精品文献
ddcv双瓣止回阀
双瓣止回阀
Retainerless Design for Fugitive Emission Control Class 150 – API 10,000 Sizes 2" – 72" (50 – 3600mm) alvesHigh Performance Check Valves V-Series a subsidiary of Velan Inc. 2 Velan-Proquip Inc. is a world class manufacturer of wafer check valves & line blinds. The company, founded in 1955 and acquired by Velan Inc. in 1997, has a 65,000 sq. ft. plant located in Oakville, Ontario. This facility
无外漏对夹双瓣止回阀
无外漏对夹双瓣止回阀
介绍了对夹双瓣止回阀的结构特点、工作原理和产品使用工况(该阀已获国家实用新型专利,专利号:ZL201320061509.8)。
