對(duì)夾式保溫球閥BQ71F具有良好的保溫保冷特性，且閥門的通徑與管徑一致，同時(shí)又能有效降低管路中介質(zhì)熱量損失。主要用于石油、化工、冶金、制藥、食品等各類系統(tǒng)中，以輸送常溫下會(huì)凝固的高粘度介質(zhì)。
主要型號(hào)、保溫型：手動(dòng)(BQ71F)、氣動(dòng)(BQ671F)、電動(dòng)(BQ971F)
公稱通徑：DN15-100mm1/2“-4“
公稱壓力：PN1.0-2.5MPa
CLASS：150lb、JIS：10K
對(duì)夾式保溫球閥BQ71F主要外形及連接尺寸表
公稱通徑(DN) | 產(chǎn)品型號(hào) |
| ||||||||
L | D | W | H | 3-G | ||||||
(mm) | (in) | 1.0MPa | 1.6MPa | 2.5MPa | 150Lb | 10k | 手動(dòng) | 手動(dòng) |
| |
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 |
對(duì)夾式保溫球閥BQ71F型號(hào)、零件材料及主要參數(shù)
公稱壓力或壓力級(jí) | 產(chǎn)品型號(hào) | |||||||
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 | |
主要零件材料 | 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(duì)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 | |||||||
