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Copyright © 2004
Tianlong Inc.
All rights reserved.
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 Globe Valve:
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| JIS 20K JACKET GLOBE VALVE OF Y MODEL VACUUM (1) |
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 Applicable standards:
1. Flanged dimensions as per JIS B2214
2. Jacket connection flange dimensions as per JIS B2214, DN20RF
Pressure test
| Strength test |
Water |
| 3.0 Mpa |
| Air |
2.2 Mpa |
| Sealing test |
Air |
2.2 Mpa |
| Escape amount of helium gas test |
< 1.2d * 10-6 ACC /
S |
| Jacket test |
Water |
3.0Mpa |
| Air |
2.2 Mpa |
Jacket material: Carbon steel 20
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| Size | mm |
| Specs |
d |
L |
L1 |
L2 |
L3 |
H |
W |
Flanged dimensions |
| Inch |
mm |
o |
t |
c |
g |
Bolt
quantity |
Bolt aperture |
| 3/8 |
10 |
10 |
200 |
50 |
50 |
110 |
210 |
125 |
140 |
18 |
105 |
85 |
4 |
19 |
| 1/2 |
15 |
15 |
200 |
50 |
50 |
110 |
210 |
125 |
140 |
18 |
105 |
85 |
4 |
19 |
| 3/4 |
20 |
20 |
220 |
55 |
50 |
110 |
240 |
140 |
140 |
18 |
105 |
85 |
4 |
19 |
| 1 |
25 |
25 |
220 |
55 |
50 |
110 |
240 |
140 |
155 |
18 |
120 |
100 |
8 |
19 |
| 1-1/2 |
40 |
40 |
270 |
65 |
60 |
140 |
310 |
160 |
175 |
20 |
140 |
120 |
8 |
19 |
| 2 |
50 |
50 |
300 |
70 |
60 |
140 |
330 |
180 |
200 |
22 |
160 |
135 |
8 |
23 |
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Die Casting Parts