J45F46襯氟直接截止閥介紹:
J45F46襯氟直接截止閥具有結(jié)構(gòu)緊湊、啟閉靈活、耐腐蝕性能強,行程短(一般為公稱通經(jīng)1/4)等優(yōu)點。被廣泛應用在石油、化工等管路系統(tǒng)中做截斷介質(zhì)用,但塑料襯里的截止閥嚴禁用做流量調(diào)節(jié),以免節(jié)流口處產(chǎn)生的高速介質(zhì)流沖蝕破壞密封面。閥瓣與閥桿設計為一體結(jié)構(gòu),用以防止由于管路壓力波動造成內(nèi)件沖出閥體的可能性,結(jié)構(gòu)緊湊,使用安全。
J45F46襯氟直接截止閥設計規(guī)范
遵循GB/T 12233,GB/T12235,ANSI B 16.34標準
手動襯氟直流截止閥、蝸輪轉(zhuǎn)動襯氟直流截止閥、氣動(常開或常閉)襯氟直流截止閥、電動襯氟直流截止閥
J45F46襯氟直接截止閥結(jié)構(gòu)尺寸:
公稱通經(jīng) | L | D | D1 | D2 | f | b | Z-φd | |
DN(mm) | NPS(inch) | PN1.0MPa | ||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 4-φ18 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 22 | 8-φ18 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 24 | 8-φ18 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 24 | 8-φ23 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 26 | 8-φ23 |
250 | 10 | 325 | 390 | 350 | 320 | 3 | 28 | 12-φ23 |
300 | 12 | 375 | 440 | 400 | 368 | 4 | 28 | 12-φ23 |
PN1.6MPa | ||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 14 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |
65 | 21/2 | 145 | 180 | 145 | 120 | 3 | 20 | 4-φ18 |
80 | 3 | 155 | 195 | 160 | 135 | 3 | 22 | 8-φ18 |
100 | 4 | 175 | 215 | 180 | 155 | 3 | 24 | 8-φ18 |
125 | 5 | 200 | 245 | 210 | 185 | 3 | 26 | 8-φ18 |
150 | 6 | 225 | 280 | 240 | 210 | 3 | 28 | 8-φ23 |
200 | 8 | 275 | 335 | 295 | 265 | 3 | 30 | 8-φ23 |
PN2.5MPa | ||||||||
15 | 1/2 | 90 | 95 | 65 | 45 | 2 | 16 | 4-φ14 |
20 | 3/4 | 95 | 105 | 75 | 55 | 2 | 16 | 4-φ14 |
25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-φ14 |
32 | 11/4 | 105 | 135 | 100 | 78 | 2 | 18 | 4-φ18 |
40 | 11/2 | 115 | 145 | 110 | 85 | 3 | 18 | 4-φ18 |
50 | 2 | 125 | 160 | 125 | 100 | 3 | 20 | 4-φ18 |