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DESCRIPTION

  • Bottom mounted cast stainless steel relief valve
  • Designed for High Hazard Cross Connections
  • Groove couplings for ease of installation and pipe alignment
  • Less than half the weight of cast iron units
  • NRS Gate valves
  • Patented torsion spring check modules for ease of serviceability
  • Stainless steel housing and sleeve

Watts Series 957 304 Stainless Steel Grooved 175 psi Backflow Preventer

W957NRS

Valve Size:

SPECIFICATIONS

ADA Compliant
No
BAA Compliant
Yes
CSA Certified
CSA B64.4
Collection
Series 957
Color Finish
Stainless Steel
End Connection 1
Flanged
End Connection 2
Flanged
End Connections
Flanged
Fitting Size 1
3 in
Fitting Sizes
3 in
Lead Law Compliant
Yes
Material
Stainless Steel
Maximum Pressure
175 psi
Maximum Temperature
140
Minimum Temperature
33
Temperature Range
33 to 140 Deg F
UL Listed
No
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 Stem
Valve Type
Backflow Preventer

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