Main Performance Parameter:
|
Nominal Diameter (inch)
|
Nominal Pressure (Lb)
|
Suitable Medium
|
Suitable Temperature
|
|
2‘’~36‘’
|
150
|
Water, Steam, Oil, Nitric Acid, Acerbity and other corrosive medium
|
-29℃~425℃
|
Material of Main Parts:
|
Name
|
Material
|
|
Body
|
Carbon Steel, Stain Steel
|
|
Disc
|
Alloy Steel, Stain Steel
|
|
Stem
|
Alloy Steel, Stain Steel
|
|
Seal Ring
|
Stain Steel
|
|
Packing
|
Flexible graphite
|
|
Drivng Type
|
Worm wheel actuator
|

Dimension Table of Installation:
|
Nominal Diameter (mm)
|
d
|
L
|
H
|
V
|
o
|
c
|
g
|
t
|
z-d1
|
|
250
|
254
|
330
|
1186
|
400
|
406
|
362
|
324
|
31
|
12-φ25
|
|
300
|
305
|
356
|
1415
|
400
|
483
|
432
|
381
|
32
|
12-φ25
|
|
350
|
337
|
381
|
1583
|
450
|
533
|
476
|
413
|
35
|
12-φ29
|
|
400
|
387
|
406
|
1771
|
500
|
597
|
540
|
470
|
37
|
16-φ29
|
|
450
|
438
|
432
|
1915
|
550
|
635
|
578
|
533
|
40
|
16-φ32
|
|
500
|
489
|
457
|
2300
|
600
|
699
|
635
|
584
|
43
|
20-φ32
|
|
550
|
540
|
483
|
2500
|
650
|
750
|
692.1
|
641
|
46
|
20-φ35
|
|
600
|
591
|
508
|
2700
|
650
|
813
|
749.5
|
692
|
48
|
20-φ35
|