Series HS41X
PRPLJ045

HS41X Anti-Pollution Backflow Prevention Valve

A reduced-pressure-zone backflow prevention valve that protects potable mains against back-siphonage and back-pressure contamination.

SizeDN40 to DN300PressurePN10 / PN16BodyReduced-pressure-zone backflow preventer
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CategoriesWaterworks & Specialist ValvesAnti-Pollution / Backflow Prevention Valves
Overview

The HS41X anti-pollution backflow prevention valve uses a reduced-pressure-zone (RPZ) arrangement of two independent check valves and a relief valve to provide high-hazard protection against the backflow of contaminated water into the potable supply. It is suited to commercial, industrial and irrigation connections where cross-contamination risk is significant.

Technical Detail

Specifications

Product Code
HS41X
Size Range
DN40 to DN300
Pressure Rating
PN10 / PN16
End Connections
Flanged
Body Material
Ductile iron, epoxy coated
Body Style
Reduced-pressure-zone backflow preventer
Operation
Self-actuated
Applications
High-hazard backflow protection of potable mains
Design Standard
GB/T, manufacturer standard
At a Glance

Key Features

  • Reduced-pressure-zone (RPZ) protection
  • Twin independent check valves
  • Relief valve discharge
  • High-hazard cross-connection control
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