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(yùn)動。閥桿的運(yùn)動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。
執(zhí)行標(biāo)準(zhǔn) Administer Standard
設(shè)計(jì)與制造 Design and Manufacture  | 結(jié)構(gòu)長度 Face To Face  | 法蘭尺寸 Flange Dimension  | 壓力-溫度 Pressure Temperature Lating  | 試驗(yàn)-檢驗(yàn) Inspection And Test  | 
GB122235  | GB12221  | GB9113 JB79  | GB9131  | GB/T13927 JB/T9092   | 
公稱壓力NominalPressure  | 1.6  | 2.5  | 4.0  | 6.4  | 10.0  | 16.0  | 
強(qiáng)度試驗(yàn) Shell Test  | 2.4  | 3.8  | 6.0  | 9.6  | 15.0  | 24.0  | 
水密封試驗(yàn) Water Seal Test  | 1.8  | 2.8  | 4.4  | 7.0  | 11.0  | 18.0  | 
上密封試驗(yàn)Backseat Test  | 1.8  | 2.8  | 4.4  | 7.0  | 11.0  | 18.0  | 
氣密封試驗(yàn) Air Seal Test  | 0.5-0.7  | |||||
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(zhì)Suitable Medium  | |
WCB  | 2Cr13  | 13Cr  STL 木體材料 With Body Material 尼龍 Nylon  | 增強(qiáng)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(qiáng)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  | 
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  | 
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 16C 16P 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  | 
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(huán)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  |