Catalog: Water Regulators and Blackflow Preventers & Meters | |
| regulators-backflowpreven ters-meters watts u5b standard capacity water pressure reducing valve with integral strainer for residential commercial and industrial applications furnished with npt union inlet and npt female outlet for sizes 1/2 through 2 suitable for initial pressure unless otherwise specified max temp 160of bronze body construction stainless steel integral strainer renewable stainless steel seat high temperature resistant diaphragm built-in thermal expansion by-pass equalizing feature to relieve thermal expansion in closed systems available low pressure range u5blp 10-35 set 30 ... | |
| duff co regulators-backflowpreven ters-meters four basic types of backflow preventers description installed at examples type purpose 1 2 3 4 reduced pressure zone back two independent check valves all cross-connections subject to main supply lines with intermediate relief valve backpressure or back siphonage commercial boilers flow preventer hospital equip for high hazzard cross connections supplied with shut-off valves where there is a high potential lab equipment and ball type test cocks health contamination and continuous pressure applicawaste digesters continuous pressure tion car washes reduced ... | |
| regulators-backflowpreven ters-meters usc approvals series duff co available product size inches sizes inches 1/4-3 3/4-10 2 1/2 10 1/2-3 2 1/2 10 2-3 3-10 3/4-3 1/2 3/4 1/2 2 1/4-3 3/4-10 2 1/2-10 4 4 1/2-3 2 1/2-10 4 2-3 3-10 4 1/2-1 1/4 3/4 5/8-3/4 3/4-1 1 3/8 1/2-3-4 3/8fct 1/4 3/8 nptm 3/8 3/4 1/4 3/8 1/4-3 1/4-3/8 3/4-2 1/2,3/4 1/2-2 3/8 1/2 3/4 1 3/8,1/2 3/4 ht 1/2 3/4 3/4 1 4-10 page 357 1 2 3 4 009 909 909rpda 993 993rpda 007 709 773 007dcda 709dcda 773dcda 7 7b a7 l7 07s 7c 9dm3/m2 911 98d nlf9 n9-cd n9 288a/289 n388 188a 800mqt 800m4qt 008qt sbc 8 nf8 hb-1 fhb tws 07f for additional ... | |
| duff co regulators-backflowpreven ters-meters watts backflow preventers watts nfl9 laboratory faucet vacuum breaker has 3/8 male inlet connections fits standard laboratory faucet pipe outlet or gooseneck outlet fits standard lab hose nipple or aspirator polished chrome finish max pressure 125 psi fig no price 8686 hose connectors watts 8 a hose connection vacuum breakers for back-siphonage protection for potable hoses attached to hose thread faucets prevent the flow of contaminated water back into the portable water supply furnished with with feature that allows sill cock to be drained this ... | |
| regulators-backflowpreven ters-meters watts backflow preventers watts 909 provides protection in cross-connection control and containment for cold and hot water installations furnished with npt connections and quarter-turn full port resilient seated bronze ball valve 175 psi 140of bronze body construction modular design replaceable seats ball valve test cocks easily serviced with no special tools captured spring assemblies with bronze strainer size length weightw fig no price strainer 3/4 1 1 1/4 1 1/2 2 21 1/4 22 1/4 25 5/8 27 3/16 30 3/4 15 5/8 17 1/2 42 3/4 44 473/8 8643 8644 8645 8646 8647 ... | |
| duff co regulators-backflowpreven ters-meters watts 909 repair kits kit consists of disc assembly spring seat seat o-ring cover o-ring and lubricant series 909 check valves kit first check kits oem 887120 887133 887122 887135 oem 887121 887134 887123 887136 kit rk 909 ck1 rk 909 ck1 rk 909 ck1ss rk 909 ck1ss kit rk 909 ck2 rk 909 ck2 rk 909 ck2ss rk 909 ck2ss size 3/4 1 1 1/4 2 3/4 1 1 1/4 2 fig no 60473 60474 60475 60476 fig no 60477 60478 60479 60480 price second check kits size 3/4 1 1 1/4 2 3/4 1 1 1/4 2 price when ordering please specify figure number and valve size ... | |
| regulators-backflowpreven ters-meters duff reduced pressure zone backflow preventers co rebuild kits also available for wilkins zurn combraco febco hersey check valve kits when ordering please specify fig no and valve size fig no kit no first check kits 85637 rk909ck1 64683 rk909ck1 85638 rk909ck1 85639 rk909ck1 85640 rk909ck1 second check kits size 2 1/2 3 4 6 8 10 price fig no kit no size first check rubber parts kits 85646 rk909rc1 2 1/2 3 85647 rk909rc1 4 85648 rk909rc1 6 85649 rk909rc1 8 85650 rk909rc1 10 second check rubber parts kits kit consists of lower check stem o-ring 6 only ... | |
| duff co regulators-backflowpreven ters-meters reduced pressure zone backflow preventers relief valve kits when ordering please specify fig no and valve size fig no relief valve rubber parts 85660 85661 85662 85663 relief valve total 64689 85665 85666 85667 total rubber parts kits 85704 63072 85705 85706 85708 85707 85709 page 362 kit no size price kit consists of sleeve o-ring piston o-ring stem o-ring rv disc assembly diaphragm piston seal bottom plug o-ring adapter o-ring and lubricant rk909rv rk909rv rk909rv rk909m1rv 2 1/2 3 4 6 8 10 4 10 kit consists of diaphragm disc piston assembly ... | |
| regulators-backflowpreven ters-meters dole flow regulators chrome plated brass fig no model size flow price fig no no gallons 8734 ga006 3/8 1/16 30940 8737 ga013 3/8 1/8 30941 30957 ga019 3/8 1/5 40146 8740 ga025 3/8 1/4 30942 30903 ga035 3/8 1/3 30943 8743 ga050 3/8 1/2 30944 51954 ga060 3/8 2/3 30945 8744 ga0.75 3/8 3/4 30946 8745 ga1.1 3/8 1 30947 30919 gb1.1 1/2 1 30948 8747 gb1.50 1/2 1 1/2 30949 8750 gb2 1/2 2 30950 8753 gb2.50 1/2 2 1/2 8770 8755 gb3 1/2 3 8773 8757 gb3.50 1/2 3 1/2 8776 8760 gb4 1/2 4 8778 30920 gb4.50 1/2 4 1/2 8780 30921 gb5 1/2 5 8783 30922 gb5.50 ... | |
| duff co regulators-backflowpreven ters-meters duff flow regulators assembled to your specifications duff offers a wide range of flow controls that are ideal for use in private homes and buildings water flow rate can be equalized throughout the home or building by installing a flo-et at the inlet to each appliance and water usage can be reduced substantially by controlling the volume of water used in sinks showers and drinking fountains flo-et flow controls can be incorporated into in-line housings for specific contact time with point-of-use water filters residential and light commercial flo-et ... | |
| regulators-backflowpreven ters-meters duff flow regulators duff co flo-et flow controls offer many advantages over conventional valve-type flow controls initially flo-et controls cost less to install and because they require no maintenance or adjustments they maximize cost saving over the life of your equipment flo-et flow controls are completely tamper-proof yet authorized persons can easily alter them for increases or decreases in flow rate duff offers a wide range of customized flo-et inserts to meet your exact application needs both flo-et inserts and retainers are ideal for incorporation into ... | |
| duff co regulators-backflowpreven ters-meters for food service duff pvc flow controls are designed for applications where constant flow rates are required and variable pressures are encountered they are ideal for use in environments where metal housings are not recommended such as high purity deionized water applications flow capacities are available from 1/4 gpm to 540 gpm specify exact gpm flow rate duff flow regulators pvc flow regulators frs-series flow regulators ss-g series stainless steel flow regulators threaded flow no of pipe size model length apprx fig no rate inserts a no b weight ... | |
| regulators-backflowpreven ters-meters water meters multi-job cold water meters measure unheated water below 100of they can be used to detect waste or leaks to allocate cost accounting charges and to set standards of water consumption center sweep register superior accuracy magnetic drive with couplings size 5/8x1/2 5/8x3/4 1 1 1/2 2 fig no 47606 47607 47608 47609 47610 price duff co flanged water meter center sweep register superior accuracy magnetic drive fig no 45186 44426 44427 size 2 3 4 price brass flange gasket sets pair 1/2 2 use meter flanges size fig no price 1 1/2 2 53771 50702 ... | |
| duff co regulators-backflowpreven ters-meters flo-meters midwest sightflowindicators inexpensive protection for expensive equipment manufactured of quality materials and safety-tested to assure you of long dependable service at an economical price sight flow indicators are standard construction indicators of other metals pressures and temperatures are available all standard production sight flow indicators have the following specifications bonze body 304 stainless spinner shaft lightweight plastic spinner for indicating low flow operating pressure 125 psi operating temperature 200of glass windows ... | |
| regulators-backflowpreven ters-meters fig no 61513 61514 47779 61516 61519 61520 61521 47780 47781 61522 61523 61524 61525 duff co price flo-meters flow rate .025 to .250 .025 to .250 .1 to 1 .1 to 1 .2 to 2 .2 to 2 .5 to 5 .5 to 5 1 to 10 3 to 30 gph 3 to 30 gph 5 to 60 gph 5 to 60 gph pipe size 3/8 mpt 1/2 mpt 3/8 mpt 1/2 mpt 3/8 mpt 1/2 mpt 3/8 mpt 1/2 mpt 3/4 mpt 3/8 mpt 1/2 mpt 3/8 mpt 1/2 mpt fig no 61526 61527 61528 61529 61530 61531 61532 61533 61534 61535 61536 61537 61538 61540 61541 61542 61546-61553 flow rate .025 to .250 .025 to .250 .025 to .250 .1 to 1 .1 to 1 .1 to ... | |
| duff co regulators-backflowpreven ters-meters shock suppressors therm-x-trol thermal expansion tank steel shell polypropylene liner butyl diaphragm max operating pressure=200of standard factory precharge 40 psig for use with potable water heaters only therm-x-trols are pressurized diaphragm-type expansion tanks designed to accept the expansion of water created when a storage tank is heated keeping the system pressure below the relief valve setting fig no max psig 43561 38696 49699 150 150 150 tank vol 2.0 4.4 10.3 sys conn 3/4 3/4 1 dia 8 11 15 3/8 price diatrol shock supressor max working pressure=100 ... | |
