三通氣動球閥是由氣動執(zhí)行機構(gòu)和三通閥組成，是一種旋轉(zhuǎn)類切斷調(diào)節(jié)閥門，具有關(guān)閉嚴(yán)密，結(jié)構(gòu)緊湊，重量輕，維修方便等優(yōu)點。廣泛用于氣體、液體、蒸汽、油品等腐蝕性介質(zhì)的管道自動化控制。
三通氣動球閥設(shè)計特性:
1、防火結(jié)構(gòu)設(shè)計
2、ISO 5211平臺設(shè)計便于安裝自動開關(guān)裝置
3、閥桿與閥體之間防靜電裝置
4、閥桿防爆出裝置設(shè)計
三通氣動球閥應(yīng)用標(biāo)準(zhǔn):
1、設(shè)計與制造:GB/T12237, ANSI B16.34, API 608
2、結(jié)構(gòu)長度:GB/T12221，ASME B16.10, JIS B2002
3、法蘭尺寸 : GB/T9113，ASME B16.5, JIS B2212/JIS B2214
4、檢驗與試驗 :GB/T13927
5、防火測試: API 607 4th 1993
6、壁厚:ASME B16.34
三通氣動球閥主要外形尺寸及附圖
公稱壓力 或壓力級 | 公稱通徑 | 尺寸（mm） | ||||||
mm | L | L1 | D | D1 | D2 | b | z-Φd | |
PN1.0MPa | 15 | 130 | 65 | 95 | 65 | 45 | 14 | 4-14 |
| 20 | 150 | 75 | 105 | 75 | 55/58 | 14/16 | 4-14 |
| 25 | 160 | 80 | 115 | 85 | 65/68 | 14/16 | 4-14 |
| 32 | 180 | 90 | 135/140 | 100 | 78 | 16 | 4-18 |
PN1.6MPa | 40 | 200 | 100 | 145/150 | 110 | 85/88 | 16 | 4-18 |
| 50 | 230 | 115 | 160/165 | 125 | 100/102 | 16/18 | 4-18 |
| 65 | 290 | 145 | 180/185 | 145 | 120/122 | 18 | 4-18 |
| 80 | 310 | 155 | 195/200 | 160 | 135/138 | 20 | 4-18 |
| 100 | 350 | 175 | 215/220 | 180 | 155/158 | 20 | 4-18 |
| 125 | 400 | 200 | 245/250 | 210 | 185/188 | 22 | 4-18 |
| 150 | 480 | 240 | 280/285 | 240 | 210/212 | 24/22 | 8-23/8-22 |
PN2.5MPa | 15 | 130 | 65 | 95 | 65 | 45 | 16 | 4-14 |
| 20 | 150 | 75 | 105 | 75 | 55/58 | 16 | 4-14 |
| 25 | 160 | 80 | 115 | 85 | 65/68 | 16 | 4-14 |
| 32 | 180 | 90 | 135/140 | 100 | 78 | 18 | 4-18 |
PN2.5MPa | 40 | 200 | 100 | 145/150 | 110 | 85/88 | 18 | 4-18 |
| 50 | 230 | 115 | 160/165 | 125 | 100/102 | 20 | 4-18 |
| 65 | 290 | 145 | 180/185 | 145 | 120/122 | 22 | 8-18 |
| 80 | 310 | 155 | 195/200 | 160 | 135/138 | 22/24 | 8-18 |
| 100 | 350 | 175 | 230/235 | 190 | 160/162 | 24 | 8-23/8-22 |
| 125 | 400 | 200 | 270 | 220 | 188 | 28/26 | 8-25/8-26 |
| 150 | 480 | 240 | 300 | 250 | 218 | 30/28 | 8-25/8-26 |
PN4.0MPa | 15 | 130 | 65 | 95 | 65 | 45 | 16 | 4-14 |
| 20 | 150 | 75 | 105 | 75 | 55/58 | 16 | 4-14 |
| 25 | 160 | 80 | 115 | 85 | 65/68 | 16 | 4-14 |
| 32 | 180 | 90 | 135/140 | 100 | 78 | 18 | 4-18 |
| 40 | 200 | 100 | 145/150 | 110 | 85/88 | 18 | 4-18 |
| 50 | 230 | 115 | 160/165 | 125 | 100/102 | 20 | 4-18 |
| 65 | 290 | 145 | 180/185 | 145 | 120/122 | 22 | 8-18 |
| 80 | 310 | 155 | 195/200 | 160 | 135/138 | 22 | 8-18 |
| 100 | 350 | 175 | 230/235 | 190 | 160/162 | 24 | 8-23/8-22 |
| 125 | 400 | 200 | 270 | 220 | 188 | 28 | 8-25/8-26 |
| 150 | 480 | 240 | 300 | 250 | 218 | 30 | 8-25/8-26 |
Class150 PN2.0MPa | 15 | 130 | 65 | 89 | 60.5 | 35 | - | 4-15 |
| 20 | 150 | 75 | 98 | 70 | 43 | - | 4-15 |
| 25 | 160 | 80 | 108/110 | 79.5 | 51 | 11.5 | 4-15/4-16 |
| 32 | 180 | 90 | 117/120 | 89 | 64 | 13.0 | 4-15/4-16 |
| 40 | 200 | 100 | 127/130 | 98.5 | 73 | 14.5 | 4-15/4-16 |
| 50 | 230 | 115 | 152/150 | 120.5 | 92 | 16.0 | 4-19/4-20 |
| 65 | 290 | 145 | 178/180 | 139.5 | 105 | 17.5 | 4-19/4-20 |
| 80 | 310 | 155 | 190 | 152.5 | 127 | 19.5 | 4-19/4-20 |
| 100 | 350 | 175 | 229/230 | 190.5 | 157 | 24.0 | 8-19/4-20 |
| 125 | 400 | 200 | 254/255 | 216.0 | 186 | 24.0 | 8-22 |
| 150 | 480 | 240 | 279/280 | 241.5 | 216 | 25.5 | 8-22 |
JIS10K | 15 | 130 | 65 | 95 | 70 | 52 | 12 | 4-15 |
| 20 | 150 | 75 | 100 | 75 | 58 | 14 | 4-15 |
| 25 | 160 | 80 | 125 | 90 | 70 | 14 | 4-19 |
| 32 | 180 | 90 | 135 | 100 | 80 | 16 | 4-19 |
| 40 | 200 | 100 | 140 | 105 | 85 | 16 | 4-19 |
| 50 | 230 | 115 | 155 | 120 | 100 | 16 | 4-19 |
| 65 | 290 | 145 | 175 | 140 | 120 | 18 | 4-19 |
| 80 | 310 | 155 | 185 | 150 | 130 | 18 | 8-19 |
| 100 | 350 | 175 | 210 | 175 | 155 | 18 | 8-19 |
| 125 | 400 | 200 | 250 | 210 | 185 | 20 | 8-23 |
| 150 | 480 | 240 | 280 | 240 | 215 | 22 | 8-23 |
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