Description
Bellow seal globe valve
Application
Petroleum, chemical industry, pharmacy, fertilizer, power industry etc.Advantage
1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the stem part no leakage.
2.Benefit from the con and streamline shape design, the disc has a reliable seal and longer service life.
3.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.
4.Grease nipple. It can direct lubricate the stem, nut and sleeve.
5.Ergonomic hand wheel. It provide longer service life and easier operation.
Performance specification
|
Nominal Pressure |
PN |
||
|
Test Pressure |
Strength test |
1.5PN |
LB |
|
Sealing test |
1.1PN |
||
|
Gas seal test |
0.6 |
||
|
-- |
-- |
||
|
Suitable temp |
-196℃~600℃ |
||
Design standard: API 16.34
Face to face dimension: ANSI B 16.10
Flanged ends: ANSI B 16.5
Test & inspection: API 598
150 LB
DN
Main connection size
L
D
D1
D2
b
f
H
n-Φd
1/2＂
108
90
60.5
35
10.7
215
4-Φ15
3/4＂
117
100
70
43
11..7
215
4-Φ16
1＂
127
110
79.5
51
12.7
220
4-Φ16
1-1/4＂
165
125
98.5
73
14
250
4-Φ16
1-1/2＂
203
150
120.5
92
16
260
4-Φ19
2＂
216
180
139.5
105
17.5
305
4-Φ19
2-1/2＂
241
190
152.4
127
19
325
4-Φ19
3＂
292
230
190.5
157
24
390
8-Φ19
4＂
406
280
241.5
216
25.4
455
8-Φ22
5＂
495
345
298.5
270
29
570
8-Φ22
300 LB
1/2＂
152
95
66.5
35
14
215
4-Φ16
3/4＂
178
115
82.5
43
16
215
4-Φ19
1＂
203
125
89
51
17
220
4-Φ22
1-1/4＂
229
155
114.5
73
21
250
4-Φ22
1-1/2＂
267
165
127
92
22
260
8-Φ19
2＂
292
190
149
105
25.5
305
8-Φ22
2-1/2＂
318
210
168.5
127
29
325
8-Φ22
3＂
356
255
200
157
32
390
8-Φ22
4＂
444
320
270
216
37
455
12-Φ22
5＂
559
380
330
270
41
570
12-Φ25
