45660 51656 51383 45661 45662 water treatment fleck valve part assemblies service equipment air checks part 60002 60003 part 60303-13 60304-13 60305-13 60306-13 60375 60376 description #500 residential air check #500 cpvc hot price timer description 3200 7 day timer w/stf 120/60 3200 12 day timer w/stf 120/60 3200 demand timer w/stf 120/60 3210 delay meter timer w/stf 120/60 9000 timer 1/15 rpm 3/4 vlv 1 minp/n 9000 timer 1/30 rpm 1 vlv 2 min p/n price drive motor assembly with switches fig no 42642 part 60555-51 description model 2900 lower drive price seal kits fig no 38964 36267 45592 44761 45591 42679 38964 42680 42681 45593 45594 part 60121 60122 60124 60129 60123 60125 60121 60128 60421 60126 60131 description model 15/25/2700 seal kit model 25/2700 hot water seal kit model 3600 hot water seal kit model 2850 model 3600 4000 4600 seal kit model 5600 9000 seal kit model 2500/2700/2750 seal kit model 2900 lower seal kit model 9000
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duff plastic and hose nds surface drain products cont d basins adapters grates valve boxes co dufftip duff can design and/or supply any type of irrigation system or equipment for additional information call 610-275-4453 or fax 610-279-6299 please call for current prices page 601
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duff co turbo torch acetylene system tools customers come first handy hand x-5 starter kit soft solders to 1 1/2 silver solders to 7/8 for the person who want a kit to which he can add tips for his application and needs kit includes regulator hose quick disconnect handle 6530 tip and heat shield x-3 starter kit soft solders to 1 1/2 silver solders to 7/8 for the person who want a kit to which he can add tips for his application and needs kit includes regulator hose quick disconnect handle 6530 tip and heat shield x-4 kit for tough silver brazing and bronze brazing jobs in air conditioning and refrigeration soft solders 3/4 to 4 silver brazes 3/8 to 4 includes a5 and a14 tips pre-set regulator handle and hose this tool is ideal for retrieving small objects trapped in basins sewer drains etc it i also helpful for starting bolts nuts and screws in hard to get at spots fig no 6496 price fig no 6441 price fig no 6449 price fig no 17481 price duff differs acetylene tips snappy ada
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visity us!d we re eas to fin from north and central nj via pa turnpike pa turnpike west to exit #25a midcounty interchange enter 476 south blue route take first exit exit #7 norristown bear right onto ridge pike which becomes main street go through 7 traffic lights approximately 4 3/4 miles and turn left onto mill street at stop sign turn right onto east lafayette street turn right into parking lot from de/md take i-95 north to route 476 north blue route exit at exit #7 norristown bear right off exit and go to first traffic light at traffic light turn right onto ridge pike which becomes main street and go through 8 traffic lights approximately 5 miles and turn left onto mill street at stop sign turn right onto east lafayette street turn right into parking lot to new jersey dekalb pike green street to philadelphia i-76 to harrisburg from south jersey via i-76 take route 76 west to route 476 north blue route exit at exit #7 norristown bear right off exit and go to first traffic light a
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