詳細介紹
傘齒輪法蘭截止(節(jié)流)閥結(jié)構(gòu)特點和用處:
傘齒輪鑄鋼直通式截止(節(jié)流)閥嚴格按BS 1873、API6D、 GB/T12235 標準設(shè)計制造,截止閥的閥瓣沿著中心定位作升降運動,(襯套采用耐磨性能好,摩擦系數(shù)小的特殊材料制作),動作靈活可靠,密封性能優(yōu)良。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。
傘齒輪鑄鋼直通式截止(節(jié)流)閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面 ,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降 旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。
傘齒輪截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。 傘齒輪截止閥屬于強制密封式閥門,所以在閥門關(guān)閉時,必須向閥瓣施加壓力,以強制密封面不 泄漏。當介質(zhì)由閥瓣下方進入閥門時,操作力所需克服的阻力,是閥桿和填料的摩擦力與由介質(zhì)的壓力所產(chǎn)生的推力,關(guān)“傘齒輪截止閥” 的力比開“傘齒輪截止閥 ”的力大,所以閥桿的直徑要大,否則會發(fā)生閥桿頂彎的故障。
● 設(shè)計制造按GB12235-89
● 結(jié)構(gòu)長度按 GB12221-89
● 法蘭尺寸按JB/G79-94
● 閥門檢查和試驗按GB13927
傘齒輪法蘭截止(節(jié)流)閥技術(shù)規(guī)范:
C 閥體材料:C--鑄鋼、P--不銹鋼、R--不銹鋼
-16 公稱壓力:1/10MPa
H 密封材料:Y--硬質(zhì)合金、H--鎳基合金
1 結(jié)構(gòu)形式:直通式
4 連接形式:4--法蘭連接
9 驅(qū)動方式:4—直齒輪傳動、9—電動
J 閥門類別:截止閥
傘齒輪法蘭截止(節(jié)流)閥壓力試驗
公稱壓力 | 強度試驗 | 水密封試驗 | 氣密封試驗 | |||
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 |
傘齒輪法蘭截止(節(jié)流)閥的材料明細表
序號 | 零件名稱 | 碳鋼系列 | 不銹鋼系列 | 合金鋼系列 | 低溫鋼系列 |
1 | 閥體/Body | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
2 | 閥瓣/Disc | ASTM/A105 | ASTM/A182 F304 | ASTM/182 F11 | ASTM/A352 Gr LCB |
3 | 閥座/ Seat Ring | ASTM/A105 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 |
4 | 閥桿/Stem | ASTM/ A182 F6a | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 | ASTM/A182 Gr F304 |
5 | 密封墊片/Gasket | 柔性石墨+SS304 / Soft Graphite+SS304 | |||
6 | 閥蓋/Bonnet | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
7 | 雙頭螺柱/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 | 銷軸/Pin | ASTM/A276 TYPE 410 | ASTM/A276 TYPE 304 | ASTM/A276 TYPE 410 | ASTM/A276 TYPE 304 |
12 | 活結(jié)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 | 填料壓套/Packing Bushing | ASTM/A182 Gr F6a | ASTM/A182 Gr F304 | ASTM/A182 Gr F6a | ASTM/A182 Gr F304 |
15 | 填料壓板/Gland | ASTM/A216 Gr WCB | ASTM/A351 Gr CF8 | ASTM/217 Gr WC6 | ASTM/A352 Gr LCB |
16 | 閥桿螺母/Stem Nut | ASTM/A439GR.D2(或ZCuAL10Fe3) | |||
17 | 軸承壓蓋/Stem Nut Retainer | ASTM/A108 Gr1020 | ASTM/A182 Gr F304 | ASTM/A108 Gr1020 | ASTM/A182 Gr F304 |
18 | 油杯/Grease Cup | 銅合金 / Copper Alloy | |||
19 | 手輪/Handwheel | ASTM/A536 60-40-18 | |||
20 | 手輪螺母/ Handwheel Nut | Carbon Steel or Alloy Steel | |||
| 適用介質(zhì) | 水、蒸汽、油品等 | 硝酸、醋酸等 | 水、蒸汽、油品等 | 水、蒸汽、油品等 |
| 適用溫度 | —29℃~425℃ | —29℃~200℃ | —29℃~550℃ | —46℃~345℃ |
傘齒輪法蘭截止(節(jié)流)閥主要安裝尺寸及重量:
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 (中部為自緊密封) | |||||||||
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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