Safety valves

H-PVS

Description

The H-PVS safety valve is designed to prevent the effects of water hammer in pipelines.

When pressure reaches a predetermined maximum threshold, the valve responds immediately by discharging the amount of water required to prevent overpressure.

Features

Design pressure: up to 40 bar
Maximum inlet pressure: up to 25 bar
Maximum treated water temperature: 70°C
Nominal sizes DN: flanged version 50, 65, 80, 100, 150, 200
Connections: PN 10, 16, 25, 40 according to EN 1092-2 and class 150 according to ASME B16.5
Pressure setting range: from 1 to 25 bar

Do you still have questions?

Technical brochure

Click to download the file

H-PVS Water products

H-PVS 90F Water products

H-PVS TH Water products

01Sep

Sirius project completed: green hydrogen electrolyser validated at industrial scale with record purity

Hyter and its partners validated an AEMWE electrolyser up to 1 MW in an industrial environment, achieving hydrogen purity up to 99.999%.

28Jul

LEONE is a go: five Veneto innovators unite for next-generation electrolysers

Pietro Fiorentini, Athena, 2RZ, the Department of Chemical Sciences of the University of Padua and UniSMART Foundation have joined forces in the Veneto Region-funded LEONE project — LEan Optimisation of Novel Electrolysers. Over 30 months, the partners will work to simplify electrolyser manufacturing, improve reliability and reduce dependence on critical and costly materials. The project […]

20Jul

Many goals, one purpose: Pietro Fiorentini Sustainability Report 2025 is online

2025 was marked by evolving geopolitical dynamics and shifting international balances. In this complex scenario, the solidity of the Pietro Fiorentini Group ensured the continuity needed to face challenges and seize opportunities responsibly and with a long-term vision. Built on this resilience and the Group’s new governance structure, the 2025 Sustainability Report is titled “Many […]