J41H法蘭高壓截止閥
截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運動。閥桿的運動形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉桿式（手輪與閥桿一起旋轉升降，螺母設在閥體上）。截止閥只適用于全開和全關，不允許作調節和節流。
執行標準 Administer Standard
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 Inspection And Test |
GB122235 | GB12221 | GB9113 JB79 | GB9131 | GB/T13927 JB/T9092 |
壓力試驗 Pressure Test
公稱壓力NominalPressure | 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 |
上密封試驗Backseat 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、板 Body Cover Disc | 閥桿 Stem | 密封面 Sealing Face | 墊片 Sealing Shim | 填料 Packing | 工作溫度℃ Working Temperature | 適用介質Suitable Medium | |
WCB | 2Cr13 | 13Cr STL 木體材料 With Body Material 尼龍 Nylon | 增強柔性石墨 Enhanced Flexible Graphite 13Cr/柔性石墨 1Cr13/Flexible Graphite 08軟鋼 08 Soft Steal 0Cr18Ni9Ti 0Cr17Ni12Mo2Ti XD550F(T) PTFE | 柔性石墨 增強柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE | ≤425 | 水 蒸汽 油品 Water Steam Petroleum Ptoducts | |
WC1 | 38CrMoAl 25Cr2MoV | ≤450 | |||||
WC6 | ≤540 | ||||||
WC9 | ≤570 | ||||||
C5 C12 | ≤540 | ||||||
ZGCr5Mo | ≤200 | 硝酸類Nitric acid | |||||
ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | ||||||
≤200 | 醋酸類Acetic acid | ||||||
ZG1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti |
規格 主要尺寸和重量 Size Main Dimensions and Weight (mm kg)
1.6MPa | DN | L | D | D1 | D2 | b | n-φd | H | Do | 重量 Weight |
凸面 法蘭 RF J41H J41Y J41W J41F J41N 16C 16P 16R 16I | 10 | 130 | 90 | 60 | 40 | 14 | 4-14 | 198 | 120 | 4.9 |
15 | 130 | 95 | 65 | 45 | 14 | 4-14 | 218 | 120 | 5.3 | |
20 | 150 | 105 | 75 | 55 | 14 | 4-14 | 258 | 140 | 7.0 | |
25 | 160 | 115 | 85 | 65 | 14 | 4-14 | 275 | 160 | 7.4 | |
32 | 180 | 135 | 100 | 78 | 16 | 4-18 | 280 | 180 | 8.3 | |
40 | 200 | 145 | 110 | 85 | 16 | 4-18 | 330 | 200 | 12.6 | |
50 | 230 | 160 | 125 | 100 | 16 | 4-18 | 350 | 240 | 14 | |
65 | 290 | 180 | 145 | 120 | 18 | 4-18 | 400 | 280 | 22.7 | |
80 | 310 | 195 | 160 | 135 | 20 | 8-18 | 355 | 280 | 29 | |
100 | 350 | 215 | 180 | 155 | 20 | 8-18 | 415 | 320 | 32.8 | |
125 | 400 | 245 | 210 | 185 | 22 | 8-18 | 460 | 360 | 79.5 | |
150 | 480 | 280 | 240 | 210 | 24 | 8-23 | 510 | 400 | 93 | |
200 | 600 | 335 | 295 | 265 | 26 | 12-23 | 710 | 400 | 179 | |
250 | 622 | 405 | 355 | 320 | 30 | 12-25 | 786 | 450 | 441 | |
300 | 698 | 460 | 410 | 375 | 30 | 12-25 | 925 | 500 | 646 |
