Catalog: Duff Company Catalog | |
| duff co valves every option not available for every ... valve ball valve options grounded stem ground washer ... the lever and stem to the body of the valve to prevent the build-up of static ... for use on bronze and carbon steel ball valves where the atmosphere is corrosive ... on s8000/s8500 series stain less steel valves extended handle for insulated pipe in ... to latch as well as lock the ball valve in both the on or off position ideal ... rubber hose connections for positive shut-off oval handle high profile used on ... plate for any throttling or semiopen valve requirements such as in the balancing ... | |
| valves non-return stop check valves duff co silent check valves y-pattern ... 44440 44441 price sizes 3 to 10 these valves are recommended as a check valve on ... 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 ... operation full flow area positive shut-off at all ranges silent operation more ... foot valves in pump section globe style twin disc ... not be used as steam valve or for any air service install 3 to 4 ... | |
| duff co operating life pressure drop valves butterfly valves butterfly valves can ... cycles and still provide bubble tight shut off there are not many valves that can ... prevalent point to keep in mind the valve or valves are but one factor in a ... flow direction via fittings butterfly valve have flow characteristics three times ... better than globe valves and approximately 75 of an equivalent ... size gate valve butterfly valves can used for on/off service and ... as compared to a gate or globe valve butterfly valves have a wider range of ... saved with lightweight butterfly valves as compared to heavyweight cast iron ... valves ie a 10 butterfly valve may weigh 490 pounds this can be an ... so by considering the weight of a valve one can also reduce piping costs ... | |
| valves solenoid valves for industrial applications coil ... operation silver with stainless steel valves duff co pilot orifice diaphragm ... permits use of small less expensive valves solenoid valves are electrically ... devices used to control flow the valve is used for the remote on/off or ... of liquids gases and steam solenoid valves do not regulate flow jackes evans ... operation solenoid valves consist of two main elements 1 an ... electrical coil the solenoid and 2 a valve body or pressure vessel the solenoid is ... that powers acts to open or close the valve the valve is the pressure containing ... unit that acts to shut off or open media flow when the solenoid is ... attracts a moveable plunger in the valve physical movement of the plunger opens ... or closes a valve orifice which give the valve on/off or ... | |
| valves iron body awwa valves duff co awwa inside screw non-rising ... on bonnet generally recommended for shutoff on water lines 200 psi water 4 12 175 ... trim solid wedges wheel operated this valve contained flanged ends sizes up to 20 ... 24 48 iron body awwa butterfly valves these butterfly valves are manufactured ... seating surface to endure bubble-tight shut-off on pressures to a maximum rating of 250 ... | |
| valves add-a-valve duff co add a valve with out shutting off the water in 30 ... on cold water systems only add-a-valve is not recommended for type m or ... 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 ... on the inner surface of both add-a-valve cavities the width of both valve bodies ... three minutes then assemble the add-a-valve around the copper tubing reinsert the 4 ... in an x pattern to align the add-a-valve body evenly on the copper tubing use a ... cavity on the newly designed internal shut off stop continue to manually ratchet ... properly executed will completely seal off the water flow in he copper tubing ... | |
| multiport manifolds pressure regulators shutoff valves termination outlets and ... and retrofit gastite piping material offers important advantages improved safety ... outlet 1/2 3/4 1 71492 71493 71494 shut-off valves 1/2 3/4 1 50802 50803 47873 90 ... | |
| in bulk problem water leaks at valve stem and/or bonnet water leaks at valve ... shut-off variable or untempered discharge ... temperature water leaks at valve shut-off due to worn hot water seat variable or ... after motor replacement water leaks at valve shut-off shut-off disc and/or hot water ... dial and lever handle discard old stoem valve and hot water seat replacement ... | |
| and disc water is still untempered the shut-off disc may be gasket and disc replacement ... replacement worn water leaks from the valve or showerhead after shutoff combination ... seat water leaks from the replacement valve or showerhead after shutoff valve and ... hot water leaks at valve shutwater seat off due to worn hot water seat replacement ... continues after motor replacement the shut-off disc may be gasket and disc replacement ... 420-524 models 1-9 worn hot water seal valve hot water seat kit #227-290 std cap ... models 1-4 should be replaced valve hot water seat kit #227-340 std cap ... models 5-8 valve hot water seat kit #420-561 std cap ... model 9 worn hot water seal valve hot water seat kit #227-290 std cap ... models 1-4 should be replaced valve hot water seat kit #227-340 std cap ... | |
| rotation setting may be too low remove valve handle and readjust the handle rotation ... the handle rotation stop d if the valve is more than 10 years old refer to date ... erosion may have affected parts of the valve body model 9 use kit #420-557 models 1- ... water conversion kit #420-203 if the valve opens with hot water flow rather than ... connected to the wrong parts remove the valve and reinstall if the tempered water is ... water temperature is too low for the valve to control properly model 9 use low ... than desired a the upstream supply valve may not be fully open bc the inlet ... -028 if the flow of water is completely shut off a the upstream supply valves may ... may have failed the hydroguard 420 valve is designed to close down upon cold ... | |
| gasket disc replacement mixing valve replacement 7,8,9 and 10 7,8,10,11 and ... mixer and checkstops water leaks at valve stem and.or bonnet water leaks at valve ... shut-off water leaks at checkstop with mixer ... checkstop will not completely shut-off page 180 for additional information ... | |
| no 15315 price watts #2 washing machine shut-off valve fig no 5732 price dishwasher hose ... 18124 plastic washing machine box with valve fig no 42528 price fig no 15316 hose ... | |
| duff co heating taco zone valves taco zone valve each with its own taco ... maximum service life from taco zone valves heat anticipator is factory set to ... control available 95 o f on 115 o f off snap on 3/4 copper pipe fig no 51754 ... price motortrol hydronic control valves two-way and three way fan coil valves ... return normally closed operation 100 shut off 300 psi system pressure taco ... when used in conjunction with taco zone valves ul listed and csa approved can handle ... up to 3 taco zone valves fig no 41059 price type type 2-way 2- ... 0654c0307ga00 price hydronic zone valves designed for baseboard applications ... quikonnekt fitting ideal replacement valve normally cosed operation with end ... | |
| duff co watts relief valves heating watts 374a special pressure hot ... water boiler relief valve 3/4 only 550,000 btu watts 530 ... calibrated pressure relief valve calibrated adjustment feature for ... setting valve to relief pressure adjustable range 50- ... as by-pass thermal expansion relief valve 3/4 fig no 3842 price fig no 3774 ... asme rated self-closing t&p relief valve for water heaters up to 100,000 btu/hr ... extends the effective life of the valve of overcoming problems created by ... 340 a.s.m.e rated ansi z21.22 relief valves and automatic gas shut-off devices ... safety fuse plug vacuum relief valve vent in drain tamper-resistant bonnet ... | |
| price short stop with a short stop valve installed in a maid-omist 67 air vent ... water can flow around the extended valve mechanism into the vent when the air ... the mechanism automatically retracts to shut off the flow of water fig no 17687 ... price industrial air vent built-in shutoff includes vent cap and leakage guard 3/4 ... systems to remove air the nickel plated valve has a quick venting design and a ... positive shut-off ball check the hydrovent features a ... the cartridges can be replaced without shutting off the system fig no 49275 price auto ... vent built-in shutoff 1/8 npt male epdm seat disc and o-ring ... fig no 41940 price fast venting air valve for steam c gorton vapor equalizing ... valve venting capacity equal to 15 ordinary ... type air valves on radiators farthest from the boiler ... | |
| zone back two independent check valves all cross-connections subject to main ... supply lines with intermediate relief valve backpressure or back siphonage ... hazzard cross connections supplied with shut-off valves where there is a high potential ... pressure detector assy high hazzard rpz valve backflow preventers with a water meter ... -connections subject to double check valve assembly two independent check valves ... in by pass low hazzard line dual check valve backflow preventer for low hazard cross ... app laboratory faucet dual check valve with intermediate vacuum breaker in ... where there is two independent check valves a low potential health hazard checks ... hazard continuous pressure double check valve backflow boilers small cooling towers ... small two independent check valves dairy equipment with intermediate ... | |
| the system pressure below the relief valve setting fig no max psig 43561 38696 ... field adjusted through the vessel air valve water never contacts steel and the the ... clothes washers fast closing positive shut off valves incorporated in the system ... | |
| gages in 1.25 of water check valve ul model vcl-45s pump has cast aluminum ... disengages pump in .5 of water check valve ul listed tube discharge includes pump ... with greater pumping capacity check valve ul coil cleaning kit model tkt model ... out coils the little giant coil check valve and 20 of 1/4 tubing same as model ... pan tank unit for use where mini valve ul listed to fuel oil heaters used with ... 3 prong molded plug ty switch and check valve includes 18 of 1/2 tygon tubing 10 ... power gallons per hour 115 vac 60 hz shut off psi fig no cord with 3 prong molded ... 10 4.3 11517 1-abs includes 3/8 check valve 70 55 20 8.6 43186 suitable for high ... 18146 gph rates shown are with check valves page 386 for additional information ... | |
| pumps hydroservant i regulating valves nothing burns out a pump motor quicker ... red jacket s hydroservant i regulating valves eliminates this rapid-cycling condition ... is a demand for water the pump cuts off when pressure reaches a predetermined ... water demand hydroservant ii regulating valves duff co for capacities from 30 to 300 ... even at levels as low a 30 gpm and shuts off only when demand is withdrawn the ... | |
| duff co water treatment dwc offers a variety of standard blue housings ... both inlet and outlet ports to be shut off internally simultaneously with a half ... this eliminates the need for external shut-off valves easing installation and ... are continuously cleaned each time the valve is used ensuring leak proof operation ... added clarity and strength clear bodies offer on site examination of flow cartridge ... flow rates polypropylene construction offers excellent chemical compatibility with ... | |
| duplex bag filters do not have to be shut off for bag change out polypropylene ... housing with cpvc diverter valves size single length double length end ... | |
| in-line cleaning without disassembly no shut off required during backwash cycle ... or temperature protection of solenoid valves protection of water source heat pumps ... pump s actual flow rate if you have a valve between the pump and the pressure tank ... or liters per minute if you have no valve follow these simple steps 1 immediately ... after your pump shuts off open faucet between pressure tank and ... of time in minutes pump runs before shutting off again 3 divide volume by time to ... | |
| guest fittings male adapter duff co shut off valves union connector fig no tube ... | |
| capacity hose reel reel brake gauge and shut-off valve ridgid see snake diagnostic tools ... | |
| 479 pvc couplings 603 delaney flush valves 202 slip joint fittings 207 209 delex ... 185-188 delta faucet wrench 684 stop valve 8 diaphragm level control 374 sump pump ... check valve 374 diaphragm pumps 387 tubular 207 209 ... diaphragm valves 33 condensate pump cold water 386 die ... 583 dies 656-657 consolidated relief valves 311 dip tube 278 continuous waste 206 ... -366 copper fitting tools 678 dole air valves 313-315 copper fittings 86-98 dolly ... hand truck 704 copper shut-off tool 650 dope brushes 679 copper tubing ... douglas 693 corosex 502 douglas flush valve 228 corrugated pipe 69 599 dow 541 ... -589 dresser couplings 65-66 603 cpvc valves 607 drills ... crimpers 694 drill set 648 cryogenic valves 42 drinking fountains 248-249 culvert ... 204 duplex strainers 116 durabla check valves 41 dust mask 691 dutch finger 671 dyna- ... | |
| unit heaters 285 universal rundle flush valve 227 up flush toilet 231 up-z-dazy 427 ... steam 314 vacuum breakers 356-358 valve key 697 page 744 valve boxes 599 valves ... washing machine pan 214 washing machine shut off 214 washroom accessories 235-236 ... regulators heating 309 watts relief valves 308 watts water regulating valves 355 ... | |
