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Butterfly valve double offset design HG1

Wafer type butterfly valve for clamping

Technical data

Double offset valve as wafer type butterfly valve for high pressure and temperature loads.

For installation between flanges EN 1092, PN 10/16/25/40, PS 25 ASME Cl 150/300, PS 25/40.

  • Sizes: DN 50 - DN 600; DN 800
  • Temperature range: -50 °C to + 400 °C
  • Vacuum: up to 1 mbar
  • Face-to-face dimension: DIN EN 558 line 20 API 609 table 1
  • Mounting flange: DIN EN ISO 5211
  • Test: DIN EN 12266 P10 P11 P12 F20
  • Marking: DIN EN 19, AD 2000

Applications & Industries

  • Water / Sewage
  • Engineering
  • Food industry
  • Chemical, petrochemical and pharmaceutical industry
  • Colouring, Varnish, Dyeing factories

Materials

Body

1.0619, 1.4408

Disc

1.0619/nickel-plated, 1.4408, 1.4408/nitrated

Stem
1.4571
Seat

PTFE/glass, PTFE/1.4571/graphite, PTFE/1.4571/nitrated+graphite

Bearing

1.4401/PTFE, 1.4571/nitrated

Gland packing

PTFE, graphite

Insert ring

C-steel, 1.4571

* If you have any other material requirements, please contact us!

Further information

Application examples

Use in tank farms

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