概述：氣動對夾式薄型保溫球閥
球閥具有結(jié)構(gòu)緊湊、體積小、重量輕、密封性能好、啟閉天真、安裝方便等特點。.
重要型號、保溫型：手動(bq71f)、氣動(bq671f)、電動(bq971f)
公稱通徑：dn15-100mm1/2“-4“
公稱壓力：pn1.0-2.5mpa
class：150lb、jis：10k
重要形狀及連接尺寸表
| 公稱通徑(dn) | 產(chǎn)品型號 | |||||||||
| l | d | w | h | 3-g | ||||||
| (mm) | (in) | 1.0mpa | 1.6mpa | 2.5mpa | 150lb | 10k | 手動 | 手動 | ||
| 15 | 1/2” | 40 | 53 | 53 | 53 | 47 | 58 | 130 | 80 | 3/8 |
| 20 | 3/4” | 45 | 63 | 63 | 63 | 57 | 63 | 170 | 80 | 3/8 |
| 25 | 1” | 50 | 73 | 73 | 73 | 66 | 74 | 170 | 100 | 3/8 |
| 32 | 1 1/4” | 60 | 84 | 84 | 84 | 75 | 84 | 200 | 110 | 1/2 |
| 40 | 1 1/2” | 70 | 94 | 94 | 94 | 85 | 89 | 250 | 120 | 1/2 |
| 50 | 2” | 80 | 109 | 109 | 109 | 103 | 104 | 250 | 130 | 1/2 |
| 65 | 2 1/2” | 110 | 129 | 129 | 129 | 122 | 124 | 350 | 140 | 1/2 |
| 80 | 3” | 120 | 144 | 144 | 144 | 135 | 134 | 350 | 150 | 1/2 |
| 100 | 4” | 140 | 164 | 164 | 170 | 173 | 159 | 420 | 180 | 1/2 |
型號、零件材料及重要參數(shù)
| 公稱壓力或壓力級 | 產(chǎn)品型號 | |||||||
| pn1.0mpa | bq71f-10c | bq71f-10p | bq71f-10p8 | bq71f-10p3 | bq71f-10r | bq71f-10r8 | bq71f-10r3 | |
| pn1.6mpa | bq71f-16c | bq71f-16p | bq71f-16p8 | bq71f-16p3 | bq71f-16r | bq71f-16r8 | bq71f-16r3 | |
| pn2.5mpa | bq71f-25 | bq71f-25p | bq71f-25p8 | bq71f-25p3 | bq71f-25r | bq71f-16r8 | bq71f-25r3 | |
| class150 | bq71f-150(lb)c | bq71f-150(lb)p | bq71f-150(lb)p8 | bq71f-150(lb)p3 | bq71f-150(lb)r | bq71f-150(lb)r8 | bq71f-150(lb)r3 | |
| 10k | bq71f-10(k)c | bq71f-10(k)p | bq71f-10(k)p8 | bq71f-10(k)p3 | bq71f-10(k)r | bq71f-10(k)r8 | bq71f-10(k)r3 | |
| 重要零件材料 | 閥體 | wcb | zglcr18ni9ti | cf8(304) | cf8(304l) | zg1cr18ni12mo2ti | cf8m(316) | cf8m(316l) |
| 球體、閥桿 | 2crl3 | lcr18ni9ti | 0cr18ni9(304) | 0cr18ni9(304l) | 1cr18ni2mo2(316) | 0cr17ni2mo2(316) | 0cr17ni2mo2(316l) | |
| 密封圈 | 聚四氟乙烯 對位聚苯 | |||||||
| 填料、墊圈 | v型聚四氟乙烯 柔性石墨環(huán) 聚四氟乙烯片 柔性石墨復(fù)合墊 | |||||||
| 適用工況 | 適用介質(zhì) | 重油、膠類等 | 硝酸腐蝕性介質(zhì) | 強(qiáng)氧化性介質(zhì) | 醋酸等腐蝕性介質(zhì) | 尿素等腐蝕性介質(zhì) | ||
| 適用溫度 | -28-300℃ | |||||||
| 配管法蘭 | jb79-59、gb9113、sh3406 ansi b16.5 jis b2212 | |||||||
