CHALWYN are leading manufacturers of safety products for diesel engines which are required to operate either in hazardous areas where combustible gas, vapours or dust may exist, or in situations demanding special safety precautions.

Following the introduction of the original and very successful CHALWYN D VALVE in 1972, the CHALWYN diesel engine safety product range now includes automatic over speed air and fuel shut off valves, air pressure, oil pressure, manual and electrically operated air intake shut down (shut off) valves, flameproof alternators, exhaust spark arrestors and complete engine monitoring and automatic shut down systems.

英国CHALWYN公司是知名的安全部件制造商，产品主要用于发动机上，使之适用于危险地区的设备操作，不受可燃易爆气体、蒸汽或粉尘的影响，也可用于需要特殊安全防范的操作环境之中。
Chalwyn公司在1972年推出了公司首批CHALWYN D系列阀门，并在市场上取得了重大成功。目前，CHALWYN公司推出的柴油发动机安全产品主要包括自动过速空气、燃料关闭阀、空压件、油压件、手动及电动进气关闭阀、防爆交流发电机、排气火花熄灭器、发动机全监控及自动熄火系统等。
 Chalwyn公司通过全球经销商网络，向广大客户提供销售及技术支持等服务。