BJ45W不銹鋼夾套保溫截止閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運(yùn)動(dòng)。閥桿的運(yùn)動(dòng)形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。截止閥只適用于全開(kāi)和全關(guān),不允許作調(diào)節(jié)和節(jié)流。
保溫截止閥具有保溫,保冷特性,適用于石油,化工,冶金,制藥等行業(yè).
BJ45W不銹鋼夾套保溫截止閥主要部件材質(zhì)
產(chǎn)品型號(hào) | 閥體、閥蓋 | 閥 瓣 | 填 料 | ||
BJ45W-25P、BJ45W-40P、BJ45W-64P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | PTFE | ||
聚四乙稀 | |||||
BJ45W-25P/R、BJ45W-40P、BJ45W-64P | ZG1Cr18Ni12Mo2Ti | 1Cr18Ni12Mo2Ti | PTFE | ||
聚四乙稀 |
BJ45W不銹鋼夾套保溫截止閥主要性能規(guī)范
型號(hào) | 公稱壓力PN(Mpa) | 試驗(yàn)壓力 | 適用溫度 | 適用介質(zhì) | 保溫套壓力 | |
shell | seal | |||||
BJ45W-25P | 2.5 | 3.75 | 2.75 | ≤200 | Acetic urea 1 | ≤1.3 |
BJ45W-40P | 4.0 | 6.0 | 4.4 | |||
BJ45W-64P | 6.4 | 9.0 | 6.6 | Acetic urea | ||
BJ45W-25P | 2.5 | 3.75 | 2.75 | |||
BJ45W-40P | 4.0 | 6.0 | 4.4 | |||
BJ45W-64P | 6.4 | 9.0 | 6.6 |