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Unique by its versatility

VAG ZETA® Knife Gate Valve

PN 10/8/6/4/2.5 - DN 50...1000

Product features

Full-flange design, both as wafer type and for pipeline end installation, without additional counter flange at full differential pressure, any installation posistion possible
Flange dimensions acc. to DIN EN 1092-2 / PN 10
Face-to-face to EN 558-1 series 20 (formerly DIN 3203-2 series K1)
Solid full-flange design, body screws outside of the flange gasket edges, unrestricted passage free of rinsing edges
Leakproof in both flowing directions
Knife sealing pressure supported, chambered U-shaped bracket seal (DN 700...1000 with additional PTFE sliding rails)
Special profiled lateral seal with integrated PTFE guiding rods for optimum guiding of the knife (DN 700...1000 with double quadring sealings)
Lateral seal alows adjustment during operation and easy replacement without dismantling the valve from the pipeline
Scraper profiles integrated on both sides for permanent cleaning of the knife at every stroke
Closed yoke of stainless steel offers a high degree of personal protection from moving parts and at the same time an optimum shielding of the knife
With mounted handwheel

Materials and corrosion protection

Body parts, bearing panel and thrust piece of cast iron EN-JL 1040 (GG-25)
Knife of stainless steel 1.4301 (A2), alternative 1.4571 (A4)
U-shaped bracket seal and lateral seal of elastomer (NBR)
Yoke of steel sheets:
- up to DN 300, 700-1000 protective stainless steel sheeting 1.4301
- DN 350-600 sheet steel with double galvanising
Stem of 1.4021 (A2) or 1.4057 (A4), stem nut of brass
All connection parts min. quality A2-70
Body parts, bearing panel and thrust piece of cast iron with epoxy coating

Field of application