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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 | bolt | 410/420 | 410/420 | 410/420 | 410/420 | 410/420 | 410/420 | 1 |
3 | steel ball | 440C | 440C | 440C | 440C | 440C | Monel | 1 |
4 | flat round rivet | 300 | 300 | 300 | 300 | 300 | 300 | 1 |
Δ.Specification
S/N | NPT thread size | Type | Size | Material size | |
L | ΦA | S | |||
1 | 1/4"-18NPT | DSV1-C | 35 | φ4 | S17(14) |
2 | 3/8"-18NPT | DSV1-D | 35 | φ4 | 19 |
3 | 1/2"-14NPT | DSV1-E | 35 | φ4 | 22 |
4 | 3/4"-14NPT | DSV1-F | 35 | φ4 | 27 |
5 | 1"-111/2NPT | DSV1-G | 45 | φ4 | 34 |
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
Suitable to be installed at the lower part of the valve body to discharge the gas or small amount of dirt from the valve cavity.
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.
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