API
cast steel globe valves |
| |
|
| Major performance standards |
Pressure level |
Test pressureps/MPa |
Working density/¡æ |
Suitable
Medium |
Shell |
Seal (liquid) |
Seal (gas) |
On the seal |
150Lb |
3.1 |
2.2 |
0.6 |
2.2 |
¡Ü425 |
Water, oil, steam, etc. |
300Lb |
7.8 |
5.6 |
0.6 |
5.6 |
400Lb |
10.3 |
7.6 |
0.6 |
7.6 |
|
| Implementation of the
standards |
Project |
Product Design |
Pressure and temperature rating |
Length Structure |
Link size |
Inspection and acceptance |
Standard |
ANSI B16.34 |
ANSI B16.34 |
ANSI B16.10 |
ANSI B16.5 |
AP1598 |
|
| Material for main parts |
Part name |
Body donnet Packing gland
|
Valve |
Stem |
Packing |
Stem nut |
Hand wheel |
Headed bolts |
Material |
A216-WCB |
A105-77 |
A276-420 |
Flexible Graphite |
A439D2 |
A-197 |
A-193B7 |
|
| |
