Catalog: Water Regulators and Blackflow Preventers & Meters | |
| examples type purpose 1 2 3 4 reduced pressure zone back two independent check valves ... to main supply lines with intermediate relief valve backpressure or back siphonage ... connections supplied with shut-off valves where there is a high potential lab ... health contamination and continuous pressure applicawaste digesters continuous ... pressure tion car washes reduced pressure detector assy high hazzard rpz valve ... valve assembly two independent check valves backpressure or back siphonage for low ... health contamination and continuous pressure applica checks are replaceable for ... repair testing continuous pressure tions main supply lines food cookers ... low hazard cross-connections continuous pressure applications specialty backflow ... in small pipe sizes continuous pressure app laboratory faucet dual check valve ... | |
| out principal provides high capacity relief valve discharge during the emergency ... of combined back-siphonage and back pressure with both checks fouled epoxy coated ... entrance two inline independent check valves with an intermediate relief valve ... 1 1 1/4 -3 4 -6 watts n36 vacuum relief valve for water service automatically ... also suitable for steam service max pressure 15 psi size weight fig no price 1/2 3/ ... test kit for testing all reduced pressure zone backflow preventers accurate ... testing of zone and relief valve opening differential fouled check ... valves or similar problems that visual ... | |
| -backflowpreven ters-meters reduced pressure zone backflow preventers relief valve ... specify fig no and valve size fig no relief valve rubber parts 85660 85661 85662 ... 85663 relief valve total 64689 85665 85666 85667 ... | |
| liner butyl diaphragm max operating pressure=200of standard factory precharge 40 psig for ... tank is heated keeping the system pressure below the relief valve setting fig no ... diatrol shock supressor max working pressure=100 psig max shock pressure=150 psig max ... operating temperature=200 o f precharge pressure=22 psig large size to 48 diameter ... loss of air and water logging the air pressure can be measured and field adjusted ... -compressible liquid flowing at a given pressure and velocity causes a surge or spike of ... called water hammer when this occurs a pressure wave travels back through the piping ... until it finds a point of relief dishwashers clothes washers fast ... closing positive shut off valves incorporated in the system all ... -trol shock sup pressor max working pressure=150 psig max shock pressure=200 psig max ... | |
