波紋管截止閥WJ41H16C/25蒸汽.導(dǎo)熱油德標(biāo)波紋管截止閥
產(chǎn)品概述
WJ41H-16C/25型波紋管截止閥是一款采用先進(jìn)金屬波紋管密封技術(shù)的工業(yè)閥門,專為蒸汽、導(dǎo)熱油等高溫高壓介質(zhì)設(shè)計(jì)。該產(chǎn)品通過雙重密封結(jié)構(gòu)(波紋管+填料)實(shí)現(xiàn)閥桿零泄漏,有效解決了傳統(tǒng)閥門填料密封易老化泄漏的問題。閥門內(nèi)部采用不銹鋼波紋管焊接技術(shù),在介質(zhì)與大氣間形成金屬屏障,確保長(zhǎng)期穩(wěn)定運(yùn)行。其設(shè)計(jì)兼顧安全性與節(jié)能性,可顯著減少能源損失和設(shè)備維護(hù)成本,適用于石油、化工、制藥、電力等行業(yè)的嚴(yán)苛工況。123
技術(shù)特點(diǎn)
該閥門采用錐形閥瓣設(shè)計(jì),關(guān)閉時(shí)可自動(dòng)刮除密封面雜質(zhì),延長(zhǎng)使用壽命。閥桿經(jīng)過調(diào)質(zhì)和表面氮化處理,具有優(yōu)異的抗腐蝕和抗摩擦性能。人體工程學(xué)手輪設(shè)計(jì)使操作更輕便,DN150以上規(guī)格配備三角定位裝置,有效抑制振動(dòng)和噪音。閥體采用德國(guó)覆膜砂鑄造工藝,表面光潔度高且機(jī)械性能穩(wěn)定,能承受PN16-PN40壓力等級(jí)和-29℃至425℃溫度范圍。核心部件波紋管采用不銹鋼或Inconel材料,耐疲勞性能突出,配合柔性石墨填料形成冗余密封保障。456
英文介紹
The WJ41H-16C/25 bellows globe valve features a dual-sealing system combining metal bellows and packing, providing reliable stem sealing for steam, heat transfer oil and other critical media. Its stainless steel bellows are welded to the stem, creating a permanent metal barrier that prevents stem leakage while resisting corrosion from process fluids. The valve body is precision-cast using advanced molding technology to ensure structural integrity under pressures up to PN40 and temperatures ranging from -29°C to 425°C.
Key design elements include a conical disc for self-cleaning sealing surfaces, nitrided stem for enhanced durability, and ergonomic handwheel for smooth operation. Larger sizes (DN150+) incorporate triangular stabilizers to minimize vibration. The bellows assembly undergoes rigorous fatigue testing to deliver extended service life in demanding applications across petrochemical, pharmaceutical and power generation industries. Maintenance requirements are significantly reduced compared to conventional packed stem designs. 789
應(yīng)用領(lǐng)域
該系列閥門特別適用于滲透性強(qiáng)、有毒或高純度介質(zhì)管路,如乙二醇、液氨等特殊工況。在蒸汽系統(tǒng)中能有效防止熱能損失,在導(dǎo)熱油管路中可避免熱載體泄漏風(fēng)險(xiǎn)。其模塊化設(shè)計(jì)支持多種配置選擇,包括不同閥瓣形式(截止型、節(jié)流型)、驅(qū)動(dòng)方式(手動(dòng)/氣動(dòng)/電動(dòng))及連接標(biāo)準(zhǔn)(德標(biāo)DIN/國(guó)標(biāo)GB),滿足多樣化工程需求。典型應(yīng)用場(chǎng)景包括鍋爐蒸汽系統(tǒng)、工業(yè)反應(yīng)裝置、熱交換設(shè)備及流體分配系統(tǒng)等。101112
波紋管截止閥WJ41H16C/25蒸汽.導(dǎo)熱油德標(biāo)波紋管截止閥




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