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Butterfly valve double offset design HGHL

Welded valve with double shell for heating

Technical data

Double offset valve with double shell for heating without interruption of the pipeline heating.

For installation between flanges EN 1092, PN 10/16/25/40, PS25 ASME Cl 150/300, PS25.

  • Sizes: DN 50 - DN 600
  • Temperature range: - 50 °C to + 400 °C
  • Face-to-face dimension: according to customers specifications
  • Mounting flange: DIN EN ISO 5211
  • Test: DIN EN 12266 P10 P11 P12 F20
  • Marking: DIN EN 19, AD 2000

Industries and applications

  • 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

Technical data sheets available on request.

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