Marine Quick-closing Valve GB/T5744-93
- Application: Suitable for Sea water, Fresh water, Fuel oil and steam (t≤220℃)
- Nominal Size: DN20-DN150
- Nomimal Pressure: 0.25Mpa
- Type: AS\AQ\ASS\AQS, BS\BQ\BSS\BQS
Material
Name | Material | Mark |
Body, Cover | Cast Steel | ZG230-45 |
Disc | Carbon Steel | Steel 45# |
Cylinder Body | Cast Aluminum Bronze | ZQA19-2 |
Stem | Stainless Steel | 2Cr13 |
Piston | Zine Brass | H62 |
Nominal Size mm |
D mm |
C mm |
n-d | L AS mm |
L BS mm |
H AS mm |
H BS mm |
20 | 90 | 65 | 4-Ø11 | 150 | 90 | 240 | 320 |
25 | 100 | 75 | 4-Ø11 | 160 | 100 | 242 | 325 |
32 | 120 | 90 | 4-Ø14 | 180 | 105 | 245 | 330 |
40 | 130 | 100 | 4-Ø14 | 200 | 115 | 274 | 365 |
50 | 140 | 110 | 4-Ø14 | 230 | 125 | 283 | 381 |
65 | 160 | 130 | 4-Ø14 | 290 | 145 | 325 | 437 |
80 | 190 | 150 | 4-Ø18 | 310 | 155 | 350 | 466 |
100 | 210 | 170 | 4-Ø18 | 350 | 175 | 375 | 500 |
125 | 240 | 200 | 4-Ø20 | 400 | 200 | 400 | 540 |
150 | 295 | 225 | 4-Ø20 | 480 | 225 | 430 | 580 |