Watts

Series 957 3 in. Stainless Steel Flanged 175 psi Backflow Preventer

Part #W957OSYM  |  Manufacturer Part #0111585

Valve Size

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Product Details

  • 304 (Schedule 40) stainless steel housing and sleeve
  • UL and FM outside stem and yoke resilient seated gate valves
  • Quick access sleeve
  • Replaceable check disc rubber
  • Bottom mounted cast stainless steel relief valve
  • Compact design allows small enclosures to be used
  • Patented torsion spring check modules for ease of serviceability
  • Groove couplings for ease of installation and pipe alignment
  • The maximum working pressure is 175 PSI (12.06 BAR)

Lead Law Compliant

Documents

Specifications

ADA Compliant: No

BAA Compliant: Yes

Collection: Series 957

Color Finish: Stainless Steel

Color Finish Category: Stainless Steel

Depth: 33-2/25 in

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

Height: 32 in

Lead Law Compliant: Yes

Material: Stainless Steel

Maximum Pressure: 175 psi

Maximum Temperature: 140

Minimum Temperature: 33

UL Listed: Yes

Valve Body Style: Inline

Valve Disc Material: Silicone

Valve Operator: Cross Handwheel

Valve Seat Material: Engineered Plastic

Valve Size: 3 in

Valve Type: Backflow Preventer

Weight: 233

Width: 22 in