隔膜式安全泄壓閥安裝在高層建筑,消防給水系統(tǒng)以及其它給水系統(tǒng)的管道上,當(dāng)給水管路中壓力超過泄壓閥設(shè)定壓力時(shí),泄壓閥自動(dòng)開啟快速泄壓,保護(hù)管線的安全,也可作持壓閥用,保障主閥上游的供水壓力。能準(zhǔn)確保持不變的安全設(shè)定壓力,一旦超壓,泄壓閥迅速打開,及時(shí)泄壓。關(guān)閉平穩(wěn)可靠,消除壓力余波。
DN | L | H | D | D1 | n-d | ||||||
1.0MPa | 1.6MPa | 2.5MPa | 1.0MPa | 1.6MPa | 2.5MPa | 1.0MPa | 1.6MPa | 2.5MPa | |||
50 | 203 | 293 | 165 | 165 | 165 | 125 | 125 | 125 | 4-18 | 4-18 | 4-18 |
65 | 216 | 328 | 185 | 185 | 185 | 145 | 145 | 145 | 4-18 | 4-18 | 8-18 |
80 | 248 | 364 | 200 | 200 | 200 | 160 | 160 | 160 | 8-18 | 8-18 | 8-18 |
100 | 283 | 418 | 220 | 220 | 235 | 180 | 180 | 190 | 8-18 | 8-18 | 8-22 |
125 | 330 | 481 | 250 | 250 | 270 | 210 | 210 | 220 | 8-18 | 8-18 | 8-22 |
150 | 356 | 543 | 285 | 285 | 300 | 240 | 240 | 250 | 8-22 | 8-22 | 8-26 |
200 | 444 | 673 | 340 | 340 | 360 | 295 | 295 | 310 | 8-22 | 12-22 | 8-26 |
250 | 533 | 792 | 395 | 405 | 425 | 350 | 355 | 370 | 12-22 | 12-26 | 12-30 |
300 | 600 | 927 | 445 | 460 | 485 | 400 | 410 | 430 | 12-22 | 12-26 | 16-30 |
350 | 622 | 957 | 505 | 520 | 555 | 460 | 470 | 490 | 16-22 | 16-26 | 16-33 |
400 | 698 | 1188 | 565 | 580 | 620 | 515 | 525 | 550 | 16-26 | 16-30 | 16-36 |
450 | 775 | 1218 | 615 | 640 | 670 | 565 | 585 | 600 | 20-26 | 20-30 | 20-36 |
500 | 811 | 1256 | 670 | 715 | 730 | 620 | 650 | 660 | 20-26 | 20-33 | 20-36 |
600 | 900 | 1600 | 780 | 840 | 725 | 770 | 20-30 | 20-36 | |||
700 | 980 | 1750 | 895 | 910 | 840 | 840 | 24-30 | 24-36 | |||
800 | 1120 | 1900 | 1015 | 1025 | 950 | 950 | 24-33 | 24-39 | |||
900 | 1220 | 2100 | 1115 | 1050 | 28-33 | ||||||
1000 | 1320 | 2400 | 1230 | 1160 | 28-36 |
水利控制閥說明書 | 下載 |
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