旋啟式止回閥用途及特點
H44H/W旋啟式止回閥嚴格按GB12236 標準設(shè)計制造,銷軸與閥瓣連接采用內(nèi)裝式結(jié)構(gòu),性能優(yōu)良,密封更可靠。產(chǎn)品廣泛應(yīng)用于石油、化工、制藥、電力行業(yè)等各種工況的管路上。
旋啟式止回閥主要性能規(guī)范
試驗壓力 | 公稱壓力(MPa ) |
1.6 | 2.5 | 4.0 | 6.4 | 10.0 |
殼體試驗 | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 |
密封試驗 | 1.8 | 2.8 | 4.4 | 7.1 | 11.0 |
閥體材料 | WCB(C) | CF8(P) | CF 8M (R) | WC6 | WC9 |
工作溫度 | ≤ 425 | ≤ 100 | ≤ 100 | ≤ 550 | ≤ 550 |
適用介質(zhì) | 水、蒸汽、油品 | 硝酸類 | 醋酸類 | 水、蒸汽 | 水、蒸汽 |
旋啟式止回閥執(zhí)行標準
設(shè)計制造:GB12236
結(jié)構(gòu)長度:GB12221
連接法蘭:JB/T79-1994
試驗與檢驗:JB/T9092-1999
規(guī)格主要尺寸
1.6MPa | DN | L | D | D1 | D2 | b | n-φd | H |
RF H44H H44W H44Y 16C 16P 16R 16I | 50 | 230 | 160 | 125 | 100 | 16 | 4-φ18 | 135 |
65 | 290 | 180 | 145 | 120 | 18 | 4-φ18 | 142 |
80 | 310 | 195 | 160 | 135 | 20 | 8-φ18 | 165 |
100 | 350 | 215 | 180 | 155 | 20 | 8-φ18 | 180 |
125 | 400 | 245 | 210 | 185 | 22 | 8-φ18 | 210 |
150 | 480 | 280 | 240 | 210 | 24 | 8-φ23 | 233 |
200 | 550 | 335 | 295 | 265 | 26 | 12-φ23 | 304 |
250 | 650 | 405 | 355 | 320 | 30 | 12-φ25 | 348 |
300 | 750 | 460 | 410 | 375 | 30 | 12-φ25 | 390 |
350 | 850 | 520 | 470 | 435 | 34 | 16-φ25 | 430 |
400 | 950 | 580 | 525 | 485 | 36 | 16-φ30 | 468 |
500 | 1150 | 705 | 650 | 608 | 44 | 20-φ34 | 525 |
600 | 1350 | 840 | 770 | 718 | 48 | 20-φ4l | - |
700 | 1450 | 910 | 840 | 788 | 50 | 24-φ41 | - |
800 | 1650 | 1020 | 950 | 898 | 52 | 24-φ4l | - |
2.5MPa | 50 | 230 | 160 | 125 | 100 | 20 | 4-φ18 | 160 |
RF H44H H44W H44Y 25 25P 25R 25I | 65 | 290 | 180 | 145 | 120 | 22 | 8-φ18 | 175 |
80 | 3lO | 195 | 160 | 135 | 22 | 8-φ18 | 185 |
100 | 350 | 230 | 190 | 160 | 24 | 8-φ23 | 220 |
125 | 400 | 270 | 220 | 188 | 28 | 8-φ25 | 248 |
150 | 480 | 300 | 250 | 218 | 30 | 8-φ25 | 276 |
200 | 550 | 360 | 310 | 278 | 34 | 12-φ25 | 350 |
250 | 650 | 425 | 370 | 332 | 36 | 12-φ30 | 410 |
300 | 750 | 485 | 430 | 390 | 40 | 16-φ30 | 430 |
350 | 850 | 550 | 490 | 448 | 44 | 16-φ34 | 518 |
400 | 950 | 610 | 550 | 505 | 48 | 16-φ34 | 560 |
500 | 1150 | 730 | 660 | 610 | 52 | 20-φ41 | 618 |
600 | 1350 | 840 | 770 | 718 | 48 | 20-φ4l | - |
700 | 1450 | 910 | 840 | 788 | 50 | 24-φ41 | - |
800 | 1650 | 1020 | 950 | 898 | 52 | 24-φ4l | - |
規(guī)格主要尺寸
4.0MPa | DN | L | D | D1 | D2 | D6 | b | n-φd | H |
MFM H44H H44W H44Y 40 40P 40R 40I | 50 | 230 | 160 | 125 | 100 | 88 | 20 | 4-φ18 | 160 |
65 | 290 | 180 | 145 | 120 | 110 | 22 | 8-φ18 | 175 |
80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-φ18 | 185 |
1OO | 350 | 230 | 190 | 160 | 150 | 24 | 8-φ23 | 220 |
125 | 400 | 270 | 220 | 188 | 176 | 28 | 8-φ25 | 248 |
150 | 480 | 300 | 250 | 218 | 204 | 30 | 8-φ25 | 270 |
200 | 550 | 375 | 320 | 282 | 260 | 38 | 12-φ30 | 350 |
250 | 650 | 445 | 385 | 345 | 313 | 42 | 12-φ34 | 410 |
300 | 750 | 510 | 450 | 408 | 364 | 46 | 16-φ34 | 430 |
350 | 850 | 570 | 5lO | 465 | 422 | 52 | 16-φ34 | 518 |
400 | 950 | 655 | 585 | 535 | 474 | 58 | 16-φ41 | 560 |
500 | 1150 | 755 | 670 | 612 | 576 | 62 | 20-φ48 | - |
600 | 1350 | 890 | 795 | 730 | 678 | 62 | 20-φ54 | - |
6.4MPa | 50 | 300 | 175 | 135 | 105 | 88 | 26 | 4-φ23 | 177 |
MFM H44H H44W H44Y 64 64P 64R 64I | 65 | 340 | 200 | 160 | 130 | 110 | 28 | 8-φ23 | 197 |
80 | 380 | 210 | 170 | 140 | 121 | 30 | 8-φ23 | 212 |
100 | 430 | 250 | 200 | 168 | 150 | 32 | 8-φ25 | 248 |
125 | 500 | 295 | 240 | 202 | 176 | 36 | 8-φ30 | 296 |
150 | 550 | 340 | 280 | 240 | 204 | 38 | 8-φ34 | 330 |
200 | 650 | 405 | 345 | 300 | 260 | 44 | 12-φ34 | 385 |
250 | 775 | 470 | 400 | 352 | 313 | 48 | 12-φ41 | 445 |
300 | 900 | 530 | 460 | 412 | 364 | 54 | 16-φ41 | 474 |
350 | 1025 | 595 | 525 | 475 | 422 | 60 | 16-φ4l | 514 |
400 | 1150 | 670 | 585 | 525 | 474 | 66 | 16-φ48 | 616 |
500 | 1400 | 800 | 705 | 640 | 576 | 70 | 20-φ54 | - |
10.0MPa | 50 | 300 | 195 | 145 | 112 | 88 | 28 | 4-φ25 | 210 |
MFM H44H H44W H44Y 100 100P lOOR 100I | 65 | 340 | 220 | 170 | 138 | 110 | 32 | 8-φ25 | 227 |
80 | 380 | 230 | 180 | 148 | 121 | 34 | 8-φ25 | 235 |
100 | 430 | 265 | 210 | 172 | 150 | 38 | 8-φ30 | 274 |
125 | 500 | 3lO | 250 | 210 | 176 | 42 | 8-φ34 | 307 |
150 | 550 | 350 | 290 | 250 | 204 | 46 | 12-φ34 | 347 |
200 | 650 | 430 | 360 | 312 | 260 | 54 | 12-φ4l | 402 |
250 | 775 | 500 | 430 | 382 | 313 | 60 | 12-φ41 | 432 |
300 | 900 | 585 | 500 | 442 | 364 | 70 | 16-φ48 | 484 |
400 | 1150 | 715 | 620 | 558 | 474 | 80 | 16-φ54 | - |