Changyi News, January 11, 2018

Recently our company’s pilot safety valve, spring-loaded pressure relief valve (A1, A2 and B Class) successfully pass Special Equipment Type Test based on the requirement of <safety valve safety technical supervision regulation>, and successfully obtained Special Equipment Type Test Certificate (safety valve).

In November of 2017, four safety valves successfully passed type test in Special Equipment Inspection and Test Institute. The diameter of safety valves (pilot type and spring type) for test increased to DN300 and their set-pressure increased to Ps32.0MPa.These valves can be widely used in petroleum, natural gas, chemical industry and some special conditions.

Following the type test in 2014 , our products have been widely used in West-East Gas Transmission Project, Central Asia Project, Sichuan to Gas East Transmission Project, Sino-Myanmar Pipeline Project, Tarim Gas Field, Changbei Gas Field developed by Dutch Shell, Ordos Gas Field developed by TOTAL, High Sulfur Gas Field in Northeast Sichuan developed by Chevron, Longgang Gas Field, Puguang High Sulfur Gas Field developed by Sinopec, Yuanba Gas Field, Sino-Austrian Cooperation Guangdong LNG and other national trump project. It proves our safety valve's leading position in technology once again. At the same time, as the leader of special valve, our company actively studies new technology, and provides high quality safety valve supporting solution for users.