Model 350 4 in. Epoxy Coated Ductile Iron Flanged 175 psi Backflow Preventer

W350OSYP

Manufacturer Part #: 4-350OSY

Valve Size

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DESCRIPTION

  • Designed for installation on potable water lines to protect against both backsiphonage, and backpressure of polluted water into the potable water supply
  • With outside stem and yoke gate valves
  • Modular check design
  • Single access cover reduces maintenance down time
  • Short lay length makes replacement easier
  • Zurn Wilkins® compound check provides low headloss

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 2
Flanged
End Connections
Flanged
FM Approved
Yes
Height
32-1/2 in
IAPMO Listed
Yes
Lead Law Compliant
Yes
Maximum Pressure
175 psi
Maximum Temperature
140
NSF Certified
Yes
NSF Specifications
NSF 61 Annex G
UL Listed
Yes
Valve Operator
Wheel Handle
Valve Seat Material
Noryl
Valve Stem
Non-rising
Valve Type
Backflow Preventer
Weight
320
Width
21-1/2 in

 
 
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