詳細介紹
旋啟式止回閥
采用標準: 設計制造:ASME B16.34、API 6D 檢驗和試驗:API 598、API 6D 法蘭連接:ASME B16.5(NPS≤24)、API 605、ASME B16.47 A系列、MSS SP-44(NPS>24) 對焊端:ASME B16.25 承插焊端:ASME B16.11 結構長度:ASME B16.10 溫壓等級:ASME B16.34 止回閥特點: 拴接閥蓋、旋啟式和升降式閥瓣、金屬閥座密封面。 |
Class150~Class900采用拴接閥蓋;Class1500~Class2500采用自壓密封式閥蓋。
中法蘭密封墊片:
Class150 止回閥采用不銹鋼石墨復合墊片;Class300止回閥采用不銹鋼石墨纏繞墊片;Class600止回閥可用不銹鋼石墨纏繞墊片也可采用金屬環(huán)墊片;Class900止回閥可采用金屬環(huán)墊片;Class1500~Class2500止回閥采用自密封金屬環(huán)。
主要零件及材料
NO | Parts Name | Materials | ||||
WCB/Trim1 | WCB/Trim5 | WCB/Trim8 | CF8/304 | CF8M/316 | ||
1 | Body | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
2 | Seat ring | A105+13Cr | A105+STL | A105+STL | ASTM A351 CF8 | ASTM A351 CF8M |
3 | Disc | ASTM A216 WCB+13Cr | ASTM A216 WCB+STL | ASTM A216 WCB+13Cr | ASTM A351 CF8 | ASTM A351 CF8M |
4 | Arm | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
5 | Nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H | ASTM A194 8 | ASTM A194 8M |
6 | Arm pin | ASTMA182 F6a | ASTMA182 F6a | ASTMA182 F6a | ASTM A182 F304 | ASTM A182 F316 |
7 | Yoke | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
8 | Bonnet nut | ASTM A194 2H | ASTM A194 2H | ASTM A194 2H | ASTM A194 8 | ASTM A194 8M |
9 | Bonnet bolt | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B8M |
10 | Bolt | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B8M |
11 | Gasket | 304 sheet+Graphite | 304 sheet+Graphite | 304 sheet+Graphite | 304+Graphite | 316+Graphite |
12 | Bonnet | ASTM A216 WCB | ASTM A216 WCB | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M |
13 | Eye bolt | ASTM A181 | ASTM A181 | ASTM A181 | ASTM A181 | ASTM A181 |
主要連接尺寸
壓力 | Size | Dimensions(mm) | ||||||||||
NPS | DN | L | B | D | G | f | K | Z-φd | C | A | ||
RF | BW | |||||||||||
150LB | 2 | 50 | 203 | 203 | 49 | 152 | 91.9 | 1.6 | 120.7 | 4-19.1 | 15.8 | 63 |
2½ | 65 | 216 | 216 | 62 | 178 | 104.6 | 1.6 | 139.7 | 4-19.1 | 17.5 | 75 | |
3 | 80 | 241 | 241 | 74 | 191 | 127 | 1.6 | 152.4 | 4-19.1 | 19.1 | 91 | |
4 | 100 | 292 | 292 | 100 | 229 | 157.2 | 1.6 | 190.5 | 8-19.1 | 23.9 | 117 | |
6 | 150 | 356 | 356 | 150 | 279 | 215.9 | 1.6 | 241.3 | 8-22.2 | 25.4 | 172 | |
8 | 200 | 495 | 495 | 201 | 343 | 269.7 | 1.6 | 298.5 | 8-22.2 | 28.4 | 223 | |
10 | 250 | 622 | 622 | 252 | 406 | 323.9 | 1.6 | 362 | 12-25.4 | 30.2 | 278 | |
12 | 300 | 699 | 699 | 303 | 483 | 381 | 1.6 | 431.8 | 12-25.4 | 31.8 | 329 | |
14 | 350 | 787 | 787 | 334 | 533 | 412.8 | 1.6 | 476.2 | 12-28.6 | 35.1 | 362 | |
16 | 400 | 864 | 864 | 385 | 597 | 469.9 | 1.6 | 539.8 | 16-28.6 | 36.6 | 413 | |
18 | 450 | 978 | 978 | 436 | 635 | 533.4 | 1.6 | 577.9 | 16-31.8 | 39.6 | 464 | |
20 | 500 | 978 | 978 | 487 | 699 | 584.2 | 1.6 | 635 | 20-31.8 | 42.9 | 516 | |
24 | 600 | 1295 | 1295 | 589 | 813 | 692.2 | 1.6 | 749.3 | 20-34.9 | 47.8 | 619 | |
26 | 650 | 1295 | 1295 | 633 | 870 | 749.3 | 1.6 | 806.5 | 24-34.9 | 68.3 | 670 | |
28 | 700 | 1448 | 1448 | 684 | 927 | 800.1 | 1.6 | 863.6 | 28-34.9 | 71.4 | 721 | |
30 | 750 | 1524 | 1524 | 735 | 984 | 857.3 | 1.6 | 914.4 | 28-34.9 | 74.7 | 772 | |
36 | 900 | 1965 | 1965 | 874 | 1168 | 1022.4 | 1.6 | 1085.9 | 32-41.3 | 90.4 | 927 |
主要連接尺寸
壓力 | Size | Dimensions(mm) | |||||||||||||||
NPS | DN | L | B | D | G | f | K | Z-φd | C | RTJ | A | ||||||
RF | RTJ | BW | Y | P | E | F | |||||||||||
300LB | 2 | 50 | 267 | 283 | 267 | 49 | 165 | 91.9 | 1.6 | 127 | 8-19.1 | 22.4 | 108 | 82.55 | 7.92 | 11.91 | 63 |
2½ | 65 | 292 | 308 | 292 | 62 | 191 | 104.6 | 1.6 | 149.2 | 8-22.2 | 25.4 | 127 | 101.6 | 7.92 | 11.91 | 75 | |
3 | 80 | 318 | 333 | 318 | 74 | 210 | 127 | 1.6 | 168.3 | 8-22.2 | 28.4 | 146 | 123.82 | 7.92 | 11.91 | 91 | |
4 | 100 | 356 | 371 | 356 | 100 | 254 | 157.2 | 1.6 | 200.2 | 8-22.2 | 31.8 | 175 | 149.22 | 7.92 | 11.91 | 117 | |
6 | 150 | 445 | 460 | 445 | 150 | 318 | 215.9 | 1.6 | 269.8 | 12-22.2 | 36.6 | 241 | 211.12 | 7.92 | 11.91 | 172 | |
8 | 200 | 533 | 549 | 533 | 201 | 381 | 269.7 | 1.6 | 330.2 | 12-25.4 | 41.1 | 302 | 269.88 | 7.92 | 11.91 | 223 | |
10 | 250 | 622 | 638 | 622 | 252 | 445 | 323.9 | 1.6 | 387.4 | 16-28.6 | 47.8 | 356 | 323.85 | 7.92 | 11.91 | 278 | |
12 | 300 | 711 | 727 | 711 | 303 | 521 | 381 | 1.6 | 450.9 | 16-31.8 | 50.8 | 413 | 381 | 7.92 | 11.91 | 329 | |
14 | 350 | 838 | 854 | 838 | 334 | 584 | 412.8 | 1.6 | 514.4 | 20-31.8 | 53.8 | 457 | 419.1 | 7.92 | 11.91 | 362 | |
16 | 400 | 864 | 879 | 864 | 385 | 648 | 469.9 | 1.6 | 571.5 | 20-34.9 | 57.2 | 508 | 469.9 | 7.92 | 11.91 | 413 | |
18 | 450 | 978 | 994 | 978 | 436 | 711 | 533.4 | 1.6 | 628.7 | 24-34.9 | 60.5 | 575 | 533.4 | 7.92 | 11.91 | 464 | |
20 | 500 | 1016 | 1035 | 1016 | 487 | 775 | 584.2 | 1.6 | 685.8 | 24-34.9 | 63.5 | 635 | 584.2 | 9.52 | 13.49 | 516 | |
24 | 600 | 1346 | 1368 | 1346 | 589 | 914 | 692.2 | 1.6 | 812.8 | 24-41.3 | 69.9 | 749 | 692.15 | 11.13 | 16.66 | 619 | |
26 | 650 | 1346 | 1372 | 1346 | 633 | 972 | 749.3 | 1.6 | 876.3 | 28-44.5 | 79.2 | 809 | 749.3 | 12.7 | 19.84 | 670 | |
28 | 700 | 1499 | 1524 | 1499 | 684 | 1035 | 800.1 | 1.6 | 939.8 | 28-44.5 | 85.9 | 860.6 | 800.1 | 12.7 | 19.84 | 721 | |
30 | 750 | 1594 | 1619 | 1594 | 735 | 1092 | 857.3 | 1.6 | 997 | 28-47.6 | 91.9 | 917.4 | 857.25 | 12.7 | 19.84 | 772 | |
36 | 900 | 2083 | 2112 | 2083 | 874 | 1270 | 1022.4 | 1.6 | 1168.4 | 32-54 | 104.6 | 1092.2 | 1022.35 | 14.27 | 23.01 | 927 |
壓力 | Size | Dimensions(mm) | |||||||||||||||
NPS | DN | L | B | D | G | f | K | Z-φd | C | RTJ | A | ||||||
RF | RTJ | BW | Y | P | E | F | |||||||||||
600LB | 2 | 50 | 292 | 295 | 292 | 49 | 165 | 91.9 | 6.4 | 127 | 8-19.1 | 25.4 | 108 | 82.55 | 7.92 | 11.91 | 63 |
2½ | 65 | 330 | 333 | 330 | 62 | 191 | 104.6 | 6.4 | 149.2 | 8-22.2 | 28.4 | 127 | 101.6 | 7.92 | 11.91 | 75 | |
3 | 80 | 356 | 359 | 356 | 74 | 210 | 127 | 6.4 | 168.3 | 8-22.2 | 31.8 | 146 | 123.82 | 7.92 | 11.91 | 91 | |
4 | 100 | 432 | 435 | 432 | 100 | 273 | 157.2 | 6.4 | 215.9 | 8-25.4 | 38.1 | 175 | 149.22 | 7.92 | 11.91 | 117 | |
6 | 150 | 559 | 562 | 559 | 150 | 356 | 215.9 | 6.4 | 292.1 | 12-28.6 | 47.8 | 241 | 211.12 | 7.92 | 11.91 | 172 | |
8 | 200 | 660 | 664 | 660 | 201 | 419 | 269.7 | 6.4 | 349.2 | 12-31.8 | 55.6 | 302 | 269.88 | 7.92 | 11.91 | 223 | |
10 | 250 | 787 | 791 | 787 | 252 | 508 | 323.9 | 6.4 | 431.8 | 16-34.9 | 63.5 | 356 | 323.85 | 7.92 | 11.91 | 278 | |
12 | 300 | 838 | 841 | 838 | 303 | 559 | 381 | 6.4 | 489 | 20-34.9 | 66.5 | 413 | 381 | 7.92 | 11.91 | 329 | |
14 | 350 | 889 | 892 | 889 | 334 | 603 | 412.8 | 6.4 | 527.1 | 20-38.1 | 69.9 | 457 | 419.1 | 7.92 | 11.91 | 362 | |
16 | 400 | 991 | 994 | 991 | 385 | 686 | 469.9 | 6.4 | 603.2 | 20-41.3 | 76.2 | 508 | 469.9 | 7.92 | 11.91 | 413 | |
18 | 450 | 1092 | 1095 | 1092 | 436 | 743 | 533.4 | 6.4 | 654.1 | 20-44.5 | 82.6 | 575 | 533.4 | 7.92 | 11.91 | 464 | |
20 | 500 | 1194 | 1200 | 1194 | 487 | 813 | 584.2 | 6.4 | 723.9 | 24-44.5 | 88.9 | 635 | 584.2 | 9.52 | 13.49 | 516 | |
24 | 600 | 1397 | 1407 | 1397 | 589 | 940 | 692.2 | 6.4 | 838.2 | 24-50.8 | 101.6 | 749 | 692.15 | 11.13 | 16.66 | 619 | |
26 | 650 | 1448 | 1461 | 1448 | 633 | 1016 | 749.3 | 6.4 | 914.4 | 28-50.8 | 108 | 809.8 | 749.3 | 12.7 | 19.84 | 670 | |
28 | 700 | 1600 | 1613 | 1600 | 684 | 1073 | 800.1 | 6.4 | 965.2 | 28-54 | 111.3 | 860.6 | 800.1 | 12.7 | 19.84 | 721 | |
30 | 750 | 1651 | 1664 | 1651 | 735 | 1130 | 857.3 | 6.4 | 1022.4 | 28-54 | 114.3 | 917.4 | 857.25 | 12.7 | 19.84 | 772 | |
36 | 900 | 2083 | 2099 | 2083 | 874 | 1314 | 1022.4 | 6.4 | 1193.8 | 28-66.7 | 124 | 1092.2 | 1022.35 | 14.27 | 23.01 | 927 |
壓力 | Size | Dimensions(mm) | |||||||||||||||
NPS | DN | L | B | D | G | f | K | Z-φd | C | RTJ | A | ||||||
RF | RTJ | BW | Y | P | E | F | |||||||||||
900LB | 2 | 50 | 368 | 371 | 368 | 49 | 216 | 91.9 | 6.4 | 165.1 | 8-25.4 | 38.1 | 124 | 95.25 | 7.92 | 11.91 | 63 |
2½ | 65 | 419 | 422 | 419 | 62 | 244 | 104.6 | 6.4 | 190.5 | 8-28.6 | 41.1 | 137 | 107.95 | 7.92 | 11.91 | 75 | |
3 | 80 | 381 | 384 | 381 | 74 | 241 | 127 | 6.4 | 190.5 | 8-25.4 | 38.1 | 156 | 123.82 | 7.92 | 11.91 | 91 | |
4 | 100 | 457 | 460 | 457 | 100 | 292 | 157.2 | 6.4 | 235 | 8-31.8 | 44.5 | 181 | 149.22 | 7.92 | 11.91 | 117 | |
6 | 150 | 610 | 613 | 610 | 150 | 381 | 215.9 | 6.4 | 317.5 | 12-31.8 | 55.6 | 241 | 211.12 | 7.92 | 11.91 | 172 | |
8 | 200 | 737 | 740 | 737 | 201 | 470 | 269.7 | 6.4 | 393.7 | 12-38.1 | 63.5 | 308 | 269.88 | 7.92 | 11.91 | 223 | |
10 | 250 | 838 | 841 | 838 | 252 | 546 | 323.9 | 6.4 | 469.7 | 16-38.1 | 69.9 | 362 | 323.85 | 7.92 | 11.91 | 278 | |
12 | 300 | 965 | 968 | 965 | 303 | 610 | 381 | 6.4 | 533.4 | 20-38.1 | 79.2 | 419 | 381 | 7.92 | 11.91 | 329 | |
14 | 350 | 1029 | 1038 | 1029 | 322 | 641 | 412.8 | 6.4 | 558.8 | 20-41.3 | 85.9 | 467 | 419.1 | 11.13 | 16.66 | 362 | |
16 | 400 | 1130 | 1140 | 1130 | 373 | 705 | 469.9 | 6.4 | 616 | 20-44.5 | 88.9 | 524 | 469.9 | 11.13 | 16.66 | 413 | |
18 | 450 | 1219 | 1232 | 1219 | 423 | 787 | 533.4 | 6.4 | 685.8 | 20-50.8 | 101.6 | 594 | 533.4 | 12.7 | 19.84 | 464 | |
20 | 500 | 1321 | 1334 | 1321 | 471 | 857 | 584.2 | 6.4 | 749.3 | 20-54 | 108 | 648 | 584.2 | 12.7 | 19.84 | 516 | |
24 | 600 | 1549 | 1568 | 1549 | 570 | 1041 | 692.2 | 6.4 | 901.7 | 20-66.7 | 139.7 | 772 | 692.15 | 15.88 | 26.97 | 619 |