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API Gate Valves |
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| Design of Cast Steel Gate Valve With Rising Stem(OS&Y) |
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| Remark:1.Type of end connection referred to Appendix I |
| 2.Type of body and bonnet connection referred to Appendix Ⅷ |
| 3.Type of disc structure referred to Appendix Ⅵ |
| 4.Type of body and seat connection referred to Appendix Ⅶ |
| 5.Stem packing structure referred to Appendix Ix |
| 6.Valve operation referred to Appendix X |
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| Materials list for API600 Cast Steel Gate Valve With Rising Stem (OS & Y) |
| No. |
Part Name |
Carbon Steel |
Stainless Steel |
Alloy Steel |
Low Temperature Steel |
| 1 |
Body |
ASTM A216 GR WCB |
ASTM A351 GR CF8 |
ASTM A217 GR WC6 |
ASTM A352 GR LCB |
| 2 |
Wedge |
ASTM A216 GR WCB |
ASTM A351 GR CF8 |
ASTM A217 GR WC6 |
ASTM A352 GR LCB |
| 3 |
Seat |
ASTM A105 |
- |
ASTM A182 GR F304 |
ASTM A182 GR F304 |
| 4 |
Gasket |
柔性石墨＋SS304 Soft Graphite+SS304 |
| 5 |
Nut |
ASTM A194 GR 2H |
ASTM A194 GR B8 |
ASTM A194 GR 4 |
ASTM A194 GR B8 |
| 6 |
Stud |
ASTM A193 GR B7 |
ASTM A193 GR 8 |
ASTM A193 GR B7 |
ASTM A193 GR 8 |
| 7 |
Back Seat |
ASTM A182 GR F6a |
ASTM A182 GR F304 |
ASTM A182 GR F304 |
ASTM A182 GR F304 |
| 8 |
Packing |
Soft Graphite |
| 9 |
Bonnet |
ASTM A216 GR WCB |
ASTM A351 GR CF8 |
ASTM A217 GR WC6 |
ASTM A352 GR LCB |
| 10 |
Pin |
ASTM A194 GR 2H |
ASTM A276 TYPE 304 |
ASTM A276 TYPE 410 |
ASTM A276 TYPE 304 |
| 11 |
Packing Bushing |
ASTM A182 GR F6a |
ASTM A182 GR F304 |
ASTM A182 GR F6a |
ASTM A182 GR F304 |
| 12 |
Gland |
ASTM A216 GR WCB |
ASTM A351 GR CF8 |
ASTM A216 GR WCB |
ASTM A352 GR LCB |
| 13 |
Eyebolt |
ASTM A193 GR B7 |
ASTM A193 GR B8 |
ASTM A193 GR B7 |
ASTM A194 GR B8 |
| 14 |
Eyebolt Nut |
ASTM A194 GR 2H |
ASTM A193 GR 8 |
ASTM A193 GR 4 |
ASTM A193 GR 8 |
| 15 |
Yoke |
ASTM A216 GR WCB |
ASTM A351 GR CF8 |
ASTM A216 GR WCB |
ASTM A352 GR LCB |
| 16 |
Stem |
ASTM A276 TYPE 410 |
ASTM A276 TYPE 304 |
ASTM A182 GR F22 |
ASTM A276 TYPE 304 |
| 17 |
Stem nut |
ASTM B148 UNS C95600 |
ASTM B148 UNS C95600 |
ASTM B148 UNS C95600 |
ASTM B148 UNS C95600 |
| 18 |
Bearing |
- |
| 19 |
Grease Cup |
Copper Alloy |
| 20 |
Stem Nut Retainer |
ASTM A108 GR 1020 |
ASTM A182 GR F304 |
ASTM A108 GR 1020 |
ASTM A182 GR F304 |
| 21 |
Handwheel |
ASTM A197 |
ASTM A197 |
ASTM A197 |
ASTM A197 |
| 22 |
Handwheel Nut |
ASTM A108 GR 1020 |
ASTM A182 GR F304 |
ASTM A108 GR 1020 |
ASTM A182 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 |
| DesiC7EBFC |
API600 API603 |
| Pressure-Temperature Rating |
ASME B16.34 |
| Face-face |
ASME B16.10 |
| Flange Ends |
ASM3 B16.5、ASME B16.47 |
| Buttwelding Ends |
ASME B16.25 |
| Inspection & Test |
API598 |
| Norminal Pressure(Class) |
150 |
300 |
400 |
600 |
900 |
1500 |
2500 |
| Test Pressure |
Shell Test |
2,93 |
7.55 |
10.0 |
15.0 |
22.5 |
37.5 |
63.0 |
| High Pressure Seal Test |
2.07 |
5.52 |
7.31 |
11.03 |
16.5 |
27.5 |
46.0 |
| Low Pressure Seal Test |
0.6 |
| Applicable Temperature |
-196℃～55℃
Different raw material for different work temperature |
| Applicable Medium |
Water,Oil,gas and other causticity medium(Different raw material for different medium) |
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