diaphragm valve spring seat[铁路] 膜片阀弹簧座
valve-seat refacing气门座磨光
valve-seat inserter气门座镶装机
valve-seat contact气门座接触面
valve spring seat pin气门弹簧座销
valve-seat cutter气门座铣刀
ventilator valve spring seat通风阀簧座
butterfly valve valve seat蝶阀阀座
Safety valve spring seat安全阀弹簧座
So it is necessary to modify the conventional strength checking formulas of valve seat and valve guard.
传统的阀座及升程限制器强度校核公式有必要进行修正。
参考来源 - 往复式压缩机网状阀阀座与升程限制器强度研究及应用