CCS grants 1st approval for ammonia and methanol valves

China Classification Society (CCS) has granted the first approval in principle (AiP) for ammonia and methanol valves in South Korea.
As explained, the AiP certificate was issued by the Busan Branch of CCS. The approval was granted for engineering firm PK Valve & Engineering from South Korea.
General Manager Tao Xin said that the first AiP certificate of CCS in South Korea is the finishing touch of previous successful cooperation between CCS and PK Valve & Engineering, and also a new starting point for future close cooperation between the two sides.
PK Valve & Engineering’s president Jeon Youngchan also welcomed the cooperation and expressed greater expectations for future cooperation.
Meanwhile, the South Korean company has recently completed a verification demonstration of liquefied hydrogen valves. The demonstration was witnessed by 11 hydrogen-related companies, including Hyundai Rotem, Korea Gas Safety Corporation, SK Eco Engineering, Samsung Engineering, S-Tank Engineering, H2KOREA, Bumhan Industries and others.
The liquefied hydrogen valve developed after more than two years of research is a cryogenic valve used in a liquefied hydrogen line at -253℃.
In this demonstration, Emergency Shut Down LH2 Globe Valve was shell tested at 29 bar, operation, and seat tested at 12 and 15 bar respectively with helium and got zero leakage and well operability.

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