Marine flange cast steel valve
Our company mainly produces more than 70 kinds of products such as liquid level gauge, gas (liquid) quick-closing valve and quick-closing valve control box, ball valve, drain valve group, decompression valve group, linkage valve group, filter, mud box, chemical cleaning unit, oxygen acetylene gas device, small shaft transmission device, etc. The products cover marine piping accessory system. Products can provide CCS, GL, LR, BV, ABS, DNV, NK, KR and other classification society certification.
Key words:
Marine Products | Level Gauges and Level Controllers | Marine Valves and Manifolds
Classification:
Product Consulting:
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Product Description
General
Marine flange cast steel valve for the ship fresh water, oil, fuel and temperature t ≤ 300 ℃ steam pipe.
The basic parameters are shown in Table 1
Table 1
| name | PN（Mpa） | DN（mm） | Type |
| Flange cast steel globe valve GB11689~89 | 2.5 | 15~150 |
A - through type B - through type |
| Flange cast steel cut - off valve GB11688~89 | 2.5 | 15~150 | |
| Flange cast steel check valve GB11690~89 | 2.5 | 15~150 |
The main parts of the material according to Table 2
Table 2
| Part Name | material |
| Body and bonnet | ZG230-350 |
| Valve plate | 25 |
| Valve stem | 2Cr13 |
structure size
2.5MPa flange cast steel globe valve (GB11688-89) structure size shown in Figure 3, Figure 4 and Table 4
|
Nominal Diameter DN |
Structural Dimension | Flange | Bolt | Hand Wheel | Lift Range |
Weight (Kg) |
||||||||||
| L | H≈ | |||||||||||||||
| A type | B type | A type | B type | D | D1 | D2 | d | b | n | Th | Do | S | m | A type | B type | |
| 15 | 130 | 95 | 217 | 203 | 95 | 65 | 47 | 14 | 14 | 4 | M12 | 80 | 8 | 7 | 4.80 | 4.70 |
| 20 | 150 | 105 | 75 | 58 | 16 | 5.00 | 4.90 | |||||||||
| 25 | 160 | 100 | 115 | 85 | 68 | 5.60 | 5.50 | |||||||||
| 32 | 180 | 105 | 236 | 216 | 140 | 100 | 78 | 18 | 18 | M16 | 100 | 9 | 9 | 7.40 | 6.70 | |
| 40 | 200 | 115 | 260 | 236 | 150 | 110 | 88 | 120 | 11 | 11 | 9.70 | 8.90 | ||||
| 50 | 230 | 125 | 288 | 258 | 165 | 125 | 102 | 20 | 140 | 12 | 14 | 13.8 | 12.7 | |||
| 65 | 290 | 145 | 335 | 301 | 185 | 145 | 122 | 22 | 8 | 160 | 14 | 18 | 19.8 | 17.8 | ||
| 80 | 310 | 155 | 366 | 325 | 200 | 160 | 133 | 24 | 200 | 17 | 24 | 25.8 | 22.8 | |||
| 100 | 350 | 175 | 427 | 378 | 235 | 190 | 158 | 22 | M20 | 250 | 22 | 35 | 35.7 | 32.1 | ||
| 125 | 400 | 200 | 493 | 432 | 270 | 220 | 184 | 26 | 26 | M24 | 280 | 24 | 44 | 60.3 | 56.0 | |
| 150 | 480 | 225 | 556 | 484 | 300 | 250 | 212 | 28 | 320 | 27 | 57 | 82.2 | 73.6 | |||
2.5MPa flange cast steel cut-off valve (GB11690 ~ 89) of the structural dimensions shown in Figure 5, Figure 6 and Table 5
|
Nominal Diameter DN |
Structural Dimension | Flange | Bolt | Lift Range | Weight (Kg) | |||||||||
| L | H≈ | |||||||||||||
| A type | B type | A type | B type | D | D1 | D2 | d | b | n | Th | m | A type | B type | |
| 15 | 130 | 95 | 84 | 70 | 95 | 65 | 47 | 14 | 14 | 4 | M12 | 7 | 3.56 3.84 4.41 | 3.48 3.74 4.31 |
| 20 | 150 | 105 | 75 | 58 | 16 | |||||||||
| 25 | 160 | 100 | 115 | 85 | 68 | |||||||||
| 32 | 180 | 105 | 90 | 70 | 140 | 100 | 78 | 18 | 18 | M16 | 9 | 6.17 | 6.10 | |
| 40 | 200 | 115 | 99 | 75 | 150 | 110 | 88 | 12 | 7.64 | 6.84 | ||||
| 50 | 230 | 125 | 110 | 81 | 165 | 125 | 102 | 20 | 15 | 9.46 | 8.36 | |||
| 65 | 290 | 145 | 128 | 94 | 185 | 145 | 122 | 22 | 8 | 19 | 14.5 | 12.5 | ||
| 80 | 310 | 155 | 156 | 115 | 200 | 160 | 133 | 24 | 23 | 16.0 | 13.0 | |||
| 100 | 350 | 175 | 158 | 119 | 235 | 190 | 158 | 22 | M20 | 28 | 27.0 | 23.4 | ||
Tag example
1, PN2.5MPa, DN15 flange cast steel through the valve marked as: closing valve A25015 GB11689 ~ 89
2, PN2.5MPa, DN15 flange cast steel right angle cut-off valve marked as: cut-off check valve B25015 GB11688 ~ 89
3, PN2.5MPa, DN15 flange steel direct check valve marked as: check valve A25015 GB11690 ~ 89
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