Model 350 3 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer

Part #W350OSYM  |  Manufacturer Part #3-350OSY

Valve Size:

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Product Details

  • No threads or taps in body or cover, eliminating exposure to corrosion
  • Single access cover reduces maintenance down time
  • Short lay length makes replacement easier
  • Zurn Wilkins® compound check provides low headloss

Lead Law Compliant

Documents

Specifications

ANSI Specifications: ANSI B16.1

ASTM Specifications: ASTM A-276, ASTM B-536

AWWA Specifications: AWWA C-510, AWWA C-606

CSA Certified: Yes

Coating: Epoxy

Collection: Model 350

End Connection 1: Flanged

End Connection 2: Flanged

End Connections: Flanged

FM Approved: Yes

Height: 28-3/10 in

IAPMO Listed: Yes

Lead Law Compliant: Yes

Length: 36-4/5 in

Material: Ductile Iron

Maximum Pressure: 175 psi

Maximum Temperature: 140

NSF Certified: Yes

NSF Specifications: NSF 61 Annex G

Type: W350OSY

UL Listed: Yes

Valve Body Style: OS&Y

Valve Operator: Wheel Handle

Valve Seat Material: Noryl

Valve Size: 3 in

Valve Stem: Non-rising

Valve Type: Backflow Preventer

Weight: 256.5

Width: 19-3/10 in