轨道球阀结构特点
传统的球阀，无论是浮动式还是固定式，球体与阀座始终接触，开关扭矩大，密封面容易损伤，轨道球阀在启闭时，球体先偏转-δ角，然后转动，开关全过程中球体与阀座脱离，故阀座不会被擦伤，并且启闭扭矩小。
轨道球阀主要零件材料
|
零件名称 |
材料 |
|||
|
阀体 |
WCB |
ZG1Cr5Mo |
18-8CrNi |
18-12CrNiMo |
|
阀盖 |
WCB |
ZG1Cr5Mo |
18-8CrNi |
18-12CrNiMo |
|
阀杆 |
2Cr13 |
38CrMoA1 |
1Cr18Ni9Ti |
1Cr18Ni12Mo2aTi |
|
球体 |
WCB+HCr |
1Cr5Mo |
18-8CrNi |
18-12CrNiMo |
|
阀座 |
PTFE/13Cr/CrNi SS+STELLITE |
|||
|
螺柱 |
B7/35CrMoA |
1Cr17Ni2 |
||
|
螺母 |
2H/45 |
2Cr13 |
||
|
填料 |
PTFE/增强柔性石墨 |
|||
轨道球阀应用规范
1、设计、制造按GB/12237
2、结构长度按QB/ZMV 107
3、连接法兰JB/T79.1～79.4 GB/T9113.1～9113.4
4、阀门检查和试验按GB/13927
GDQ47型PN1.6～2.5MPa主要外形尺寸
|
公称通径DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
|
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
730 |
850 |
980 |
1100 |
1200 |
1250 |
1450 |
|
H1 |
220 |
230 |
240 |
260 |
307 |
360 |
410 |
483 |
512 |
543 |
581 |
617 |
672 |
723 |
758 |
791 |
828 |
870 |
940 |
|
H2 |
450 |
486 |
525 |
550 |
610 |
640 |
640 |
675 |
710 |
740 |
820 |
905 |
955 |
990 |
1050 |
1100 |
1270 |
1450 |
|
|
H3 |
415 |
455 |
500 |
535 |
580 |
605 |
605 |
620 |
640 |
685 |
735 |
850 |
900 |
920 |
1100 |
1250 |
1340 |
1555 |
|
|
H4 |
370 |
400 |
440 |
460 |
480 |
500 |
550 |
600 |
650 |
713 |
760 |
820 |
875 |
930 |
962 |
1020 |
1285 |
1625 |
|
GDQ47型PN4.0MPa主要外形尺寸
|
公称通径DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
125 |
180 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
|
L |
130 |
150 |
160 |
180 |
200 |
230 |
290 |
310 |
350 |
400 |
480 |
600 |
730 |
850 |
980 |
1100 |
1200 |
1250 |
1450 |
|
H1 |
230 |
240 |
260 |
280 |
320 |
360 |
436 |
492 |
527 |
607 |
649 |
701 |
750 |
750 |
790 |
832 |
875 |
910 |
980 |
|
H2 |
486 |
525 |
550 |
610 |
640 |
640 |
675 |
710 |
740 |
820 |
905 |
955 |
990 |
105 |
1100 |
1270 |
1450 |
|
|
|
H3 |
455 |
500 |
535 |
580 |
605 |
605 |
620 |
640 |
685 |
735 |
850 |
900 |
920 |
1100 |
1250 |
1340 |
1555 |
|
|
|
H4 |
400 |
440 |
460 |
480 |
500 |
550 |
600 |
650 |
713 |
777 |
835 |
890 |
950 |
980 |
1040 |
1305 |
1650 |
|
|
- Q-Explosion Proof TD/PM
- Mettler XJXX N4 ISB05000
- Sabicontrol Alpha AWR10M
- Federal Signal 31 X
- Gems fs-550 66914 flow
- U-E J120-192 EXPLOSION
- Caloritech XB2-4200T2DMT X-max
- Barksdale D2X-H18SS-EX
- Malema sensors M-200X-S63-004
- NORSEMAN XB1-1030T3B11T
- CHARLES AUSTEN EX30
- ATOS DHA-0713/PA-M24
- EDWARDS 435EX-10G1
- STAHL 8510/131-00-900-00
- Killark HXG-2-100
