性能規(guī)范
公稱壓力 | PN | MPa | ||||||
強度試驗 | 1.5×PN | |||||||
密封試驗 | 1.1×PN | |||||||
氣密封試驗 | 0.6xPN | |||||||
-196℃~600℃ | ||||||||
主要零部件材質
序號 | 名稱 | 材 質 | ||||||
1 | 閥體 | GS-C25、1.4301、1.4401 | ||||||
2 | 過濾網(wǎng) | 1.4301、1.4401 | ||||||
3 | 金屬墊 | 石棉+不銹鋼 | ||||||
4 | 閥蓋 | GS-C25、1.4301、1.4401 | ||||||
5 | 六角螺母 | ASTMA194-2H、A194-8 | ||||||
6 | 雙頭螺栓 | ASTM A193-B7、A193-B8 | ||||||
過濾網(wǎng)目數(shù)表
水介質 | 20-40 | |||||||
氣介質 | 40-100 | |||||||
油介質 | 10-120 | |||||||
口 徑 DN | 主要連接尺寸 | ||||||||
總長(L) | 外圓(D) | 中心(D1)水介(D2)法蘭厚(b)水介厚(0n- φd | 中心高(H) | ||||||
PN 16 | |||||||||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-φ14 | 85 | |
20 | 150 | 105 | 75 | 58 | 18 | 2 | 4-φ14 | 95 | |
25 | 160 | 85 | 68 | 18 | 2 | 4-φ14 | 110 | ||
32 | 180 | 140 | 100 | 78 | 18 | 2 | 4-φ18 | 125 | |
40 | 200 | 150 | 110 | 88 | 18 | 3 | 4-φ18 | 145 | |
50 | 230 | 165 | 125 | 102 | 20 | 4-φ18 | 155 | ||
65 | 290 | 185 | 45 | 122 | 20 | 3 | 4-φ18 | 175 | |
80 | 310 | 200 | 4GO | 138 | 20 | 3 | 8-φ18 | 210 | |
100 | 350 | 220 | 180 | 158 | 20 | 8-φ18 | 230 | ||
125 | 400 | 250 | 210 | 188 | 22 | 3 | 8-φ18 | 270 | |
150 | 480 | 285 | 240 | 212 | 22 | 3 | 8-φ22 | 300 | |
200 | 600 | 340 | 295 | 268 | 24 | 3 | 12-φ22 | 385 | |
250 | 730 | 405 | 355 | 320 | 26 | 3 | 12-φ26 | 535 | |
300 | 850 | 460 | 410 | 378 | 28 | 12-φ26 | 680 | ||
350 | 980 | 520 | 470 | 438 | 30 | 3 | 16-φ22 | 一 | |
PN 25 | |||||||||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-φ14 | 85 | |
20 | 150 | 105 | 75 | 58 | 18 | 2 | 4-φ14 | 95 | |
25 | 160 | 115 | 85 | 68 | 18 | 2 | 4-φ14 | 110 | |
32 | 180 | 140 | 100 | 78 | 18 | 2 | 4-φ18 | 125 | |
40 | 200 | 50 | 110 | 88 | 18 | 3 | 145 | ||
50 | 230 | 165 | 125 | 102 | 20 | 3 | 4-φ18 | 155 | |
65 | 290 | 185 | 145 | 122 | 22 | 3 | 8-φ18 | 175 | |
80 | 310 | 200 | 160 | 138 | 24 | 3 | 8-φ18 | 210 | |
100 | 350 | 235 | 190 | 162 | 24 | 3 | 8-φ22 | 230 | |
125 | 400 | 270 | 220 | 188 | 26 | 8-φ26 | 270 | ||
150 | 480 | 300 | 250 | 218 | 28 | 3 | 8-φ26 | 300 | |
200 | 600 | 360 | 310 | 278 | 30 | 3 | 12-φ26 | 385 | |
250 | 730 | 425 | 370 | 335 | 32 | 3 | 12-φ30 | 535 | |
300 | 850 | 485 | 430 | 395 | 34 | 16-φ30 | 680 | ||
350 | 980 | 555 | 490 | 450 | 38 | 3 | 16-φ33 | ||
PN40 | |||||||||
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-φ14 | 85 | |
20 | 150 | 105 | 75 | 58 | 18 | 4-φ14 | 95 | ||
25 | 160 | 115 | 85 | 68 | 18 | 2 | 4-φ14 | 110 | |
32 | 180 | 40 | 100 | 78 | 18 | 4-φ18 | 125 | ||
40 | 20C | 150 | 110 | 88 | 18 | 3 | 4-φ18 | 145 | |
50 | 230 | 165 | 125 | 102 | 20 | 3 | 4-φ18 | 155 | |
65 | 290 | 185 | 145 | 122 | 22 | 3 | 8-φ18 | 175 | |
80 | 310 | 200 | 160 | 138 | 24 | 3 | 8-φ18 | 210 | |
100 | 350 | 235 | 190 | 162 | 24 | 3 | 8-φ22 | 230 | |
125 | 400 | 270 | 220 | 188 | 26 | 3 | 8-φ26 | 270 | |
150 | 480 | 300 | 250 | 218 | 28 | 3 | 8-φ26 | 300 | |
200 | 600 | 375 | 320 | 285 | 34 | 3 | 12-φ30 | 385 | |
250 | 730 | 450 | 385 | 345 | 38 | 3 | 12-φ33 | 535 | |
300 | 850 | 515 | 450 | 410 | 42 | 4 | 16-φ33 | 680 | |
350 | 980 | 580 | 510 | 465 | 46 | 3 | 16-φ36 | 一 |