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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 | hexagon head bolt | 35#+ Zn plating | 35#+ Zn plating | 35#+ Zn plating | 304 | 316 | F51 | 1 |
3 | steel ball | 440C | 440C | 440C | 440C | 440C | Monel | 1 |
Δ.Note: inner hexagonal screw could be used instead of outer one as per customers' request.
Δ.Specification
S/N | NPT thread size | Type | Size | Material size | ||
L1 | L2 | ΦA | S(Hex) | |||
1 | 1/4"-18NPT | DSV0-C | 34,38 | 17 | 2.5 | 17 |
2 | 3/8"-18NPT | DSV0-D | 29,40 | 21 | 3 | 19 |
3 | 1/2"-14NPT | DSV0-E | 29,40 | 21 | 3 | 22 |
4 | 3/4"-14NPT | DSV0-F | 33,40 | 21 | 3 | 27 |
5 | 1"-111/2NPT | DSV0-G | 37,54 | 25 | 5 | 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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