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Double flange butterfly valve HG5

Double eccentric butterfly valve as double flange version

The new generation of the Hg series - a further development in a proven design. Our high-performance butterfly valve in double-flange design offers a range of advanced features that fulfill the highest demands.

Technical data

  • Sizes: DN 80 - DN 300
  • Pressure ratings: up to PN 40
  • Temperatures: from -196°C to +400°C
  • Mounting flange: DIN EN ISO 5211

Applications and industry

  • Refinery/petrochemical industry
  • Power generation
  • Sugar industry
  • Chemical industry
  • Steel Industry
  • Pulp and paper industry
  • Technical gases

Flexible installation and removal

Installation and removal in partially open position possible.

Optimum wear prevention

The insert ring of the body efficiently protects the seat
ring from direct flow of the medium and prevents wear
such as erosion and abrasion. The low-wear switching
behaviour achieves maximum service life.

Robust construction

The continuously guided stem gives the disc optimum
strength for all load directions (tightness on both sides).

Efficient automation

GEFA-MULTITOP automation efficient with variable interface without interrupting the stem. This ensures uniform transmission of torques without mounting adapter.

Safety through innovative functions

Pivoting angle limitation and visual position indicator on the stem prevents a wrong position of the stem during servicing.

Materials

Body

Stainless steel 1.4408 / steel1.0619

Disc

Stainless steel 1.4408

Stem

Stainless steel 1.4571

Seat

PTFE /metallic

Gland packing

PTFE/graphite

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

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