| 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
 16C16P
 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 |  規格 主要尺寸和重量 Size Main Dimensions and Weight (mm kg)                                                                          | 2.5MPa | DN | L | D | D1 | D2 | b | n-φd | H | Do | 重量 Weight |                          | 凸面法蘭RF
 J41H
 J41Y
 J41W
 J41F
 J41N
 16C16P
 16R
 16I
 | 10 | 130 | 90 | 60 | 40 | 16 | 4-14 | 198 | 120 | 4.9 |                          | 15 | 130 | 95 | 65 | 45 | 16 | 4-14 | 218 | 120 | 5.3 |                          | 20 | 150 | 105 | 75 | 55 | 16 | 4-14 | 258 | 140 | 7.0 |                          | 25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 275 | 160 | 7.4 |                          | 32 | 180 | 135 | 100 | 78 | 18 | 4-18 | 280 | 180 | 8.3 |                          | 40 | 200 | 145 | 110 | 85 | 18 | 4-18 | 330 | 200 | 12.6 |                          | 50 | 230 | 160 | 125 | 100 | 20 | 8-18 | 350 | 240 | 16 |                          | 65 | 290 | 180 | 145 | 120 | 22 | 8-18 | 400 | 280 | 25 |                          | 80 | 310 | 195 | 160 | 135 | 22 | 8-23 | 355 | 280 | 30 |                          | 100 | 350 | 230 | 190 | 160 | 24 | 8-25 | 415 | 320 | 34.8 |                          | 125 | 400 | 270 | 220 | 188 | 28 | 8-25 | 460 | 360 | 89.5 |                          | 150 | 480 | 300 | 250 | 218 | 30 | 12-25 | 510 | 400 | 99 |                          | 200 | 600 | 360 | 310 | 278 | 34 | 12-25 | 710 | 400 | 181 |                          | 250 | 622 | 425 | 370 | 332 | 36 | 12-30 | 786 | 450 | 445 |                          | 300 | 698 | 485 | 430 | 390 | 40 | 16-30 | 925 | 500 | 651 |  規格 主要尺寸和重量 Size Main Dimensions and Weight (mm kg)                                                                          | 4.0MPa | DN | L | D | D1 | D2 | b | n-φd | H | D0 | 重量Weight |                          | 凹凸法蘭 MFM  J41H J41Y J41W J41F J41N  40 40P 40R 40I  | 20 | 150 | 105 | 75 | 51 | 16 | 4-14 | 275 | 140 | 7 |                          | 25 | 160 | 115 | 85 | 58 | 16 | 4-14 | 285 | 160 | 9 |                          | 32 | 180 | 135 | 100 | 66 | 18 | 4-18 | 302 | 180 | 12 |                          | 40 | 200 | 145 | 110 | 76 | 18 | 4-18 | 355 | 200 | 17 |                          | 50 | 230 | 160 | 125 | 88 | 20 | 4-18 | 373 | 240 | 24 |                          | 65 | 290 | 180 | 145 | 110 | 22 | 8-18 | 408 | 280 | 33 |                          | 80 | 310 | 195 | 160 | 121 | 22 | 8-18 | 436 | 320 | 44 |                          | 100 | 350 | 230 | 190 | 150 | 24 | 8-23 | 480 | 360 | 60 |                          | 125 | 400 | 270 | 220 | 176 | 28 | 8-25 | 588 | 400 | 90 |                          | 150 | 480 | 300 | 250 | 204 | 30 | 8-25 | 611 | 400 | 100 |                          | 200 | 533 | 375 | 320 | 260 | 38 | 12-30 | 720 | 400 | 190 |                          | 6.4MPa | 20 | 190 | 125 | 90 | 51 | 20 | 4-18 | 228 | 160 | 13 |                          | 凹凸法蘭 MFM  J41H J41Y J41W J41F J41N  40 40P 40R 40I  | 25 | 210 | 135 | 100 | 58 | 22 | 4-18 | 275 | 180 | 15 |                          | 32 | 230 | 150 | 110 | 66 | 24 | 4-23 | 325 | 200 | 19 |                          | 40 | 260 | 165 | 125 | 76 | 24 | 4-23 | 360 | 240 | 25 |                          | 50 | 300 | 175 | 135 | 88 | 26 | 4-23 | 410 | 280 | 35 |                          | 65 | 340 | 200 | 160 | 110 | 28 | 8-23 | 450 | 320 | 48 |                          | 80 | 380 | 210 | 170 | 121 | 30 | 8-23 | 485 | 360 | 56 |                          | 100 | 430 | 250 | 200 | 150 | 32 | 8-25 | 537 | 400 | 125 |                          | 125 | 500 | 295 | 240 | 176 | 36 | 8-30 | 631 | 400 | 130 |                          | 150 | 550 | 340 | 280 | 204 | 38 | 8-34 | 646 | 450 | 160 |                          | 200 | 650 | 405 | 345 | 260 | 44 | 12-34 | 813 | 500 | 285 |                          | 10.0MPa | 10 | 170 | 100 | 70 | 35 | 20 | 4-14 | 198 | 120 | 6 |                          | 凹凸法蘭 MFM  J41H J41Y J41W J41F J41N  100 100P 100R 100I    | 15 | 170 | 105 | 75 | 40 | 20 | 4-14 | 202 | 140 | 11 |                          | 20 | 190 | 125 | 90 | 51 | 22 | 4-18 | 228 | 160 | 13 |                          | 25 | 210 | 135 | 100 | 58 | 24 | 4-18 | 250 | 180 | 14 |                          | 32 | 230 | 150 | 110 | 66 | 24 | 4-23 | 326 | 220 | 16 |                          | 40 | 260 | 165 | 125 | 76 | 26 | 4-23 | 359 | 240 | 30 |                          | 50 | 300 | 195 | 145 | 88 | 28 | 4-25 | 414 | 280 | 50 |                          | 65 | 340 | 220 | 170 | 110 | 32 | 8-25 | 434 | 320 | 65 |                          | 80 | 380 | 230 | 180 | 121 | 34 | 8-25 | 547 | 400 | 100 |                          | 100 | 430 | 265 | 210 | 150 | 38 | 8-30 | 621 | 450 | 116 |                          | 125 | 500 | 310 | 250 | 176 | 42 | 8-34 | 732 | 450 | 150 |                          | 150 | 550 | 350 | 290 | 204 | 46 | 12-34 | 840 | 500 | 300 |                          | 200 | 650 | 430 | 360 | 260 | 54 | 12-41 | 925 | 550 | 600 |                          | 16.0 | 15 | 170 | 110 | 75 | 40 | 24 | 4-18 | 148 | 140 | 12 |                          | 環槽法蘭 RTJ J41H J41Y J41W  160 160P 160R 160I  | 20 | 190 | 130 | 90 | 51 | 26 | 4-23 | 156 | 160 | 15 |                          | 25 | 210 | 140 | 100 | 58 | 28 | 4-23 | 175 | 180 | 17 |                          | 32 | 230 | 165 | 115 | 66 | 30 | 4-25 | 200 | 200 | 21 |                          | 40 | 260 | 175 | 125 | 76 | 32 | 4-27 | 231 | 240 | 31 |                          | 50 | 300 | 215 | 165 | 88 | 36 | 8-25 | 262 | 250 | 53 |                          | 65 | 340 | 245 | 190 | 110 | 44 | 8-30 | 303 | 320 | 70 |                          | 80 | 380 | 260 | 205 | 121 | 46 | 8-30 | 341 | 400 | 100 |                          | 100 | 430 | 300 | 240 | 150 | 48 | 8-34 | 485 | 450 | 120 |  |