執行標準 Administer Standard
種類 Type | 設計與制造 Design And Manufacture | 結構長度 Face to face | 法蘭尺寸 Flange Dimension | 壓力-溫度 Pressure Temperature Lating | 試驗-檢驗 Znspection And Test |
| 旋啟式止回閥 Swing Check Valve | BG12236 | GB12221 | GB9113 JB79 | GB9131 | GB/T13927 JB/T9092 |
| 升降式止回閥 Lift Check Valve | GB12235 |
<壓力試驗MPa Pressure Test
公稱壓力 Nominal Pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
| 強度試驗 Shell Test | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 24.0 |
| 水密封試驗 Water Seal Test | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 | 18.0 |
| 氣密封試驗 Air Seal Test | 0.5-0.7 | |||||
<主要零件材料及性能 Main Part Materials and Property
體、蓋、瓣 Body Cover Disc | 閥桿 Stem | 密封面 Sealing Face | 墊片 Sealing Shim | 密封面 Sealing Face | 工作溫度℃ Working Temperature | 適用介質 Suitable Medium |
| WCB | WCB | 1Cr13 | 增強柔性石墨 1Cr13/柔性石墨 不銹鋼/耐酸石棉 PTFE 齒型墊片 Enhanced Flexiblo Graohite 1Cr13/ Flexiblo Graohite Stainless Steel/Acid- proof Asbestos Tooth profile gasket | 13Cr STL 本體材料 With Body Material PTFE 尼龍 Nylon | ≤425 | 水 蒸汽 油品 Water Steam Oil Googs |
| WC6 | WC6 | ≤540 | ||||
| WC9 | WC9 | ≤570 | ||||
| ZGCr5Mo | ZGCr5Mo | ≤550 | ||||
| ZG1Cr18Ni9Ti | ZG1Cr18NTi | 1Cr18Ni9Ti | ≤200 | 硝酸類Nitric Acid | ||
| ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti | ≤200 | 硝酸類Nitric Acid |
