氣動(dòng)三通球閥結(jié)構(gòu)特點(diǎn)及用途
公稱壓力PN | 常溫zui大工作壓力 | 殼體試驗(yàn)壓力 | 氣密封試驗(yàn)壓力 | 高壓密封試驗(yàn)壓力 |
1.6 | 1.6 | 2.4 | 0.6 | 1.76 |
2.5 | 2.5 | 3.8 | 0.6 | 2.75 |
4 | 4 | 6 | 0.6 | 4.4 |
C1aSSl50 | 2 | 3 | 0.6 | 2.2 |
殼體材料 | 閥座材料 | 適用溫度 | 適用介質(zhì) |
碳鋼C型 | 聚四氟乙烯 | ≤150℃ | 水\蒸汽 |
對(duì)位聚苯 | ≤300℃ | 油晶等 | |
鉻鎳鈦鋼P型 | 聚四氟乙烯 | ≤150℃ | 硝酸類 |
對(duì)位聚苯 | ≤200℃ | | |
鉻鎳鉬鈦鋼R型 | 聚四氟乙烯 | ≤150℃ | 醋酸類 |
對(duì)位聚苯 | ≤200℃ | |
閥體\閥蓋 | GB | WCB | ZGlCrl8Ni9Ti | ZGOCfl8Nil2M02Ti | |||
ASTM | WCB | CF8 | CF8M | ||||
球體 | GB | 2Cfl3 | 1Cfl8Ni9Ti | 0Cfl8Ni12M02Ti | |||
ASTM | 420 | 304 | 316 | ||||
閥桿 | GB | 2Crl3 | 1Crl8Ni9Ti | 0Crl8Ni12M02Ti | |||
ASTM | 420 | 304 | 316 | ||||
閥座\密封面 | GB | 聚四氟乙烯 | 對(duì)位聚苯 | 聚四氟乙烯 | 對(duì)位聚苯 | 聚四氟乙烯 | 對(duì)位聚苯 |
ASTM | 聚四氟乙烯 | 對(duì)位聚苯 | 聚四氟乙烯 | 對(duì)位聚苯 | 聚四氟乙烯 | 對(duì)位聚苯 | |
填料 | GB | 聚四氟乙烯 | 柔性石墨 | 聚四氟乙烯 | 柔性石墨 | 聚四氟乙烯 | 柔性石墨 |
ASTM | 聚四氟乙烯 | 柔性石墨 | 聚四氟乙烯 | 柔性石墨 | 聚四氟乙烯 | 柔性石墨 | |
螺栓 | GB | 35 | 0Crl8Ni9 | 0Crl8Ni9 | |||
ASTM | A193B7 | A320-B8 | A320-B8 | ||||
螺母 | GB | 45 | 0Cfl8Ni9 | 0Crl8Ni9 | |||
ASTM | A1942H | A194-8 | A194-8 |
公稱壓力 | 公稱通徑 | L | L1 | H | W | 重量(kg) | |||||
Mpa | mm | in | mm | mm | mm | mm | 1.6 | 2.5 | 4 | CL150 | JIS10K |
1.6 2.5 4 CL150 JIS10K | 15 | 1/2 | 130 | 65 | 62 | 100 | 2.5 | 3 | 3.5 | 2.5 | 2.5 |
20 | 3/4 | 150 | 75 | 68 | 160 | 3 | 3.5 | 4.5 | 3 | 3.6 | |
25 | 1 | 160 | 80 | 75 | 160 | 4.8 | 5 | 6 | 5 | 5 | |
32 | 11/4 | 180 | 90 | 85 | 200 | 6.5 | 7 | 8.5 | 7 | 7 | |
40 | 11/2 | 200 | 100 | 95 | 200 | 8.5 | 9 | 10.5 | 9 | 9 | |
50 | 2 | 230 | 115 | 110 | 250 | 11 | 12 | 14 | 12 | 11 | |
65 | 21/2 | 290 | 145 | 130 | 300 | 15 | 17 | 20 | 16 | 16 | |
80 | 3 | 310 | 155 | 155 | 400 | 21 | 22 | 32 | 21 | 22 | |
100 | 4 | 350 | 175 | 180 | 500 | 33 | 36 | 50 | 36 | 36 | |
125 | 5 | 400 | 200 | 250 | 600 | 65 | 70 | 80 | 68 | 70 | |
150 | 6 | 480 | 240 | 275 | 800 | 103 | 110 | 120 | 105 | 105 | |
200 | 8 | 580 | 290 | 325 | 1000 | 152 | 168 | 180 | 160 | 160 |