H42W-6P-DN350,H42W-6P-DN400,H42W-16P-DN400不銹鋼法蘭底閥 生產(chǎn)廠家 量多優(yōu)惠

H42W-6P-DN350,H42W-6P-DN400,H42W-16P-DN400不銹鋼法蘭底閥 生產(chǎn)廠家 量多優(yōu)惠

底閥是一種節(jié)約能源的閥,一般安裝在水泵下吸管的底端.限制水泵管內(nèi)液體返回水源,起著只進(jìn)不出的功能，閥門蓋上有很多個進(jìn)水品和加強(qiáng)筋,起到了不易堵塞,主要應(yīng)用在抽水的管路上.水道和支承的作用.有法蘭連接和螺紋連接.
底閥由閥估,閥瓣,閥蓋,襯套,密封圈等零件組成,水源的水從閥蓋進(jìn)入閥體.在流體的壓力作用下,閥瓣打開水,當(dāng)示停后出口管內(nèi)的壓力將閥瓣迅速關(guān)閉,液體將不會倒回水源,起到了即暢通抽水又節(jié)約水能損失的作用.
1、為了防止介質(zhì)逆流，在設(shè)備、裝置和管道上都應(yīng)安裝止回閥；
2、止回閥一般適用于清凈介質(zhì)，不宜用于含有固體顆粒和粘度較大的介質(zhì)；

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