J21W/J23W外螺紋截止閥主要零件材料
零件名稱(chēng)Part name | 閥桿、閥蓋Stem.Bonnet | 閥桿、閥瓣Stem,Disc | 填料Packing |
J21/3w-16p | 鉻鎳不銹鋼 | 鉻鎳不銹鋼 | 聚四氧乙稀、柔性石墨 |
J21/3w-160、J21/3w-40 | 優(yōu)質(zhì)碳鋼 | 鉻不銹鋼 |
外螺紋截止閥
型號(hào)Type | 公稱(chēng)壓力(MPa)Nominal | 試驗(yàn)壓力PS(MPs) | 工作壓力(MPa)Working | 工作溫度(℃)Working | 適用介質(zhì)Applicable | ||
殼體Shell | 密封(液)Seal | 密封(氣)Seal | |||||
J213w-16 | 16 | 2.4 | 1.76 | 0.6 | 16 | p≤200℃ | 液化石油氣水、油品等 |
J21/3w-40p | 4.0 | 6.0 | 4.4 | 0.6 | 4.0 | ||
J21/3w-160 | 16.0 | 24.0 | 17.6 | 0.6 | 16.0 | C≤425℃ | |
J21/3w-320p | 32.0 | 48.0 | 35.2 | 0.6 | 32.0 |