Resilient-seated knife-gate valve in fully flanged design, sealing in both flow directions, with integrated scraper system and free flow passage. Operation via handwheel. The enlarged bottom seal and the metallic limit stop of the knife in the body ensure perfect tightness. Suitable for use as shut-off valve in waste-water applications, in dams, in power plants and in industry.
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VAG ZETA® Knife Gate Valve

manually operated
Resilient-seated knife-gate valve in fully flanged design, sealing in both flow directions, with integrated scraper system and free flow passage. Operation via handwheel. The enlarged bottom seal and the metallic limit stop of the knife in the body ensure perfect tightness. Suitable for use as shut-off valve in waste-water applications, in dams, in power plants and in industry. Send offer request

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General information

Product features and benefits

  • 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

Material

  • Body parts, bearing plate and gland: Cast iron EN-GJL-250 (GG-25)
  • Knife: Stainless steel 1.4301
  • U-sealing and horizontal sealing: Elastomer (NBR)
  • Fittings: Stainless steel A2 (DIN EN ISO 3506)

Corrosion protection

  • Cast iron parts: Epoxy coating

Version

  • Gate: Stainless steel 1.4571
  • Stem: Stainless steel 1.4057
  • Drive variant:
    • Electrical
    • Pneumatical
    • Hydraulically

Product versions

Handlever

Product features and benefits
  • With clamping lever to fix the knife in final position
Material
  • Yoke and sheet metal covering: Stainless steel 1.4301
  • Clamping lever: Stainless steel 1.4305
  • Actuator lever, tie rods and bolts: Stainless steel 1.4301 Note

Handwheel from DN 700

Product features and benefits
  • Specially shaped horizontal sealing with double quad ring profile and integrated PTFE sliding rails for reducing operation forces
  • Horizontal and axial guiding of the knife on flexible plastic sliding rails
  • Handwheel version with AUMA bevel gearbox GK (type A for rising stem)
  • With handwheel
Material
  • Yoke and sheet metal covering: Stainless steel 1.4301
  • Stem: Stainless steel 1.4021

Handwheel up to DN 600

Product features and benefits
  • With handwheel
Material
  • Yoke - sheet metal construction (DN 50-300): Stainless steel 1.4301
  • Yoke - sheet metal construction (DN 350-600): Fabricated steel with double zinc coating
  • Stem: Stainless steel 1.4021
  • Stem nut: Brass

REMO-System

Product features and benefits
  • Specially shaped horizontal sealing with double quad ring profile and integrated PTFE sliding rails for reducing operation forces
  • Horizontal and axial guiding of the knife on flexible plastic sliding rails
  • With AUMA spur gear GST for connecting to REMO system
Material
  • Yoke and sheet metal covering: Stainless steel 1.4301
  • Stem: Stainless steel 1.4021

ROTAG® - System

Product features and benefits
  • Specially shaped horizontal sealing with double quad ring profile and integrated PTFE sliding rails for reducing operation forces
  • Horizontal and axial guiding of the knife on flexible PTFE sliding rails
  • With AUMA spur gear GST for connecting to ROTAG system
Material
  • Yoke and sheet metal covering: Stainless steel 1.4301
  • Stem: Stainless steel 1.4021
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