MF SEries

The MF is a universally applicable knife gate valve with a central flange design that will just about satisfy the customer's every need. As well as featuring the integrated Wey sealing system, the robust, modular design of the series is particularly advantageous. Choose from a variety of materials, add-on parts, and actuator options across the entire nominal size range. A true all-rounder.



2 – 80 inch
Nominal sizes
Cast iron, Ductile iron
0 – 150 psi
Pressure rating
PN6, PN10, PN16, ANSI Class 150, BS10-D, BS10-E, AS2129-D, AS2129-E
Flange drilling
EN 558 series 20
Face to face dimension

Application areas

Biogas plants
e.g. Food waste, Household waste, Wood chips, Manure, Substrates, Other renewable resources ...

e.g. Coal dust, Mining slurry, Sinter water, Tailings, Lime powder ...

Chemical and petrochemical industries
e.g. Viscous pastes, Granulates, Bitumen/tar ...

e.g. Waste water, Rainwater, Industrial water, Mixed water ...

Coal fired power stations
e.g. Coal dust, Coal slurry, Lime powder, Flue ash ...

Pulp and paper industry
e.g. Pulp Stock (Low to high density), Liquor (black, white, green) ...

Waste water treatment plants
e.g. Waste water, Raw water, Sludge, Digested sludge, Floating sludge ...

Water treatment
e.g. Seawater ...

Cement industry
e.g. Cement, Lime powder ...


Case Study – Thermal lake water system Lausanne

Knife gate valve MF in full bore design for the main inlet of Switzerland's largest lake water heat pump



Body 2 Comp. Epoxy-Polyamide Resin Primer, 2 Comp. Polyurethane-Enamel-Top Coat
Topwork 2 Comp. Epoxy-Polyamide Resin Primer, 2 Comp. Polyurethane-Enamel-Top Coat




Bevel gear

Bevel gear

Pneumatic cylinder

Pneumatic cylinder

Hydraulic cylinder

Hydraulic cylinder

Electric actuator knife gates & control gates

Electric actuator


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