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Δ.Materials for main parts
S/N | Description | Materials | Assy Qty | |||||
Type A | Type B | Type C | Type D | Type E | Type F | |||
1 | body | A105+Zn plating | LF2+Zn plating | 4140+Zn plating | 304 | 316 | F51 | 1 |
2 | steel ball | 440C | 440C | 440C | 440C | 440C | Monel | 1 |
3 | spring seat | 410/420 | 410/420 | 410/420 | 304 | 316 | F51 | 1 |
4 | spring | 410/420 | 410/420 | 410/420 | 304 | 316 | X-750 | 1 |
Δ. Specification
S/N | NPT thread size | Type | L1 | Size | Material size | |
φA | L2 | S | ||||
1 | 1/8"-27NPT | GV0-B | 25\30\35\40\45\50\50+10×n\……180 | 16.5 | 15 | 22 |
2 | 1/4"-18NPT | GV0-C | 16.5 | 15 | 22 | |
3 | 3/8"-18NPT | GV0-D | 22 | 20.5 | 22 | |
4 | 1/2"-14NPT | GV0-E | 22 | 20.5 | 22 | |
Δ. Technical parameters
Item | Parameters | Remarks |
Shell liquid test pressure | 35~135MPa | No leakage under the pressure in 3 minutes |
Seal liquid test pressure | 35~135MPa | No leakage under the pressure in 3 minutes |
Gas test pressure | 0.6MPa | No leakage under the pressure in 3 minutes |
Suitable temperature | -50℃~200℃ | according to material properties |
Suitable medium | liquid or gas |
Δ. Application:
The oil fittings can be installed at the rotating parts of the valve stem. When the rotation of valve stem is not normal, the lubrication oil or grease can be filled through the fittings to lubricate.
Δ. Note:
1. surface treatment: Fe/Ep\Zn8.
2. the other requirements of customers could be satisfied, including material, material specification, outside size, length, connecting thread, surface treatment, etc.
3. product surface was identified according to the actual material.
4. it was also named by oil (grease) fittings without cap.
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