6 in. Epoxy Coated Cast Iron Flanged 175 psi Backflow Preventer

Part #WLF909OSYU  |  Item #4321404  |  Manufacturer Part #0122764

$12,747.70 EACH
(Pricing is for 6 in)

Valve Size:

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Product Details

  • Replaceable seats
  • Stainless steel internal parts
  • No special tools required for servicing
  • Captured spring check assemblies
  • Fused epoxy coated & lined checks
  • Industrial strength sensing hose
  • Field reversible relief valve
  • Air-in/water-out relief valve design provides maximum capacity during emergency conditions
  • Lead-Free

Lead Law Compliant



ADA Compliant: No

ASSE Standards: ASSE 1013

AWWA Specifications: AWWA C-511

Application: Health Hazard

BAA Compliant: Yes

CSA Certified: [CSA B64.4, CSA B64.5]

Coating: Epoxy

Depth: 69 in

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: Yes

Fitting Size 1: 6 in

Fitting Size 2: 6 in

Fitting Sizes: 6 in

Height: 36-1/8 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

Length: 65-13/16 in

Material: Cast Iron

Maximum Pressure: 175 psi

Maximum Temperature: 110

Minimum Temperature: 33

NSF Certified: Yes

NSF Specifications: NSF 61G

Recommended Valve Application: Water

UL Listed: Yes

Valve Body Material: Cast Iron

Valve Body Style: Inline

Valve Operator: Cross Handwheel

Valve Seat Material: Stainless Steel

Valve Size: 6 in

Valve Type: Reduced Pressure Zone Assembly

Weight: 798

Width: 27 in