上海川沪阀门有限公司专业生产的QV347型V型球阀是一种芯阀座采用金属,或金属对聚四氟乙烯密封配合的旋转球阀,V型球阀将球阀和蝶阀的佳控制特性结合成一体,既可用作控制调节阀,又可作关断切断阀。其主要特点是: |
QV347V型球阀 |
公称压力PN | 常温大工作压力 | 壳体试验压力 | 气密封试验压力 | 高压密封试验压力 |
1.6 | 1.6 | 2.4 | 0.6 | 1.76 |
2.5 | 2.5 | 3.8 | 0.6 | 2.75 |
4.0 | 4.0 | 6.0 | 0.6 | 4.4 |
6.4 | 6.4 | 9.6 | 0.6 | 7.1 |
Class150 | 2.0 | 3.0 | 0.6 | 2.2 |
Class300 | 5.0 | 7.5 | 0.6 | 5.5 |
阀体、阀盖 | GB | WCB | ZG1Cr18NiTi | ZG0Cr18Ni12Mo2 | ZG15Cr1Mo1V | |||
ASTM | WCB | CF8 | CF8M | WC9 | ||||
球体 | GB | 2Cr13/1Cr18Ni9Ti | 1Cr18Ni9Ti /表面特殊处理 |
0Cr18Ni12Mo2 /表面特殊处理 |
25Cr2Mo1V /表面特殊处理 |
|||
ASTM | CA15 | CF8+HF | CF8M+HF | WC9+HF | ||||
阀杆、固定轴 | GB | 2Cr13 | 1Cr18Ni9Ti | 0Cr18Ni12Mo2 | 25Cr2Mo1V | |||
ASTM | 420 | 304 | 316 | F22a | ||||
阀座 | GB | PTFE | 2Cr13 | PTFE | 1Cr18Ni9Ti | PTFE | 0Cr18Ni12Mo2 | D517 |
ASTM | PTFE | 420 | PTFE | 304 | PTFE | 316 | HF | |
填料 | GB | PTFE | 柔性石墨 | PTFE | 柔性石墨 | PTFE | 柔性石墨 | 柔性石墨 |
ASTM | PTFE | 柔性石墨 | PTFE | 柔性石墨 | PTFE | 柔性石墨 | 柔性石墨 | |
螺栓 | GB | 35 | 0Cr18Ni9 | 0Cr18Ni9 | 15Cr1Mo1V | |||
ASTM | A193 B7 | A320-B8 | A320-B8 | A193-B16 | ||||
螺母 | GB | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 20CrMo | |||
ASTM | A194 2H | A194-8 | A194-8 | A194-4 |
QV347V型球阀 外形尺寸图 |
公称压力 PN(MPa) |
公称通径 DN(mm |
尺 寸(mm) | |||||||
L | D | D1 | D2 | D6 | b | Z-φd | H | ||
1.6 | 25 | 150 | 115 | 85 | 65 | - | 14 | 4-14 | 75 |
32 | 165 | 135 | 100 | 78 | - | 16 | 4-18 | 105 | |
40 | 180 | 145 | 110 | 85 | - | 16 | 4-18 | 95 | |
50 | 200 | 160 | 125 | 100 | - | 16 | 4-18 | 107 | |
65 | 220 | 180 | 145 | 120 | - | 18 | 4-18 | 142 | |
80 | 250 | 195 | 160 | 135 | - | 20 | 8-18 | 152 | |
100 | 280 | 215 | 180 | 155 | - | 20 | 8-18 | 178 | |
125 | 320 | 245 | 210 | 185 | - | 22 | 8-18 | 252 | |
150 | 360 | 280 | 240 | 210 | - | 24 | 8-23 | 272 | |
200 | 400 | 335 | 295 | 265 | - | 26 | 12-23 | 342 |
2.5 | 25 | 150 | 115 | 85 | 65 | - | 16 | 4-14 | 75 |
32 | 165 | 135 | 100 | 78 | - | 18 | 4-18 | 85 | |
40 | 180 | 145 | 110 | 85 | - | 18 | 4-18 | 95 | |
50 | 200 | 160 | 125 | 100 | - | 20 | 4-18 | 107 | |
65 | 220 | 180 | 145 | 120 | - | 22 | 8-18 | 142 | |
80 | 250 | 195 | 160 | 135 | - | 24 | 8-18 | 152 | |
100 | 280 | 230 | 190 | 160 | - | 28 | 8-23 | 178 | |
125 | 320 | 270 | 220 | 188 | - | 30 | 8-25 | 252 | |
150 | 360 | 300 | 250 | 218 | - | 34 | 8-25 | 272 | |
200 | 400 | 360 | 310 | 278 | - | 34 | 12-25 | 342 | |
150 | 400 | 300 | 250 | 218 | 204 | 30 | 8-25 | 272 | |
200 | 502 | 375 | 320 | 282 | 260 | 38 | 12-30 | 342 |
|