上(shang)海閥(fa)(fa)(fa)(fa)(fa)(fa)盛閥(fa)(fa)(fa)(fa)(fa)(fa)門(men)制(zhi)造有限公司(si)主要生產DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)，可提供(gong)DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)價格，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)說明書(shu)，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)實(shi)物圖，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)結構圖，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)外形尺寸(cun)，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)執行(xing)標準(zhun)，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)工作原理，DH21Y-320P低(di)(di)(di)(di)溫(wen)(wen)(wen)(wen)高(gao)(gao)壓(ya)(ya)(ya)止(zhi)回閥(fa)(fa)(fa)(fa)(fa)(fa)作用(yong)特點。

DH21Y-320P低溫高壓止回閥產品規范
公稱壓力：32.0MPa
公稱通徑：10mm～50mm
適用介質：LO2、LN2、LAr、LNG、LC2H4等
適用溫度：-196～+80℃
連接方式：活套接管
介質流向：由閥瓣下面向上流

DH21Y-320P低溫高壓止回閥主要零部件材料
閥體、閥蓋：不銹鋼
閥瓣：堆焊司太萊合金
密封圈：紫銅