英国斯派莎克spiraxsarco减压阀
Direct acting and pilot-operated control valves can be used to control either upstreamordownstream pressures. Pressure maintaining valves (and surplussing valves) sense upstream pressure, while pressure reducing valves sense downstream pressure.
10/13 下一页 上一页 首页 尾页
返回
刷新
WAP首页
网页?/a>
登录
12/23 19:34