Mechanically operated diesel engine air intake closure valves based on the standard Chalwyn slimfit 3”, 5” and 8” butterfly valves with variants for both hazardous and non-hazardous areas. Available in basic flange mounted for or supplied fitted with hose adapters or an integral flame trap housing.

Body and disc manufactured in corrosion resistant hard anodised aluminium with PTFE coating.

These are available with either valve mounted stop buttons or cable operated stop control.

MVX-300, MVX-500 & MVX-800
Air pressure must be applied to these PVX valves to open to the engine run position and needs to be maintained between 4 and 8 bar to hold the intake valve fully open whilst the engine runs.

MVX-301, MVX-501 & MVX-801
Valve mounted stop button

MVX-302, MVX-502 & MVX-802
Cable mounted push stop button
Cable is side entry to the valve

MVX-303, MVX-503 & MVX-803
Cable mounted pull type handle
Cable is top entry to the valve