Chalwyn - Diesel engine protection devices

• Air Intake and Fuel Shutdown Valves and Systems
• Flameproof Alternators
• Spark Arrestors

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Designed to stop an engine under emergency conditions where the normal fuel pump governor or stop control fails to function correctly, possibly due to the presence of combustible gas or vapour in the engine air intake. A range of sizes, styles and methods of actuation are available.

DOWNLOADS:
MVX - INTEGRAL MANUAL CLOSURE AND RESET LEVER TYPES
PVX - PNEUMATICALLY ACTUATED
SVX - SOLENOID ACTUATED
Z - AIR INTAKE SHUT DOWN Z TYPE

Simple cost effective automatic overspeed protection valves requiring no external power or signals. Designed for incorporation into the engine air intake hose. Type D valves are available for intake pipe diameters up to about 330mm. Optional features include manual shutdown and integral air cleaners on some models

DOWNLOADS:
TYPE D VALVES - AUTO/MANUAL
TYPE D VALVES - BENDIX
TYPE D VALVES - SPINDLE
TYPE D VALVES - BENDIX WITH AIR CLEANER

Used in conjuction with air intake closure valves to automatically shut down the engine diesel supply should overspeeding occur. Operates in conjunction with Chalwyn 'D', 'X' or 'Z' Valves to automatically close down the engine diesel supply should engine overspeeding occur. Manual reset is necessary after an automatic shut down as required by EN 1834.1 : 2000.

DOWNLOAD AUTOMATIC FUEL SHUT DOWN VALVE

Standard automotive type engine mounted alternators are a potential ignition source and are therefore not permitted to be used in areas classified as hazardous. To overcome this Chalwyn have introduced a range of flameproof alternators (externally excited and self-exciting) specifically for direct mounting on diesel engines.
Two types, both designed as belt driven engine mounted units and fully approved as category 2 (zone 1), group IIB, T4 apparatus.

DOWNLOAD FLAME PROOF ALTERNATORS