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4 in. Stainless Steel Flanged 350 psi Backflow Preventer

Zurn Wilkins

475ST 4 in. Stainless Steel Flanged 350 psi Backflow Preventer

  • Fast #
  • Part #W475STOSYP
  • Item #7566962
  • Manufacturer Part #4-475STOSY
5 out of 5 Customer Rating
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Zurn Wilkins

475ST 4 in. Stainless Steel Flanged 350 psi Backflow Preventer

  • Fast #
  • Part #W475STOSYP
  • Item #7566962
  • Manufacturer Part #4-475STOSY
5 out of 5 Customer Rating

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Package Quantity Info:

Each: 1 Inner Pack: 1
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    0  in  Hilliard, OH
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Product Details

Product Details

  • For use with potable water pipes with a 4 in. diameter
  • OS and Y gate valves
  • Superior stainless steel body resists corrosion and extends the life of the product
  • Approved for applications requiring flow vertical up and vertical down
  • Time-tested check and relief valve components ensure easy maintenance and more water system uptime
  • Patented compound checks provide ultra-low pressure drop as documented by approval authorities, reducing the need for a booster pump
  • Patented AR spool for drop-in replacements, matching lay-lengths of common n-pattern valves
  • AR spool maintains agency approvals when installed by the factory
  • Backflow setter eliminates the need for concrete thrust blocks, allowing for easier installation and lower cost
  • Available in sizes 4 in. through 10 in.
  • Requires Certification
  • Lead Law Compliant


Specifications

ANSI:
ANSI 61
ASSE Standards:
ASSE 1013
ASTM:
ASTM A-276
AWWA:
AWWA C-511, AWWA C-550
Coating:
Electrostatic Epoxy
Collection:
475ST
End Connection 1:
Flanged
End Connection 2:
Flanged
End Connections:
Flanged
FM Approved:
Yes
Height:
38 in
IAPMO Listed:
Yes
Installation Type:
Horizontal
Lead Law Compliance Level:
Lead Law Compliant and Certified
Lead Law Compliant:
Yes
Length:
35-1/8 in
Material:
Stainless Steel
Material Type:
304L
Maximum Temperature:
140
Minimum Temperature:
33
NSF:
NSF 61
NSF Certified:
Yes
Number of Handles:
Two Handle
Pressure - High:
175
Pressure - Maximum:
350 psi
Recommended Valve Application:
Water
Temperature Range:
Up to 140 Deg F
UL Listed:
Yes
UPC:
612052283609
Valve Body Material:
Stainless Steel
Valve Body Style:
Vertical
Valve Operator:
Wheel Handle
Valve Port Opening:
Full Port
Valve Seat Material:
Noryl
Valve Size:
4 in
Valve Type:
Reduced Pressure Principle Assembly
Weight:
204 lb
Width:
32 in