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2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer

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Watts

Series 957-FS 2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer

  • Fast #
  • Part #W957NRSFSL
  • Item #9997630
  • Manufacturer Part #F111602
5 out of 5 Customer Rating
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Watts Stainless Steel Stainless Steel Flanged 175 psi Backflow Preventer
You last purchased this on
 
Watts

Series 957-FS 2-1/2 in. Stainless Steel Flanged 175 psi Backflow Preventer

  • Fast #
  • Part #W957NRSFSL
  • Item #9997630
  • Manufacturer Part #F111602
5 out of 5 Customer Rating
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Package Quantity Info:

Each: 1 Inner Pack: 1
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  • Pick Up: Not available
  • Shipping: Available for immediate shipment

Frequently Purchased Together

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)
  • Requires Certification

Specifications

ANSI:
ANSI 61-G
ASSE Standards:
ASSE 1013
AWWA:
AWWA C-511-97
CSA Certified:
CSA B64.4
Coating:
Polymer
Collection:
Series 957-FS
End Connection 1:
Flanged
End Connection 2:
Flanged
End Connections:
Flanged
Height:
32 in
Installation Type:
Horizontal
Lead Law Compliance Level:
Applicable to Lead Leaching, Not Compliant
Length:
30-3/4 in
Material:
Stainless Steel, Plastic
Material Type:
304, Silicone
Maximum Temperature:
140
Minimum Temperature:
33
NSF:
NSF 61-G
NSF Certified:
Yes
Number of Handles:
Two Handle
Pressure - Maximum:
175 psi
Proposition 65:
WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov
Recommended Valve Application:
Commercial, Industrial, Water
Temperature Range:
33 to 140 Deg F
UL Listed:
No
Valve Body Material:
Stainless Steel
Valve Body Style:
Inline
Valve Disc Material:
Silicone
Valve Operator:
Cross Handwheel
Valve Seat Material:
Engineered Plastic
Valve Size:
2-1/2 in
Valve Stem:
Non-rising
Valve Type:
Reduced Pressure Zone Assembly
Weight:
211 lb
Width:
22 in