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Watts Reduced Pressure Zone Non-Rising Stem Backflow Preventer

W957NRS

Valve Size

Starting at Call for Pricing
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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
  • Patented torsion spring check modules for ease of serviceability
  • Stainless steel housing and sleeve

SPECIFICATIONS

ADA Compliant
No
BAA Compliant
Yes
CSA Certified
CSA B64.4
Color Finish
Stainless Steel
End Connection 1
Flanged
End Connection 2
Flanged
End Connections
Flanged
Fitting Size 1
2-1/2 in
Fitting Size 2
2-1/2 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
Type
Reduced Pressure Zone Assembly
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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