球閥在管路中主要用來做切斷、分配和改變介質(zhì)的流動方向。球閥是近年來被廣泛采用的一種新型閥門.
公稱壓力(PN) | 1.6 | 2.5 | 4.0 | 6.4 |
殼體試驗壓力 | 2.4 | 3.8 | 6.0 | 9.6 |
密封試驗(液) | 1.8 | 2.8 | 4.4 | 7.0 |
密封試驗(氣) | 0.5~0.7 | |||
適用介質(zhì) | C P R 水、油品、蒸氣 酸類 醋酸類 | |||
適用溫度 | ≤200℃ |
名稱 | WCB類 | CF8類 | CF3類 | CF8M類 | CF3M類 | |
閥體左體 | A216-WCB | A315-CF8 | A35-CF3 | A351-CF8M | A351-CF3M | |
球體 | B2-B8 | A105-1025 | A182-F304L | A182-F304L | A132-F316 | A182-F316L |
B8以上 | A216-WCB | A351-CF8M | A351-CF3 | A351-CF8M | A351-CF3M | |
閥桿 | A182-F6a | A182-F304 | A182-F304L | A182-F336 | A182-F316L | |
閥座 | PTFE/增強PTFE/NYLIN PTFE/Reinforced PTFE/Nyion | |||||
閥座支承圈 | A105-1025 | A182-F304 | A182-F304L | A182-F316 | A182-F316L | |
彈簧 | | 3yc-7/17-49H | ||||
O形圈 | NBR | 氟橡膠 | ||||
螺柱 | A193-B7 | A193-B8 | ||||
螺母 | A194-2H | A194-8 |
公稱通徑NPS | 單位 | L | D | T | G | C | n-φd | W | H | |
in | mm | |||||||||
1/2" | 15 | mm | 108 | 89 | 12 | 35 | 60.5 | 4-15 | 115 | 72 |
in | 4.25 | 3.5 | 0.47 | 1.38 | 2.38 | 4-0.59 | 4.53 | 28.3 | ||
3/4" | 20 | mm | 117 | 98 | 12 | 43 | 70 | 4-15 | 115 | 76 |
in | 4.61 | 3.86 | 0.47 | 1.69 | 2.76 | 4-0.59 | 4.53 | 29.9 | ||
1" | 25 | mm | 127 | 108 | 12 | 51 | 79.5 | 4-15 | 150 | 92 |
in | 5 | 4.25 | 0.47 | 2 | 3.13 | 4-0.59 | 5.9 | 3.62 | ||
11/2" | 40 | mm | 165 | 127 | 14.3 | 73 | 98.5 | 4-16 | 200 | 123 |
in | 6.5 | 5 | 0.56 | 2.88 | 3.88 | 4-0.62 | 7.87 | 4.84 | ||
2" | 50 | mm | 178 | 152 | 15.9 | 92 | 120.5 | 4-19 | 200 | 132 |
in | 7 | 6.00 | 0.625 | 3.62 | 4.75 | 4-0.75 | 7.87 | 5.20 | ||
21/2" | 65 | mm | 190 | 178 | 17.5 | 105 | 139.5 | 4-19 | 320 | 164 |
in | 7.5 | 7 | 0.69 | 4.12 | 5.5. | 4-0.75 | 12.6 | 6.45 | ||
3" | 80 | mm | 203 | 190 | 19.1 | 127 | 152.4 | 4-19 | 320 | 173 |
in | 8 | 7.50 | 0.75 | 5 | 6 | 4-0.75 | 12.6 | 6.8 | ||
4" | 100 | mm | 229 | 229 | 23.9 | 157 | 190.5 | 8-19 | 450 | 210 |
in | 9 | 9 | 0.94 | 6.19 | 7.5 | 8-0.75 | 17.72 | 8.26 | ||
6" | 150 | mm | 394 | 279 | 26 | 216 | 241.5 | 8-22 | 8000 | 288 |
in | 15.5 | 10.98 | 1.02 | 8.5 | 9.50 | 8-0.88 | 31.5 | 1.34 | ||
8" | 200 | mm | 457 | 343 | 29 | 270 | 298.5 | 8-22 | 1120 | 374 |
in | 18.00 | 13.50 | 1.12 | 10.62 | 11.75 | 8-0.88 | 44.10 | 14.72 | ||
10" | 250 | mm | 533 | 406 | 31 | 324 | 362 | 12-25 | 1420 | 366 |
in | 20.98 | 16 | 1.2 | 12.75 | 14.75 | 12-1 | 55.12 | 14.40 | ||
12" | 300 | mm | 610 | 483 | 32 | 381 | 432 | 12-25 | 1420 | 412 |
in | 24 | 19 | 1.26 | 15 | 17 | 12-1 | 55.12 | 16.22 |