世伟洛克阀门，swagelok通用标准型阀门

ms-02-230frptkodezhjaruesen
调压阀
减压型; 背压型; 气体钢瓶切换型; 汽化型. 

ms-02-430jaen
pressure regulators rhps series
pressure-reducing models; back-pressure models; spring-, dome-, and air-loaded; 1/4 to 4 in. end connections; working pressures up to 10 150 psig (700 bar); temperatures from –4 to 176°f (–20 to 80°c)

名称：通用，标准型 减压，气室加载

通用，标准型   减压，气室加载

ms-02-230frptkodezhjaruesen
调压阀
减压型; 背压型; 气体钢瓶切换型; 汽化型. 

ms-02-430jaen
pressure regulators rhps series
pressure-reducing models; back-pressure models; spring-, dome-, and air-loaded; 1/4 to 4 in. end connections; working pressures up to 10 150 psig (700 bar); temperatures from –4 to 176°f (–20 to 80°c)