美標旋啟式止回閥產品概述
H44W、H44H、H44Y型美標旋啟式止回閥適用于壓力 1.6~6.4MPa 工作溫度 -29~+550℃ 的石油、化工、制藥、化肥、電力行業等各種工況的管路上,適用介質為水、油品、蒸汽、酸性介質等。美標旋啟式止回閥產品特點
H44W、H44Y 型旋啟式鋼制止回閥是靠管路中介質本身的流動產生的力而自動開啟和關閉的,屬于一種自動閥門。止回閥用于管路系統,其主要作用是防止介質倒流、防止泵及其驅動電機機反轉,以及容器內介質的泄放。止回閥還可用于給其中的壓力可能升至超過主系統壓力的輔助系統提供補給的管路上。美標旋啟式止回閥產品執行標準
產品規范 Product specification | 設計與制造 Design manufacture | 結構長度 Structure length | 壓力-溫度 Pressure temperature | 法蘭尺寸 Flange size | 檢驗與實驗 Inspection experiment |
API 6D | ANSI B16.10 API 6D | ANSI B16.34 | ANSI B16.5 | API1598 API 6D |
美標旋啟式止回閥主要零件材質
序號 NO. | 零件名稱 Parts name | 材料 Material | ||||
WCB/Trim 1 | WCB/Trim 5 | WCB/Trim 8 | CF8/304 | CF8M/316 | ||
1 | 閥體 Body | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
2 | 閥座 Seat | A105+13Cr | A105+STL | A105+STL | A351 CF8 | A351 CF8M |
3 | 閥瓣 Disc | A216 WCB+13Cr | A216 WCB+STL | A216 WCB+13Cr | A351 CF8 | A351 CF8M |
4 | 搖臂 Arm | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
5 | 螺母 Nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
6 | 銷 Pin | A182 F6a | A182 F6a | A182 F6a | A351 CF8 | A351 CF8M |
7 | 支架 Yoke | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
8 | 閥蓋螺母 Bonnet nut | A194 2H | A194 2H | A194 2H | A194 8 | A194 8M |
9 | 閥蓋螺柱 Bonnet Stud | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
10 | 螺栓 Bolt | A193 B7 | A193 B7 | A193 B7 | A193 B8 | A193 B8M |
11 | 墊片 Gasket | 304+Graphite | 304+Graphite | 304+Graphite | 304+Graphite | 316+Graphite |
12 | 閥蓋 Bonnet | A216 WCB | A216 WCB | A216 WCB | A351 CF8 | A351 CF8M |
13 | 活接螺栓 Eye bolt | ASTM A181 | ASTM A181 | ASTM A181 | ASTM A181 | ASTM A181 |
美標旋啟式止回閥外形和連接尺寸
磅級 Class | 規格 Size | 尺寸 Dimension | ||||||||
DN | NPS | L | D | D1 | D2 | b | f | Z-d0 | ||
RF | RTJ | |||||||||
150LB | 50 | 2 | 203 | 216 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 |
65 | 2-1/2 | 216 | 229 | 178 | 139.7 | 105 | 18 | 1.6 | 4-19 | |
80 | 3 | 241 | 254 | 190 | 152.5 | 127 | 19 | 1.6 | 4-19 | |
100 | 4 | 292 | 305 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | |
125 | 5 | 330 | 343 | 254 | 215.9 | 186 | 24 | 1.6 | 8-22 | |
150 | 6 | 356 | 368 | 279 | 241.5 | 261 | 26 | 1.6 | 8-22 | |
200 | 8 | 495 | 508 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | |
250 | 10 | 622 | 635 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | |
300 | 12 | 699 | 711 | 483 | 431.8 | 381 | 31.8 | 1.6 | 12-25 | |
350 | 14 | 787 | 800 | 533 | 476.2 | 412.8 | 35 | 1.6 | 12-28.5 | |
400 | 16 | 864 | 876 | 597 | 539.8 | 469.9 | 36.6 | 1.6 | 16-28.5 | |
450 | 18 | 978 | 991 | 635 | 577 | 533.4 | 39.7 | 1.6 | 16-31.8 | |
500 | 20 | 978 | 991 | 589 | 635 | 584.2 | 42.9 | 1.6 | 20-31.8 | |
600 | 24 | 1295 | 1308 | 813 | 749.3 | 692.2 | 47.7 | 1.6 | 20-35 | |
300LB | 50 | 2 | 267 | 283 | 165 | 127 | 92 | 22 | 1.6 | 8-19 |
65 | 2-1/2 | 292 | 308 | 190 | 149 | 105 | 25 | 1.6 | 8-22 | |
80 | 3 | 318 | 333 | 210 | 168 | 170 | 29 | 1.6 | 8-22 | |
100 | 4 | 356 | 371 | 254 | 200 | 157 | 32 | 1.6 | 8-22 | |
125 | 5 | 400 | 416 | 279 | 235 | 186 | 35 | 1.6 | 8-22 | |
150 | 6 | 445 | 460 | 318 | 270 | 216 | 37 | 1.6 | 12-22 | |
200 | 8 | 533 | 549 | 381 | 330 | 270 | 41 | 1.6 | 12-25 | |
250 | 10 | 622 | 638 | 444 | 387.4 | 324 | 47.6 | 1.6 | 16-28.5 | |
300 | 12 | 711 | 727 | 521 | 450.8 | 381 | 50.8 | 1.6 | 16-31.8 | |
350 | 14 | 838 | 854 | 584 | 514.4 | 412.8 | 53.8 | 1.6 | 20-31.6 | |
400 | 16 | 964 | 879 | 648 | 571.5 | 469.9 | 57.2 | 1.6 | 20-35 | |
450 | 18 | 978 | 994 | 713 | 628.6 | 533.4 | 60.5 | 1.6 | 24-35 | |
500 | 20 | 1016 | 1035 | 775 | 685.8 | 584.2 | 63.5 | 1.6 | 24-35 | |
600 | 24 | 1346 | 1368 | 914 | 812.8 | 692.2 | 69.9 | 1.6 | 24-41.1 | |
600LB | 50 | 2 | 292 | 295 | 165 | 127 | 92 | 25.4 | 6.4 | 8-19 |
65 | 2-1/2 | 330 | 333 | 190 | 149 | 105 | 29 | 6.4 | 8-22 | |
80 | 3 | 356 | 359 | 210 | 168 | 127 | 32 | 6.4 | 8-22 | |
100 | 4 | 432 | 435 | 273 | 216 | 157.2 | 38.5 | 6.4 | 8-25 | |
125 | 5 | 508 | 511 | 330 | 266.7 | 185.7 | 44.5 | 6.4 | 8-28.5 | |
150 | 6 | 559 | 562 | 356 | 292.1 | 215.9 | 47.8 | 6.4 | 12-28.5 | |
200 | 8 | 660 | 664 | 419 | 349.2 | 269.5 | 55.6 | 6.4 | 12-31.8 | |
250 | 10 | 787 | 791 | 508 | 431.8 | 323.8 | 63.5 | 6.4 | 16-35 | |
300 | 12 | 838 | 841 | 559 | 489 | 381 | 66.5 | 6.4 | 20-35 | |
350 | 14 | 889 | 892 | 603 | 527 | 412.8 | 69.9 | 6.4 | 20-38.1 | |
400 | 16 | 991 | 994 | 686 | 603.2 | 469.9 | 76.2 | 6.4 | 20-41.1 | |
450 | 18 | 1092 | 1095 | 743 | 654 | 533.4 | 82.6 | 6.4 | 20-44.5 | |
500 | 20 | 1194 | 1200 | 813 | 723.9 | 584.2 | 88.9 | 6.4 | 24-44.5 | |
600 | 24 | 1397 | 1407 | 940 | 838.2 | 692.2 | 101.6 | 6.4 | 24-50.8 |