2-1/2 in. Stainless Steel Flanged Backflow Preventer
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Watts
Series 957-FS 2-1/2 in. Stainless Steel Flanged Backflow Preventer
Package Quantity Info:
Each: 1 Inner Pack: 1
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Purchase history
Watts
Series 957-FS
2-1/2 in. Stainless Steel Flanged Backflow Preventer
F792319
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Product Details
Product Details
- Features an integrated flood sensor with SentryPlus alert technology to detect excessive water discharges from the relief valve
- Alert features available with add-on sensor connection kit
- 304 (schedule 40) stainless steel housing and sleeve
- UL and FM outside stem and yoke resilient seated gate valves
- Sizes 2-1/2", 3", and 4" available with quarter-turn ball valve shutoffs
- Replaceable check disc rubber
- Extremely compact design
- 70% Lighter than traditional designs
- Groove fittings allow integral pipeline adjustment
Specifications
- ANSI:
- ANSI 61-G
- ASSE Standards:
- ASSE 1013
- AWWA:
- AWWA C-511 1997
- CSA Certified:
- CSA B64.4
- Coating:
- Polymer
- Collection:
- Series 957-FS
- End Connection 1:
- Flanged
- End Connection 2:
- Flanged
- End Connections:
- Flanged
- FM Approved:
- Yes
- Height:
- 32 in
- Lead Law Compliance Level:
- Applicable to Lead Leaching, Not Compliant
- Material:
- Stainless Steel
- NSF:
- NSF 61 G
- NSF Certified:
- Yes
- Pressure - High:
- 175
- Proposition 65:
- WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
- Recommended Valve Application:
- Potable Water
- Temperature Range:
- 33 to 140 Deg F (0.5 to 60 Deg C)
- UL Listed:
- Yes
- Valve Body Material:
- Stainless Steel
- Valve Body Style:
- Inline
- Valve Disc Material:
- Silicone
- Valve Seat Material:
- Engineered Plastic
- Valve Size:
- 2-1/2 in
- Valve Stem:
- Non-rising
- Valve Type:
- Reduced Pressure Zone Assembly
- Weight:
- 118 lb
- Width:
- 22 in