美標(biāo)球閥和法蘭閘閥是同屬一個類型的閥門，區(qū)別在它的關(guān)閉件是個球體，球體繞閥體中心線作旋轉(zhuǎn)來達(dá)到開啟、關(guān)閉的一種閥門。
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 硝酸類 醋酸類 | 適用溫度 | ≤200℃ |
主要零件材料 |
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(qiáng)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 |
公稱通徑NPS | 單位 | L | D | T | G | C | n-φd | W | H | in | mm | 1/2" | 15 | mm | 140 | 95 | 15 | 35 | 66.5 | 4-15 | 115 | 72 | in | 5.51 | 3.74 | 0.59 | 1.38 | 2.62 | 4-0.59 | 4.53 | 28.3 | 3/4" | 20 | mm | 152 | 117 | 16 | 43 | 82.5 | 4-19 | 115 | 76 | in | 5.98 | 4.61 | 0.62 | 1.69 | 3.25 | 4-0.75 | 4.53 | 29.9 | 1" | 25 | mm | 165 | 124 | 18 | 51 | 89 | 4-19 | 150 | 92 | in | 6.5 | 4.9 | 0.71 | 2 | 3.5 | 4-0.75 | 5.9 | 3.62 | 11/2" | 40 | mm | 190 | 156 | 20.7 | 73 | 114.5 | 4-22 | 200 | 123 | in | 7.5 | 6.12 | 0.81 | 2.88 | 4.51 | 4-0.88 | 7.87 | 4.84 | 2" | 50 | mm | 216 | 165 | 22.3 | 92 | 127 | 8-19 | 200 | 132 | in | 8.5 | 6.5 | 0.88 | 3.62 | 5 | 8-0.75 | 7.87 | 5.20 | 21/2" | 65 | mm | 241 | 190 | 25.4 | 105 | 149 | 8-22 | 320 | 164 | in | 9.5 | 7.5 | 1 | 4.12 | 5.87 | 8-0.88 | 12.6 | 6.45 | 3" | 80 | mm | 283 | 210 | 28.5 | 127 | 168.5 | 8-22 | 320 | 173 | in | 11.25 | 8.25 | 1012 | 5 | 6.62 | 8-0.88 | 12.6 | 6.8 | 4" | 100 | mm | 305 | 254 | 31.8 | 157 | 200 | 8-22 | 450 | 210 | in | 12 | 10 | 1.25 | 6.19 | 7.88 | 8-0.88 | 17.72 | 8.26 | 6" | 150 | mm | 403 | 318 | 36.6 | 216 | 270 | 12-22 | 1120 | 336 | in | 15.875 | 12.5 | 1.44 | 8.5 | 10.62 | 12-0.88 | 44.10 | 13.23 | 8" | 200 | mm | 502 | 381 | 42 | 270 | 330 | 12-25 | 1420 | 385 | in | 19.76 | 15 | 16.5 | 10.62 | 12.99 | 12-1 | 55.12 | 15.16 | 10" | 250 | mm | 568 | 444 | 48 | 324 | 387.5 | 16-29 | 1420 | 370 | in | 22.36 | 17.50 | 1.89 | 12.75 | 15.25 | 16-1.12 | 55.12 | 14.56 |
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