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| Design of Cast Steel Globe Valve With Rising Stem(OS&Y) |
| Remark:1.Type of end connection referred to Appendix Ⅰ |
| 2.Type of body and bonnet connection referred to Appendix Ⅷ |
| 3.seal type of disc and seat referred to Appendix Ⅶ |
| 4.Stem packing structure referred to Appendix Ⅸ |
| 5.Valve operation referred to Appendix Ⅹ |
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| BS1873 Materials List for BS1873 Cast Steel Globe Valve With Rising Stem(OS&Y) |
NO. |
Part Name |
Carbon Steel |
Stainless Steel |
Alloy Steel |
Low Temperature Steel |
1 |
Body |
A216 GR WCB |
A351 GR CF8 |
A217 GR WC6 |
A352 GR LCB |
2 |
Seat |
A105 |
- |
A182 GR F304 |
A182 GR F304 |
3 |
Disk |
A216 GR WCB |
A351 GR CF8 |
A217 GR WC6 |
A352 GR LCb |
4 |
Stem |
A276 TYPE 410 |
A276 TYPE 304 |
A182 GR F22 |
A276 TYPE 304 |
5 |
Stud |
A193 GR B7 |
A193 GR 8 |
A193 GR B7 |
A193 GR 8 |
6 |
Nut |
A194 GR 2H |
A194 GR B8 |
A194 GR 4 |
A194 GR B8 |
7 |
Back Seat |
A182 GR F6a |
A182 GR F304 |
A182 GR F304 |
A182 GR F304 |
8 |
Gasket |
Graphite+SS304 |
9 |
Packing |
Graphite |
10 |
Pin |
A194 GR 2H |
A276 TYPE 304 |
A276 TYPE 410 |
A276 TYPE 304 |
11 |
Packing Bushing |
A182 GR F6a |
A182 GR F304 |
A182 GR F6a |
A182 GR F304 |
12 |
Eyebolt |
A193 GR B7 |
A193 GR B8 |
A193 GR B7 |
A194 GR B8 |
13 |
Eyebolt Nut |
A194 GR 2H |
A193 GR 8 |
A193 GR 4 |
A193 GR 8 |
14 |
Gland |
A216 GR WCB |
A351 GR CF8 |
A216 GR WCB |
A352 GR LCB |
15 |
Bonnet |
A216 GR WCB |
A351 GR CF8 |
A216 GR WCB |
A352 GR LCB |
16 |
Stem Nut |
B148 UNS C95600 |
B148 UNS C95600 |
B148 UNS C95600 |
B148 UNS C95600 |
17 |
Handwheel |
A197 |
A197 |
A197 |
A197 |
18 |
Handwheel Nut |
A108 GR 1020 |
A182 GR F304 |
A108 GR 1020 |
A108 GR F304 |
| Remark:1、Pressure and temperature rating of casing material referred to Appendix Ⅻ |
| 2、Chemical compositions and mechanical property of casing material referred to Appendix Ⅺ |
| 3、Trim materials and recommended service coverage referred to Appendix ⅩⅢ |
| BS Cast Steel Globe Valve Technical Specification |
| Design Standard |
BS1873 ASME B16.34 |
| Pressure-Temperature Rating |
ASME B16.34 |
| Face-Face |
ASME B16.10 |
| Flange Ends |
ASME B16.5 |
| Buttwelding Ends |
ASMe 16.25 |
| Inspection & Test |
API598 |
| Norminal Pressure(Class) |
150 |
300 |
400 |
600 |
900 |
1500 |
(Mpa)
TestPressure |
Shell Test |
2.93 |
7.55 |
10.0 |
15.0 |
22.5 |
37.5 |
| High Pressure Seal Test |
2.07 |
5.52 |
7.31 |
11.03 |
16.5 |
27.5 |
| Low Pressure Seal Test |
0.6 |
| Applicable Temperature |
-196℃～550℃ |
| Applicable Medium |
Water,oil,gas and other causticity meduium(Different raw material for different medium |
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