Catalog: Water Regulators and Blackflow Preventers & Meters | |
| zone back two independent check valves all cross-connections subject to main ... supply lines with intermediate relief valve backpressure or back siphonage ... 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 ... washes reduced pressure detector assy high hazzard rpz valve backflow preventers ... with a water meter and rpz in by pass line fire protection system ... -connections subject to double check valve assembly two independent check valves ... backpressure or back siphonage for low hazzard cross connections where there is a low ... meter and double check in by pass low hazzard line dual check valve backflow ... app laboratory faucet dual check valve with intermediate vacuum breaker in ... | |
