Catalog: Water Regulators and Blackflow Preventers & Meters
Company/Brand: Duff Company
relief valve 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 ... 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 ...
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 ... out principal provides high capacity relief valve discharge during the emergency ... fouled epoxy coated cast iron check valve body with bronze seats 175 psi to 140of ... 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 ... please specify figure number and valve size kit consists of relief valve ... 887138 rk 909 vt 1 1/4 2 series 909 relief valve kits fig no 60481 60482 price ... please specify figure number and valve size rubber goods only kits oem 887130 ...
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 ...
keeping the system pressure below the relief valve setting fig no max psig 43561 ... field adjusted through the vessel air valve water never contacts steel and the the ... the piping until it finds a point of relief dishwashers clothes washers fast ... closing positive shut off valves incorporated in the system all ...
