【產(chǎn)品用途】
鍛鋼截止閥是一種常用的截?cái)嚅y，主要用來(lái)接通或截?cái)喙苈分械慕橘|(zhì)，一般不用于調(diào)節(jié)流量。截止閥適用的壓力、溫度范圍很大，本閥適用于小口徑的管道，密封面不易磨損、擦傷，密封性能好，啟閉時(shí)閥瓣行程小，啟閉時(shí)間較短，閥門高度較小。
【執(zhí)行標(biāo)準(zhǔn)】
設(shè)計(jì)制造：GB12224?GB/T12228?BG/T12235
結(jié)構(gòu)長(zhǎng)度：JB/T96-95
法蘭尺寸：JB/T82.1~82.4-94
檢驗(yàn)和試驗(yàn)：GB/T13927
【性能參數(shù)】
試驗(yàn)項(xiàng)目（PN） | 1.6 | 2.4 | 4.0 | 6.4 | 10.0 | 16.0 |
強(qiáng)度試驗(yàn) | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 24.0 |
密封試驗(yàn) | 1.76 | 2.75 | 4.4 | 7.04 | 11.0 | 17.6 |
氣密封試驗(yàn) | 0.6 | |||||
適用溫度 | ≤425℃ | |||||
適用介質(zhì) | 水、油品、蒸氣 | |||||
【結(jié)構(gòu)圖片】
主要外形和連接尺寸
| 公稱通徑 | 主要外形尺寸和連接尺寸 | |||||||
| L | d | S | L1 | T | L2 | H | D0 | |
| J41H-16???CJ41H-25???J41H-40???J11H-16???CJ11H-25???J11H-40???J61H-16C???J61H-25???J61H-40 | ||||||||
| 15 | 90 | 13 | 22.5 | 10 | 1/2 | 15 | 159 | 98 |
| 20 | 100 | 18 | 28.5 | 11 | 3/4 | 17 | 190 | 112 |
| 25 | 120 | 23 | 34.5 | 12 | 1 | 19 | 208 | 126 |
| 32 | 140 | 29 | 43 | 14 | 1? | 21 | 216 | 166 |
| 40 | 170 | 36 | 49 | 15 | 1? | 21 | 247 | 188 |
| 50 | 200 | 46 | 61 | 16 | 2 | 25 | 290 | 220 |
| J41H-64???J11H-64???J61H-64 | ||||||||
| 15 | 90 | 13 | 22.5 | 10 | 1/2 | 15 | 159 | 98 |
| 20 | 100 | 18 | 28.5 | 11 | 3/4 | 17 | 190 | 112 |
| 25 | 120 | 23 | 34.5 | 12 | 1 | 19 | 208 | 126 |
| 32 | 140 | 29 | 43 | 14 | 1? | 21 | 216 | 166 |
| 40 | 170 | 36 | 49 | 15 | 1? | 21 | 258 | 188 |
| 50 | 210 | 46 | 61 | 16 | 2 | 25 | 405 | 22 |
| J41H-100???J11H-100???J61H-100 | ||||||||
| 15 | 90 | 13 | 22.5 | 10 | 1/2 | 15 | 159 | 98 |
| 20 | 100 | 18 | 28.5 | 11 | 3/4 | 17 | 190 | 112 |
| 25 | 120 | 23 | 34.5 | 12 | 1 | 19 | 208 | 126 |
| 32 | 140 | 29 | 43 | 14 | 1? | 21 | 216 | 166 |
| 40 | 170 | 26 | 49 | 15 | 1? | 21 | 258 | 188 |
| 50 | 210 | 46 | 61 | 16 | 2 | 25 | 405 | 220 |
| J41H-160???J11H-160??J61H-160 | ||||||||
| 15 | 90 | 13 | 22.5 | 10 | 1/2 | 15 | 159 | 98 |
| 20 | 100 | 18 | 28.5 | 11 | 3/4 | 17 | 190 | 112 |
| 25 | 120 | 23 | 34.5 | 12 | 1 | 19 | 208 | 126 |
| 32 | 140 | 29 | 43 | 14 | 1? | 21 | 216 | 188 |
| 40 | 170 | 36 | 49 | 15 | 1? | 21 | 258 | 220 |
| 50 | 210 | 46 | 61 | 16 | 2 | 25 | 405 | 220 |