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HERZ PRV PN25 Ductile Iron Body Pilot Operated Epoxy Coated With V-Port HVPRVF25

General Description
Type: Pressure Reducing Valve (Pilot Operated)
Model / Series: HVPRVF (V‑Port Control Type)
Pressure Rating: PN25
Connection: Flanged
Function: Reduces and maintains downstream pressure at a constant preset value
Categories: Valves
Brand: HERZ
SKU: HVPRVF25

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ABOUT THE PRODUCT

Standards & Compliance

Flange Standard: EN 1092-2 PN25

Face-to-Face: EN 558-1 

Testing Standard: BS EN 12266-1 

Water Compliance: WRAS approved (for potable water models) 

Working Principle (Pilot Operated)

Pilot system senses downstream pressure and adjusts valve opening

Maintains constant outlet pressure regardless of inlet pressure fluctuation 

Automatically closes when downstream pressure exceeds set value

Capable of regulating even at very low or near-zero flow (V‑Port design) 

Key Features

Pilot operated for high accuracy pressure control

Stable performance with varying flow conditions

Internal floating shaft reduces friction

Slow closing action reduces water hammer / pressure surge [herzmediaserver.com]

V‑Port design enables precise low-flow regulation

Maintenance-friendly with modular pilot system

HERZ

Customer Reviews

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