valve cage washer 阀柜垫圈
cage control valve 套筒调节阀
cage positioned ball valve 笼式定位球调节阀
cage type control valve 套筒调节阀
cage type valve 笼形阀
gas valve valve seat 气门-门座
valve-valve base 气门-气门座
Valve-valve seat 气门-气门座
auxiliary valve relief valve setting 辅助阀安全阀调定
bell- shaped valve cup valve 钟形阀; 杯形阀
blade control valve relief valve 铲刀控制阀安全阀
brake valve relief valve 制动阀安全阀
butterfly valve + non-return intake valve 蝶阀+止回阀式进气阀
clack valve clap valve 蝶形阀
cooling valve charge relief valve pressure test 冷却阀加注安全阀压力试验
cup valve bell shaped valve 杯形阀; 钟形阀
cup valve(bell-shaped valve) 钟形阀; 杯形阀
dead-weight safety valve (weighted valve) 重码安全阀
drum selector valve protection relief valve pressure test 卷筒选择器阀防护安全阀压力试验