MH Series

The MH series is designed for extremely high pressures in particularly demanding applications. The original Wey design ensures optimal sealing in the seat and is 100% bubble-tight, regardless of pressure, medium, or on/off cycle.

MH

CHARACTERISTICS MH Series

4 – 16 inch
Nominal sizes
Stainless steel, Ductile iron, Special material
Material
0 – 365 psi
Pressure rating
PN25, ANSI Class 150, ANSI Class 300
Flange drilling
EN 558 series 16
Face to face dimension

Application areas

Mining
e.g. Mining slurry, Sinter water, Tailings, , Acids and phosphates ...

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

Infrastructure
e.g. Waste water ...

Coal fired power stations
e.g. Coal slurry ...

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

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

MATERIAL OF CONSTRUCTION

Part Cast iron Stainless steel
Body EN-GJS-400-15 1.4408
Gate 1.4301 1.4404*
Seal NBR NBR
Topwork Carbon steel Carbon steel
Stem / Piston rod 1.4104 1.4104

Other materials upon request

*hard chromed

CORROSION PROTECTION

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

ACTUATORS

Handwheel

Handwheel

Bevel gear

Bevel gear

Pneumatic cylinder

Pneumatic cylinder

Hydraulic cylinder

Hydraulic cylinder

Electric actuator knife gates & control gates

Electric actuator

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