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4 in 957, 957-NRS Reduced Pressure Zone Assembly, Grooved, 304 Stainless Steel
WATTS 0111604 ### DISCONTINUED ITEM CANNOT BE ORDERED REPLACED BY F111604 4 957-NRS-FSWith .3577707 ### LEAD-FREE (N) 957-NRS 4" REDUCED PRESSURE ZONE BACKFLOW PREVENTER
Backflow Preventers
}
4 in 957, 957-NRS Reduced Pressure Zone Assembly, Grooved, 304 Stainless Steel
1485113
MFG #: 0111604
Product ID:1485113
Famous Supply
- Dimensions: 33-3/4 L x 11-3/16 W in
- Pressure Rating: 175 psi
- Series: 957
- Temperature Rating: 33 to 140 deg f
- Nominal Size: 4 in
- End Style: Grooved
- Body Material: 304 Stainless Steel
- Domestic/Import: Domestic
Series 957, 957N, 957Z Reduced Pressure Zone Assemblies prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. It consists of stainless steel body, sleeve and torsion spring check valves. Series 957, 957N, 957Z has a compact design that is 70% lighter than traditional designs and is ideal for health hazard piping applications for protection against backsiphonage or backpressure. Check with local water authorities for installation requirements.
- Features
- Warranty
- Standards & Approvals
- Includes
- Application
| Replaceable check disc rubber |
| Extremely compact design |
| 70% lighter than traditional designs |
| 304 (SCH 40/STD) stainless steel housing and sleeve |
| Groove fittings allow integral pipeline adjustment |
| Patented torsion spring check provide lowest pressure loss |
| Unmatched easy of serviceability |
| The wetted surface of this product contacted by consumable water contains less than 0.25% of lead by weight |
| Bottom mounted cast stainless steel relief valve |
| Non-rising stem resilient seated gate valve |
| 1 Year Limited |
| Approved By The Foundation For Cross-Connection Control And Research At The University Of Southern California |
| ASSE 1013 |
| AWWA C551-92 |
| cCSAus B64.4 |
| NSF/ASNI 61-G |
| PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. |
| Sleeve and Torsion Spring Check Valves |
| Health Hazard |