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

This product requires certification to purchase.
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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 #W957OSYFSL
  • Item #9976329
  • Manufacturer Part #F111584
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This product requires certification to purchase.
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Frequently Purchased Together

Product Details

  • Alert features available with add-on sensor connection kit
  • 304 (Schedule 40) stainless steel housing and sleeve
  • Features an integrated flood sensor with SentryPlus Alert technology to detect excessive water discharges from the relief valve
  • Groove couplings for ease of installation and pipe alignment
  • Bottom mounted cast stainless steel relief valve
  • Compact design allows small enclosures to be used
  • Replaceable check disc rubber
  • UL and FM outside stem and yoke resilient seated gate valves
  • The maximum working pressure is 175 psi (12.06 bar)
  • Requires Certification

  • Lead Law Compliant

Specifications

ADA Compliant:
No
ANSI:
ANSI 61-G
ASSE Standards:
ASSE 1013
AWWA:
AWWA C-511
Application:
Health Hazard
BAA Compliant:
No
CSA Certified:
CSA B64.4
Coating:
Polymer
Collection:
Series 957-FS
Color Finish Category:
Stainless Steel
Color Finish Name:
Stainless Steel
Depth:
33-2/25 in
End Connection 1:
Flanged
End Connection 2:
Flanged
End Connections:
Flanged
FM Approved:
Yes
Fitting Size 1:
2-1/2 in
Fitting Size 2:
2-1/2 in
Fitting Sizes:
2-1/2 in
Height:
32 in
Installation Type:
Horizontal
Lead Law Compliance Level:
Lead Law Compliant and Certified
Lead Law Compliant:
Yes
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
Pressure - Maximum:
175 psi
Recommended Valve Application:
Water
UL Listed:
Yes
Valve Body Material:
Stainless Steel
Valve Body Style:
Inline
Valve Disc Material:
Silicone
Valve Operator:
Cross Handwheel
Valve Seat Material:
Plastic
Valve Size:
2-1/2 in
Valve Stem:
Rising OS&Y
Valve Type:
Reduced Pressure Zone Assembly
Weight:
225 lb
Width:
22 in