| |
| JIS 20K JACKET GLOBE VALVE OF Y MODEL VACUUM (2) |
 |
 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
|
| |
| Size | mm |
| Specs |
d |
L |
L1 |
H |
W |
Flanged dimensions |
| Inch |
mm |
o |
t |
c |
c2 |
c3 |
g |
Bolt
quantity |
Bolt aperture |
| 2-1/2 |
65 |
65 |
350 |
80 |
355 |
224 |
210 |
24 |
170 |
109 |
131 |
145 |
8 |
23 |
| 3 |
80 |
80 |
400 |
100 |
400 |
280 |
225 |
24 |
185 |
124 |
146 |
160 |
8 |
23 |
|
|
Globe Valve:
Die Casting Parts