空程耦合及油压缓闭装置在斜座式止回阀中的应用

Application of idle-stroke coupling and oil pressure slow closure device in sloping-seat check valve

分析了普通悬启式止回阀在水系统中存在的问题,总结了新型多功能空程耦合斜座式止回阀的特性以及不同工况下的作用,提出了空程耦合止回阀及油压缓闭装置在设备调整与系统运行中应注意的问题和建议。根据实际使用效果,总结了空程耦合斜座式止回阀检修、调整的关键点以及推广应用的必要性。

The problems of common suspended-start check valve existing in water system were analyzed.The characteristics of novel multi-functional idle-stroke coupling sloping-seat check valve and its action in different conditions were summarized.Some problems needing attention and suggestions of idle-stroke coupling check valve and oil pressure slow closure device in device adjustment and system operation were put forward.Based on the practical application effects,the key points in overhaul and adjustment of idle-stroke coupling sloping-seat check valve were summarized,and the necessity of their popularization was discussed.