詳細(xì)介紹
進(jìn)口鑄鋼截止閥(進(jìn)口碳鋼截止閥,WCB截止閥)-美國威盾VTON截止閥是指采用碳鋼作為閥體材質(zhì)的截止閥,適用于公稱壓力 PN1.6~16.0MPa ,工作溫度 -29~600 ℃的石油、化工、制藥、化肥、電力行業(yè)等各種工況的管路上,切斷或接通管路介質(zhì)。
適用介質(zhì)為:水、油品、蒸汽、酸性介質(zhì)等。操作方式有:手動、齒輪傳動、電動、氣動等。鑄鋼法蘭截止閥屬于強制密封式閥門,所以在閥門關(guān)閉時,必須向閥瓣施加壓力,以強制密封面不泄漏。當(dāng)介質(zhì)由閥瓣下方進(jìn)入閥六時,操作力所需要克服的阻力,是閥桿和填料的磨擦力與由介質(zhì)的壓力所產(chǎn)生的推力,關(guān)閥門的力比開閥門的力大,所以閥桿的直徑要大,否則會發(fā)生閥桿頂彎的故障。近年來,從自密封的閥門出現(xiàn)后,法蘭截止閥的介質(zhì)流向就改由閥瓣上方進(jìn)入閥腔,這時在介質(zhì)壓力作用下,關(guān)閥門的力小,而開閥門的力大,閥桿的直徑可以相應(yīng)地減少。同時,在介質(zhì)作用下,這種形式的閥門也較嚴(yán)密。
主要有鑄鋼截止閥,進(jìn)口碳鋼截止閥,進(jìn)口WCB截止閥,進(jìn)口鑄鋼法蘭截止閥,進(jìn)口鑄鋼電動截止閥等
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美國威盾VTON進(jìn)口截止閥產(chǎn)品導(dǎo)航 | |||
進(jìn)口波紋管截止閥 | 進(jìn)口不銹鋼截止閥 | 進(jìn)口鍛鋼截止閥 | |
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