Structural characteristics of forged steel ceramic ball valve
1. The thickness of valve shell exceeds the requirements of standard data, with three-stage structure design and solid shape. Beautiful appearance
2. The sealing surface is precisely ground to ensure zero leakage
3. All the materials in contact with the medium are structural ceramics with high wear resistance. Oxidation resistance and corrosion resistance
Application Specification for forged steel ceramic ball valve
Design and manufacture | ASME B16.34 | |
Connection end size | Structural length | ASME B16.10 |
Flange size | ASME B16.5 | |
Inspection and test | API 598 | |
All external surfaces of valve body shall be machined |
Main parts and materials of forged steel ceramic ball valve
Serial number | name | Material Science |
1 | End valve cover | F304 |
2 | Mesosoma | F304 |
3 | Middle sleeve | alumina ceramic |
4 | O-ring | Fluororubber |
5 | Flange sleeve | alumina ceramic |
6 | The Ball | alumina ceramic |
7 | O-ring | Fluororubber |
8 | Disc spring | 50 CrVA |
9 | Washer | 304 |
10 | Stem | Z276 |
11 | filler | PTFE |
12 | Hexagon nut | 8 |
13 | Bolt | B8 |
14 | Packing gland | 304 |
15 | Limiting plate | 304 |
16 | Handle | 304 |
17 | Fixing screw | B8 |
18 | valve seat | alumina ceramic |
Main connecting dimensions of forged steel ceramic ball valve
NPS | L | d | D | D1 | D2 | C | F | H | n-M |
1/2″ | 108 | 10 | 89 | 60.5 | 35 | 11.2 | 1.6 | 80 | 4-M14 |
3/4″ | 117 | 15 | 99 | 70 | 43 | 12.7 | 1.6 | 95 | 4-M14 |
1″ | 127 | 20 | 108 | 79.5 | 51 | 14.2 | 1.6 | 110 | 4-M14 |
1-1/2″ | 165 | 32 | 127 | 98.5 | 73 | 15.7 | 1.6 | 142 | 4-M14 |
2″ | 178 | 40 | 152.5 | 120.5 | 92 | 19 | 1.6 | 185 | 4-M16 |
2-1/2″ | 190 | 50 | 178 | 140 | 105 | 19 | 1.6 | 210 | 4-M16 |
3″ | 203 | 65 | 190 | 152.5 | 127 | 24 | 1.6 | 230 | 4-M16 |
4″ | 229 | 80 | 229 | 190.5 | 157 | 24 | 1.6 | 265 | 8-M16 |
5″ | 245 | 100 | 254 | 216 | 186 | 24 | 1.6 | 305 | 8-M20 |
6″ | 267 | 125 | 279 | 241.5 | 216 | 25.4 | 1.6 | 340 | 8-M20 |
8″ | 292 | 150 | 340 | 298.5 | 270 | 28.4 | 1.6 | 420 | 8-M20 |
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