伞齿轮法兰截止(节流)阀结构特点和用处:
伞齿轮铸钢直通式截止(节流)阀严格按BS 1873、API6D、 GB/T12235 标准设计制造,截止阀的阀瓣沿着ZX定位作升降运动,(衬套采用耐磨性能好,摩擦系数小的特殊材料制作),动作灵活可靠,密封性能优良。产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。
伞齿轮铸钢直通式截止(节流)阀的启闭件是塞形的阀瓣,密封面呈平面或锥面 ,阀瓣沿流体的ZX线作直线运动。阀杆的运动形式,有升降杆式(阀杆升降,手轮不升降),也有升降 旋转杆式(手轮与阀杆一起旋转升降,螺母设在阀体上)。
伞齿轮截止阀只适用于全开和全关,不允许作调节和节流。 伞齿轮截止阀属于强制密封式阀门,所以在阀门关闭时,必须向阀瓣施加压力,以强制密封面不 泄漏。当介质由阀瓣下方进入阀门时,操作力所需克服的阻力,是阀杆和填料的摩擦力与由介质的压力所产生的推力,关“伞齿轮截止阀” 的力比开“伞齿轮截止阀 ”的力大,所以阀杆的直径要大,否则会发生阀杆顶弯的故障。
● 设计制造按GB12235-89
● 结构长度按 GB12221-89
● 法兰尺寸按JB/G79-94
● 阀门检查和试验按GB13927
伞齿轮法兰截止(节流)阀技术规范:
C 阀体材料:C--铸钢、P--不锈钢、R--不锈钢
-16 公称压力:1/10MPa
H 密封材料:Y--硬质合金、H--镍基合金
1 结构形式:直通式
4 连接形式:4--法兰连接
9 驱动方式:4—直齿轮传动、9—电动
J 阀门类别:截止阀
伞齿轮法兰截止(节流)阀压力试验
公称压力 PN(Lb) | 强度试验 | 水密封试验 | 气密封试验 |
MPa | Lbf/in2 | MPa | Lbf/in2 | MPa | Lbf/in2 |
150 | 3.1 | 450 | 2.2 | 315 | 0.5-0.7 | 60-100 |
300 | 7.8 | 1125 | 5.6 | 815 |
600 | 15.3 | 2225 | 11.2 | 1630 |
900 | 23.1 | 3350 | 16.8 | 2440 |
1500 | 38.4 | 5575 | 28.1 | 4080 |
2500 | 64.6 | 9367 | 47.4 | 6873 |
伞齿轮法兰截止(节流)阀的材料明细表
序号 NO. | 零件名称 Part Name | 碳钢系列 Carbon Steel | 不锈钢系列 Stainless Steel | 合金钢系列 Alloy steel | 低温钢系列 Low Temperature Steel |
1 | 阀体/Body | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
2 | 阀瓣/Disc | ASTM/A105 | ASTM/A182 F304 | ASTM/182 F11 | ASTM/A352 Gr LCB |
3 | 阀座/ Seat Ring | ASTM/A105 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 |
4 | 阀杆/Stem | ASTM/ A182 F6a | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 |
5 | 密封垫片/Gasket | 柔性石墨+SS304 / Soft Graphite+SS304 |
6 | 阀盖/Bonnet | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
7 | 双头螺柱/Stud | ASTM/A193 Gr B7 | ASTM/A193 Gr B8 | ASTM/A193 Gr B7 | ASTM/A193 Gr B8 |
8 | 六角螺母/ Nut | ASTM/A194 Gr 2H | ASTM/A194 Gr 8 | ASTM/A194 Gr 4 | ASTM/A194 Gr 8 |
9 | 上密封座/Back Seat | ASTM/A182 Gr F6a | ASTM/A182 Gr F304 | ASTM/A182 Gr F6a | ASTM/A182 Gr F6a |
10 | 填料/Packing | 柔性石墨 / Soft Graphite | 柔性石墨/Soft Graphite(或PTFE) | 柔性石墨 / Soft Graphite |
11 | 销轴/Pin | ASTM/A276 TYPE 410 | ASTM/A276 TYPE 304 | ASTM/A276 TYPE 410 | ASTM/A276 TYPE 304 |
12 | 活结螺栓/Eyebolt | ASTM/A193 Gr B7 | ASTM/A193 Gr B8 | ASTM/A193 Gr B7 | ASTM/A193 Gr B7 |
13 | 螺母/Eyebolt Nut | ASTM/A194 Gr 2H | ASTM/A194 Gr 8 | ASTM/A194 Gr 4 | ASTM/A194 Gr 2H |
14 | 填料压套/Packing Bushing | ASTM/A182 Gr F6a | ASTM/A182 Gr F304 | ASTM/A182 Gr F6a | ASTM/A182 Gr F304 |
15 | 填料压板/Gland | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
16 | 阀杆螺母/Stem Nut | ASTM/A439GR.D2(或ZCuAL10Fe3) |
17 | 轴承压盖/Stem Nut Retainer | ASTM/A108 Gr1020 | ASTM/A182 Gr F304 | ASTM/A108 Gr1020 | ASTM/A182 Gr F304 |
18 | 油杯/Grease Cup | 铜合金 / Copper Alloy |
19 | 手轮/Handwheel | ASTM/A536 60-40-18 |
20 | 手轮螺母/ Handwheel Nut | Carbon Steel or Alloy Steel |
| 适用介质 | 水、蒸汽、油品等 | 硝酸、醋酸等 | 水、蒸汽、油品等 | 水、蒸汽、油品等 |
| 适用温度 | —29℃~425℃ | —29℃~200℃ | —29℃~550℃ | —46℃~345℃ |
伞齿轮法兰截止(节流)阀主要安装尺寸及重量:
Class 150 / 10K |
DN | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 |
L(RF-BW) | mm | 203 | 216 | 241 | 292 | 356 | 406 | 495 | 622 | 698 | 787 | 914 | 978 |
in | 8.0 | 8.5 | 9.5 | 11.5 | 14 | 16.0 | 19.5 | 24.5 | 27.5 | 31.0 | 36.0 | 38.5 |
L(RTJ) | mm | 216 | 229 | 254 | 305 | 369 | 419 | 508 | 635 | 711 | 800 | 927 | 991 |
in | 8.5 | 9 | 10 | 12 | 14.5 | 16.5 | 20 | 25 | 28 | 31.5 | 36.5 | 39 |
H | mm | 380 | 376 | 433 | 495 | 560 | 574 | 710 | 797 | 995 | 1387 | 1356 | 1980 |
in | 15 | 14.8 | 17.0 | 19.5 | 22 | 22.6 | 28 | 31.4 | 39.17 | 54.6 | 53.4 | 78 |
Do | mm | 200 | 250 | 250 | 250 | 300 | 350 | 400 | 500 | 560 | 560 | 600 | 680 |
in | 8 | 10 | 10 | 10 | 12 | 14 | 16 | 20 | 22 | 22 | 24 | 27 |
RF | Kg | 20 | 26 | 35 | 65 | 90 | 105 | 182 | 295 | 410 | 685 | 900 | 1800 |
BW | Kg | 18 | 23 | 28 | 55 | 75 | 85 | 150 | 225 | 330 | 595 | 800 | 1650 |
Class 300 / 20K |
DN | mm | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
L(RF-BW) | mm | 267 | 292 | 318 | 356 | 400 | 444 | 559 | 622 | 711 | 838 | 864 |
in | 10.5 | 11.5 | 12.5 | 14 | 15.8 | 17.5 | 22 | 24.5 | 28.0 | 39.0 | 42.0 |
L(RTJ) | mm | 283 | 308 | 334 | 372 | 416 | 461 | 575 | 638 | 727 | 854 | 880 |
in | 11.1 | 12.1 | 13.1 | 14.6 | 16.4 | 18.1 | 22.6 | 25.1 | 28.62 | 33.62 | 34.64 |
H | mm | 396 | 415 | 462 | 550 | 695 | 741 | 800 | 1132 | 1172 | 1435 | 1650 |
in | 15.6 | 16.3 | 18.2 | 21.7 | 27.7 | 29.2 | 31.5 | 446 | 46.1 | 56.5 | 65 |
Do | mm | 200 | 250 | 250 | 300 | 350 | 400 | 500 | 500 | 600 | 680 | 800 |
in | 8 | 10 | 10 | 12 | 14 | 16 | 20 | 20 | 24 | 27 | 31.5 |
RF | Kg | 30 | 38 | 60 | 90 | 130 | 178 | 280 | 380 | 580 | 780 | 1100 |
BW | Kg | 25 | 30 | 52 | 75 | 110 | 150 | 220 | 305 | 530 | 660 | 960 |
Class 600 |
DN | mm | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
L(RF-BW) | mm | 292 | 330 | 356 | 432 | 559 | 660 | 787 | 838 | 889 | 991 |
in | 11.5 | 13.0 | 14.0 | 17.0 | 22.0 | 26.0 | 31.0 | 33.0 | 35.0 | 39.0 |
L(RTJ) | mm | 295 | 333 | 359 | 435 | 562 | 664 | 792 | 841 | 892 | 994 |
in | 11.62 | 13.12 | 14.12 | 17.12 | 22.12 | 26.12 | 31.12 | 33.12 | 35.12 | 39.12 |
H | mm | 406 | 505 | 585 | 675 | 760 | 1080 | 1280 | 1495 | 1800 | 1930 |
in | 16 | 19.9 | 23 | 26.5 | 29.9 | 42.5 | 50.4 | 58.8 | 70.9 | 76.0 |
Do | mm | 250 | 250 | 300 | 350 | 450 | 600 | 680 | 800 | 800 | 850 |
in | 10 | 10 | 12 | 14 | 18 | 24 | 27 | 31.5 | 31.5 | 33.5 |
RF | Kg | 39 | 59 | 70 | 125 | 260 | 470 | 810 | 1080 | 1350 | 1660 |
BW | Kg | 35 | 52 | 60 | 98 | 210 | 390 | 680 | 950 | - | - |
Class 900 |
DN | mm | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | 12 | 14 | 16 |
L(RF-BW) | mm | 368 | 419 | 381 | 457 | 610 | 737 | 838 | 965 | 1029 | 1130 |
in | 14.5 | 16.5 | 15.0 | 18.0 | 24.0 | 29.0 | 33.0 | 38.0 | 40.5 | 44.5 |
L(RTJ) | mm | 371 | 422 | 384 | 460 | 613 | 740 | 841 | 968 | 1038 | 1140 |
in | 14.62 | 16.62 | 15.12 | 18.12 | 24.12 | 29.12 | 33.12 | 38.12 | 40.88 | 44.88 |
H | mm | 695 | 695 | 77.5 | 855 | 1065 | 1320 | 1540 | 1840 | 2135 | 2380 |
in | 27.4 | 27.3 | 30.5 | 33.7 | 42 | 52 | 60.6 | 72.5 | 84.1 | 93.8 |
Do | mm | 300 | 400 | 400 | 400 | 500 | 600 | 750 | 850 | 850 | 900 |
in | 12 | 16 | 16 | 16 | 20 | 24 | 30 | 34 | 34 | 36 |
RF | Kg | 80 | 115 | 105 | 190 | 395 | 680 | 960 | 1680 | 2180 | 3400 |
BW | Kg | 70 | 105 | 89 | 155 | 350 | 610 | 800 | 1410 | 1850 | 3080 |
Class 1500 |
DN | mm | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | 12 |
L(RF-BW) | mm | 368 | 419 | 470 | 546 | 705 | 832 | 991 | 1130 |
in | 14.5 | 16.5 | 18.5 | 21.5 | 27.75 | 32.75 | 39 | 44.5 |
L(RTJ) | mm | 371 | 422 | 473 | 549 | 711 | 841 | 1000 | 1146 |
in | 14.62 | 16.62 | 18.62 | 21.62 | 28., 0 | 33.13 | 39.38 | 45.12 |
H | mm | 695 | 695 | 770 | 875 | 1095 | 1400 | 1600 | 1905 |
in | 27.4 | 27.3 | 30.3 | 34.45 | 43.1 | 55.1 | 63 | 75 |
Do | mm | 300 | 400 | 500 | 500 | 600 | 750 | 850 | 960 |
in | 12 | 16 | 20 | 20 | 24 | 30 | 34 | 38 |
RF | Kg | 80 | 115 | 180 | 235 | 520 | 1150 | 1950 | |
BW | Kg | 70 | 105 | 140 | 200 | 460 | 1000 | 1700 | |
Class 2500 (中部为自紧密封) |
DN | mm | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 |
NPS | in | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | 12 |
L(RF-BW) | mm | 451 | 508 | 578 | 673 | 914 | 1022 | 1270 | 1422 |
in | 17.75 | 20.0 | 22.75 | 26.5 | 36.0 | 40.25 | 50.0 | 56.0 |
L(RTJ) | mm | 454 | 514 | 584 | 683 | 927 | 10.38 | 1292 | 1445 |
in | 17.87 | 20.25 | 23.0 | 26.88 | 36.5 | 40.87 | 50.88 | 56.88 |
H | mm | 498 | 525 | 622 | 698 | 985 | 1220 | 1425 | 1540 |
in | 19.6 | 20.7 | 24.5 | 27.5 | 38.8 | 48 | 56.1 | 60.6 |
Do | mm | 400 | 500 | 500 | 600 | 700 | 900 | 1050 | 1050 |
in | 16 | 20 | 20 | 24 | 24.0 | 36 | 42 | 42 |
RF | Kg | 120 | 155 | 200 | 280 | 780 | 1350 | 2300 | 3250 |
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