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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 (3) |
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 Applicable standards:
1. Flanged dimensions as per JIS B2214
2. Jacket connection flange dimensions as per JIS B2214, DN25RF
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 |
1.5 Mpa |
| Air |
1.1 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 |
c2 |
c4 |
g |
Bolt
quantity |
Bolt aperture |
| 4 |
100 |
100 |
450 |
115 |
75 |
210 |
480 |
400 |
305 |
28 |
260 |
189 |
216 |
230 |
12 |
25 |
| 5 |
125 |
125 |
500 |
130 |
80 |
230 |
550 |
400 |
350 |
30 |
305 |
229 |
261 |
275 |
12 |
25 |
| 6 |
150 |
150 |
570 |
155 |
95 |
230 |
580 |
500 |
350 |
30 |
305 |
229 |
261 |
275 |
12 |
25 |
| 8 |
200 |
200 |
690 |
195 |
95 |
270 |
750 |
600 |
430 |
34 |
380 |
294 |
326 |
345 |
12 |
27 |
| 10 |
250 |
250 |
900 |
240 |
115 |
300 |
855 |
600 |
480 |
36 |
430 |
339 |
376 |
395 |
16 |
27 |
| 12 |
300 |
300 |
990 |
295 |
115 |
350 |
990 |
800 |
540 |
40 |
480 |
379 |
416 |
440 |
16 |
33 |
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Die Casting Parts