Skip to main content

Double-eccentric butterfly valve HG1/7 W

For use in hydrogen applications

Technical data

Double eccentric butterfly valve in tried and tested design for technical gases and high-purity media.

Compact design DIN EN 558 series 20/25/16/13, API 609 T1. Pressure ratings up to PN 40, vacuum-tight.

  • Sizes: DN 50 to DN 800
  • Temperature range: - 196 °C to + 400 °C
  • Face-to-face dimension: DIN EN 558 Reihe 20/25/16/13, API 609 Tabelle 1
  • Mounting flange: DIN EN ISO 5211
  • Test: DIN EN 12266 P10 P11 P12, Leckrate A

Materials

Body

Steel 1.0619, Stainless steel 1.4408

Disc

Steel 1.0619, Stainless steel 1.4408

Stem

Stainless steel 1.4571, 1.4542

Seat

PTFE, PTFE/glass, PTFE/carbon, PEEK / metallic double seat

Gland

PTFE/graphite

We are pleased to be at your disposal for further material requests. Please do not hesitate to contact us.

Further information

GEFA hydrogen valves

Further information about our hydrogen valves

Contact form

In order to process your request quickly and accurately, we recommend that you complete all the fields on the form.
This will enable us to process your request in the best possible way and give you prompt feedback.

How did you hear about us?

Product categories