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ZETA Knifegate Valve

ZETA Knifegate Valve
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ZETA Knifegate Valve

Features:
- Face-to-face length acc. to EN 558-1, basic series 20 (DIN 3202 / K1)
- With flange end acc. to EN 1092-2, PN 10
- Full-flange design, both as wafer type and for pipeline end installation, without additional counter flange at full differential pressure
- Full-flange design with unrestricted flow passage
- Leakproof from both flow directions
- Horizontal sealing adjustable during operation and replaceable with the valve installed in the pipeline
- Scraper installed on both sides of the plate to clean the knife
- With handwheel

Materials:
- Body parts, bearing plate and gland: Cast iron EN-JL 1040 (GG 25)
- Knife: Stainless steel 1.4301
- U-sealing and horizontal sealing: Elastomer (NBR)
- Yoke - sheet metal construction (DN 50-300): Stainless steel 1.4301
- Yoke - sheet metal construction (DN 350-600): Fabricated steel with double zinc coating
- Fittings: Stainless steel A2 (DIN EN ISO 3506)
- Stem: Stainless steel 1.4021
- Stem nut: Brass

Corrosion protection:
- Cast iron parts: Epoxy coating

Versions:
- Standard version as described
- Gate: Stainless steel 1.4571
- Stem: Stainless steel 1.4057