對(duì)夾式保溫球閥BQ71F具有良好的保溫保冷特性，且閥門(mén)的通徑與管徑*，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(lèi)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(chēng)通徑：DN15-100mm1/2“-4“公稱(chēng)壓力：PN1.0-2.5MPaCLASS：150lb、JIS：10K對(duì)夾式保溫球閥BQ71F主要外形及連接尺寸表 公稱(chēng)通徑(DN)產(chǎn)品型號(hào) LDWH3-G(mm)(in)1.0MPa1.6MPa2.5MPa150Lb10k手動(dòng)手動(dòng) 151/2”405353534758130803/8203/4”456363635763170803/8251”5073737366741701003/8321 1/4”6084848475842001101/2401 1/2”7094949485892501201/2502”801091091091031042501301/2652 1/2”1101291291291221243501401/2803”1201441441441351343501501/21004”1401641641701731594201801/2 對(duì)夾式保溫球閥BQ71F型號(hào)、零件材料及主要參數(shù) 公稱(chēng)壓力或壓力級(jí)產(chǎn)品型號(hào)PN1.0MPaBQ71F-10CBQ71F-10PBQ71F-10P8BQ71F-10P3BQ71F-10RBQ71F-10R8BQ71F-10R3PN1.6MPaBQ71F-16CBQ71F-16PBQ71F-16P8BQ71F-16P3BQ71F-16RBQ71F-16R8BQ71F-16R3PN2.5MPaBQ71F-25BQ71F-25PBQ71F-25P8BQ71F-25P3BQ71F-25RBQ71F-16R8BQ71F-25R3CLASS150BQ71F-150(LB)CBQ71F-150(LB)PBQ71F-150(LB)P8BQ71F-150(LB)P3BQ71F-150(LB)RBQ71F-150(LB)R8BQ71F-150(LB)R310KBQ71F-10(K)CBQ71F-10(K)PBQ71F-10(K)P8BQ71F-10(K)P3BQ71F-10(K)RBQ71F-10(K)R8BQ71F-10(K)R3主要零件材料閥體WCBZGlCr18Ni9TiCF8(304)CF8(304L)ZG1Cr18Ni12Mo2TiCF8M(316)CF8M(316L)球體、閥桿2Crl3lCr18Ni9Ti0Cr18Ni9(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(lèi)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 B2212BQ71F對(duì)夾式保溫球閥_圣核閥門(mén)制造（上海）有限公司
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