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3 in. Stainless Steel Flanged Backflow Preventer

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Watts

Series 957-FS 3 in. Stainless Steel Flanged Backflow Preventer

  • Fast #
  • Part #W957NOSYFSM
  • Item #10001333
  • Manufacturer Part #F111591
5 out of 5 Customer Rating
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3 IN SS REDUCED PRESSURE ZONE ASSEMBLY BACKFLOW PREVENTER OSY SHUTOFF VALVES N PATTERN BACKFLOW FLOOD SENSOR
You last purchased this on
 
Watts

Series 957-FS 3 in. Stainless Steel Flanged Backflow Preventer

  • Fast #
  • Part #W957NOSYFSM
  • Item #10001333
  • Manufacturer Part #F111591
5 out of 5 Customer Rating
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Package Quantity Info:

Each: 1 Inner Pack: 1
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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
  • Replaceable check disc rubber
  • Bottom mounted cast stainless steel relief valve
  • Compact design allows small enclosures to be used
  • Groove couplings for ease of installation and pipe alignment
  • The maximum working pressure is 175 psi (12.06 bar)
  • 70% Lighter than traditional designs
  • Requires Certification

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:
25 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:
N Pattern
Valve Disc Material:
Silicone
Valve Seat Material:
Engineered Plastic
Valve Size:
3 in
Valve Stem:
Outside
Valve Type:
Reduced Pressure Zone Assembly
Weight:
161 lb
Width:
35-1/2 in