BP66-1A41***N151美国GO高压背压阀GO中国代理进口调压阀选型美国GO背压阀BP66常用型号BP66-1A11Q4N151BP66-1A11QJO164BP66_1A11CEO1.51BP6-1A51G0K111ABP3-1A11I5G111BP3-1A61I5J111BP3-1A11C5J111ABP3-1A11I5J111BP3-1A11Q7K11LBP3-1A61I5G111BP3-2A11B5I114ABP3-1A11B7J111BP66主要参数Cv值:0.2使用温度:-40°to500°F(-40°to+260°C)控制压力范围是10,25,50,100,250,500,750和1000PSIG极限压力是2倍的***大的工作压力***压力是4倍的***大的工作压力仅重1.9磅(0.86公斤))