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Watts Reduced Pressure Zone Non-Rising Stem Backflow Preventer

W957NRS

Valve Size

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DESCRIPTION

  • Bottom mounted cast stainless steel relief valve
  • Non-rising stem, resilient seated gate valves
  • SS housing and sleeve
  • Torsion spring checks provide lowest pressure loss

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
3 in
Fitting Size 2
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
Type
Reduced Pressure Zone Assembly
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

 

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