Chalwyn Limited
Brand Name Products
Diesel Engine Air Intake Closure Valves

Designed to stop an engine under emergency conditions where the normal fuel pump governor or stop control fails to function correctly.
Automatic Fuel Shut Down Valves

Used in conjuction with air intake closure valves to automatically shut down the engine diesel supply should overspeeding occur.
Exhaust Spark Arrestors

A basic but key safety feature for both hazardous and lower risk applications such as forestry or agriculture where a stray spark from a diesel engine exhaust system may cause a fire.
Flameproof Alternators

Standard automotive type engine mounted alternators are a potential ignition source and are therefore not permitted to be used in areas classified as hazardous.
Engine Monitoring & Automatic Shutdown Systems

Designed to be installed as an integral part of a full diesel engine flameproof installation meeting the latest UK and European standards for hazardous area operation.
Chalwyn »
- Cam Switches
- Gyp Charging Valves
- Gyp Valves
- High Pressure Pipe Test Plugs
- Hurricane Lanterns
- Hydroplugs
- Miniature Relief Valves
- Non Return valves
- Rotary Timing Controls
- Speed Change Variable Speed Pulleys
- Variable Speed Pulleys
- Voith Fluid Couplings
Chalwyn Diesel Engine Protection »
- Automatic Fuel Shut Down Valves
- Diesel Engine Air Intake Closure Valves
- Diesel Engine Condition Monitoring
- Diesel Engine Protection
- Diesel Engine Protection Systems
- Engine Monitoring & Automatic Shutdown Valves
- Exhaust Spark Arrestors
- Flameproof Alternators
- Fuel Check Valves
- Fuel Shut Off Valves
- Fuel Shutoff Valves
- Gas Shut Off Valve
- Gas Shutoff Valve
- Intake Valve
- Safety Shutoff Valve
- Shut Off Valve
- Shutoff Valves
- Spark Arrestors