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.

英國CHALWYN公司是知名的安全部件制造商，產品主要用于發動機上，使之適用于危險地區的設備操作，不受可燃易爆氣體、蒸汽或粉塵的影響，也可用于需要特殊安全防范的操作環境之中。
Chalwyn公司在1972年推出了公司首批CHALWYN D系列閥門，并在市場上取得了重大成功。目前，CHALWYN公司推出的柴油發動機安全產品主要包括自動過速空氣、燃料關閉閥、空壓件、油壓件、手動及電動進氣關閉閥、防爆交流發電機、排氣火花熄滅器、發動機全監控及自動熄火系統等。
 Chalwyn公司通過全球經銷商網絡，向廣大客戶提供銷售及技術支持等服務。