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Home > Valves & Actuators > VAG > Industrial Valves > VAG MONO Knife Gate Valve

VAG MONO Knife Gate Valve

Compact, fully‑flanged knife gate valve with a solid monoblock body. Features a fully chambered knife and a maintenance‑free shaft seal with built-in scrapers to prolong lifespan and prevent clogging—ideal for wastewater and industrial pipelines.

DN (Size Range):

DN 50 – 300

Pressure Nominal (PN):

PN 10

Face-to-Face Length:

EN 558 Basic Series 20 (DIN 3202 K1)

Chambered Knife:

Fully enclosed to prevent contamination ingress

No Lateral Seal:

Eliminates friction from side seals, ensuring smooth oper

Draining Feature:

Includes drain plug (G ¼″) for maintenance

Flush/Drain Connection:

Equipped with G ¼″ connection to avoid pipeline clogging

Low Torque Actuation:

Efficient operation without requiring a gearbox

Installation Notes:

Preferred upright orientation (10 to 2 o’clock) with flow direction

Hand Lever Version – operated via lever with default internal shaft

Optional External Shaft – configurable with lever and weight (on request)

Body: Ductile Iron EN‑GJS‑400‑15 (GGG‑40)

Knife & Internals: Knife: Stainless Steel 1.4301; Shaft components: Stainless Steel A2; O-Ring: NBR; Counter-flange: Steel S235 JRG2

Coating: Epoxy applied internally and externally for corrosion protection

Wastewater treatment networks

Industrial and dam-related water systems

High-contamination lines where robust sealing is crucial

Suitable for wastewater, raw water, and water with solids content; resistant to contamination from suspended solids

Cavitation-free regulation

Compact installation in valve chambers

Manual and electric actuation flexibility

Long service life due to wear-resistant seat

Minimal operating torque through balanced pressure compensation

Weight-assisted lever for manual operation

Protective guards or actuator mounting bases (available upon request)

Documentation

Complete In-House Manufacturing Control

From forging and casting to machining, assembly, and testing — every step is managed under one roof to ensure consistent quality, faster lead times, and zero compromise.

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