Jacket type soft sealing electric eccentric hemisphere valve
- name: Jacket type soft sealing electric eccentric hemisphere valve
- Type: PQ947X/H
- Presure: 1.0～2.5MPa
- Specifications: DN50~DN1400
- material: Gray iron, ductile iron, carbon steel, etc.
Product description
Electric eccentric ball valve and eccentric hemisphere valve is the same type of valve, the difference in its power source, eccentric ball valve is a ball around the center of the body to achieve the opening and closing of a valve. Ball valve in the pipeline is mainly used to do the cutting, distribution and change the direction of the flow of media.
nominal diameter
Main dimensions and connection dimensions
valve size
flange connection size
L
H
H1
D
D1
D2
b
f
z-Φd
200
400
225
470
340
295
259
24
3
8-Φ22
250
450
255
540
395
350
314
26
3
12-Φ22
300
500
295
580
445
400
362
26
4
12-Φ22
350
550
345
693
505
460
422
26
4
16-Φ22
400
600
346
710
565
515
473
26
4
16-Φ26
450
650
385
770
615
565
523
28
4
20-Φ26
500
700
430
820
670
620
578
28
4
20-Φ26
600
800
530
940
780
725
677
34
5
20-Φ30
700
900
620
1040
895
840
792
35
5
24-Φ30
800
1000
720
1180
1015
950
899
38
5
24-Φ33
900
1100
755
1280
1115
1050
999
38
5
28-Φ33
1000
1200
874
1420
1230
1160
1106
44
5
28-Φ36
Main parts material
material code
valve body
Guide net
valve clack
Sealing surface
Q
Nodular graphite cast iron （QT450）
Nodular graphite cast iron（QT450）
Cast steel + zinc
rubber
C
Carbon steel（WCB）
Carbon steel（WCB）
Other special materials, our company can also be tailored to customer needs.
Shell material
Applicable medium
Applicable temperature（℃）
Nodular graphite cast iron（Q type）
Water, air, oil
≤80
WCB（C type）
Nominal pressure PN（MPa）
Shell
Test pressure（MPa）
Seal (liquid)
Seal (gas)
1.0
1.5
1.1
0.6
1.6
2.4
1.8
0.6
- $Column4$
- $Column5$
