标准编号 标准中文名称 标准英文名称
sy/t5149-1997石油钻采设备用气动元件 快速排气阀试验方法
gb/t18693-2002农业灌溉设备浮子式进排气阀 agricultural irrigation equipment--float type air release valves
nf e48-435-1998液压传动.尺寸02、03和05的四端口模式排气阀和四端口方向控制阀.夹紧尺寸 (hydraulic fluid power. four-port modular stack valves and four-port directional control valves, sizes 02, 03 and 05. clamping dimensions.)
bs 6494-4-1989液压阀的安装面.第4部分:03和05规格的四孔组件排气阀、模数组阀和方向控制阀夹紧尺寸规范 (hydraulic fluid power valve mounting surfaces - specification for clamping dimensions of four-part, size 03 and 05, modular stack valves and directional control valves)
din 2814-1978水压装置.排气阀.排气螺栓.排水螺栓.公称压力100至630 (pressure water installation; air discharge valve, air discharge screw, water discharge screw, nomial pressure 100 up to 630)
din 3848-1981暖气管件.pn12.5进气排气阀.尺寸.材料 (valves for heating installations; filling and evacuating taps pn 12.5; dimensions, materials)
