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Butterfly valve double offset design HGF

Wafer or lug typ butterfly valve, FireSafe version

Butterfly valve double offset design HGF

Technical data

Double offset valve for the use in the FireSafe area according to DIN EN ISO 10497, API 607 und BS 6755 Part 2.

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

  • Sizes: DN 50 to DN 600
  • Temperature range: -50 °C to + 400 °C
  • 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

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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