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Characteristics of ceramic ball valve with worm gear
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 ceramic ball valve with worm gear
Design and manufacture | GB/T 12237-2005 |
Structural length | GB/T 12221-2005 |
Flange connection | GB/T 9113.1 |
Inspection test | GB/T 13927-92 |
Pressure and temperature | GB/T 12224 |
After the valve passes the test, it is necessary to eliminate the water in the cavity, dry the cavity with air, apply anti rust oil, and block the two ends of the diameter with covers. | |
The valve surface shall be painted according to the standard or customer’s requirements |
Main parts and materials of worm wheel ceramic ball valve
Serial number | name | Material Science |
1 | End valve cover | WCB |
2 | Mesosoma | WCB |
3 | Middle sleeve | engineering ceramics |
4 | O-ring | Fluororubber |
5 | Flange sleeve | engineering ceramics |
6 | sphere | engineering ceramics |
7 | O-ring | Fluororubber |
8 | Disc spring | 50CrVA |
9 | Septum | 304 |
10 | Stem | 2Cr13 |
11 | filler | PTFE |
12 | Hexagon nut | 8级 |
13 | Equal length double head nut | Outsourcing |
14 | Packing gland | WCB |
15 | Bracket | |
16 | Worm gear | |
17 | Large gasket | PTFE |
18 | valve seat | ceramics |
Drawing of worm gear ceramic ball valve
Main connecting dimensions of worm wheel ceramic ball valve
DN | L | D | D1 | D2 | C | f | H | n-d |
15 | 130 | 95 | 65 | 45 | 14 | 2 | 86 | 4-Φ14 |
20 | 130 | 105 | 75 | 56 | 16 | 2 | 95 | 4-Φ14 |
25 | 140 | 115 | 85 | 65 | 16 | 2 | 108 | 4-Φ14 |
32 | 165 | 140 | 100 | 76 | 18 | 2 | 115 | 4-Φ18 |
40 | 165 | 150 | 110 | 84 | 18 | 2 | 115 | 4-Φ18 |
50 | 203 | 165 | 125 | 99 | 20 | 2 | 115 | 4-Φ18 |
65 | 222 | 185 | 145 | 118 | 20 | 2 | 115 | 4-Φ18 |
80 | 241 | 200 | 160 | 132 | 20 | 2 | 145 | 8-Φ18 |
100 | 305 | 220 | 180 | 156 | 22 | 2 | 188 | 8-Φ18 |
125 | 356 | 250 | 210 | 184 | 22 | 2 | 210 | 8-Φ18 |
150 | 394 | 285 | 240 | 211 | 24 | 2 | 260 | 8-Φ22 |
200 | 457 | 340 | 295 | 266 | 24 | 2 | 320 | 8-Φ22 |
250 | 533 | 395 | 350 | 319 | 26 | 2 | 368 | 12-Φ22 |