Catalog: Water Regulators and Blackflow Preventers & Meters
Company/Brand: Duff Company
relief valves in Water Regulators and Blackflow Preventers & Meters by Duff Company
zone back two independent check valves all cross-connections subject 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 ... valve assembly two independent check valves backpressure or back siphonage for low ... where there is two independent check valves a low potential health hazard checks ... towers small two independent check valves dairy equipment with intermediate ... vacuum breaker and relief vent pressure outlet to prevent ... beverage machines two independent check valves lab faucets and pipe cross connection ... or back siphonage breaker and relief vent barber shop and where there is a ... being continuous pressure applications valves and ball type test cocks ...

out principal provides high capacity relief valve discharge during the emergency ... 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 ... accurate testing of zone and relief valve opening differential fouled check ... valves or similar problems that visual ...
o-ring and lubricant series 909 check valves kit first check kits oem 887120 887133 ... number and valve size kit consists of relief valve assembly seat seat o-ring 2 ... 887138 rk 909 vt 1 1/4 2 series 909 relief valve kits fig no 60481 60482 price ...
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 ...
keeping the system pressure below the relief valve setting fig no max psig 43561 ... the piping until it finds a point of relief dishwashers clothes washers fast ... closing positive shut off valves incorporated in the system all ...