YJ41W/Y氧氣截止閥

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• 產(chǎn)品描述

型號:YJ41W/Y

公稱(chēng)壓力:1.0MPa~4.OMPa適用溫度:200℃

材質(zhì):CF8、CF3、CF8M、CF3M

氧氣管路閥專(zhuān)用介紹

Introduction to special valve for oxygen pipeline

       氧氣管路專(zhuān)用閥門(mén)是根據氧氣管網(wǎng)運行特點(diǎn)以及考慮氧氣介質(zhì)的易燃易爆的特性，以安全可靠和性能優(yōu)越為設計原則，并參照中華人民共和國冶金工業(yè)部制定的《氧氣安全規程》的規定而設計、制造的確保氧氣管網(wǎng)安全運行的專(zhuān)用閥門(mén)。

       閥門(mén)類(lèi)型:按照冶金工業(yè)部《鋼鐵企業(yè)氧氣管網(wǎng)的若干技術(shù)規定》的規定采用截止閥。

       主體材料選用不銹鋼或阻燃性極好的銅合金，密封面為本體或堆焊D802，其余內件采用不銹鋼或銅合金;傳動(dòng)部位的潤滑采用不可燃的潤滑脂，并標有明顯的禁油標記。

       在結構上，支架采用全閉封,并有導除靜電裝置，閥桿上配有防塵帽。

       我公司的氧氣管路專(zhuān)用閥，自投放市場(chǎng)以來(lái)深受各大、中型鋼鐵廠(chǎng)、制氧廠(chǎng)、石化廠(chǎng)氧氣管網(wǎng)的依賴(lài)!

       The special valve i designed & produced so as to ensure sare operation of oxygen pipe networkon the basis of design principle of Safety, ReliabilityandOutstanding Performance according to operation nature of oxygen pipe network and infammable & explosive nature of oxygen medium,in which in accordance with Safety Regulation for Oxygen enacted by State Ministry of Metallurgical Industry.

        Type of valve: Stop valve is employed in accordance with CertainTechnical Regulations for Pipe Network in SteelCorporations enacted by StateMinistry of Metallurgical lndustry.

        Stainless steel or copperallay is employed for main material while Body or bead welding D802 is adopted for sealing surlace, in adition,stainlessor copper alloyis also employed in the remaining trims; furthermore,incombustible grease is used for lubrication of gear parts,in which is labeled with

Oil Forbidden.

         As per its structure,Full seal isemployed in the stand with device of removing static electricity while dust-proof cap is equipped on the rod.

         Our special valve has been well received bylarge/middle steel plants, oxygen factories and  Petrochemical plants, in which is employed in theiroxygen pipe network.

氧氣管路閥專(zhuān)用閥門(mén)特點(diǎn)

Characteristic

1、對于公稱(chēng)壓力PNa1.6MPa、DN125~200采用內旁通結構;DN250-~50O采用帶外旁通閥結構。其目的是減小閥前、閥后的壓力差以避免高流速、高沖刷以及防止產(chǎn)生高溫，從而保證了氧氣管網(wǎng)的安全運行，同時(shí)也減小了操作力矩

2、介質(zhì)流向:PN≥1.6MPa、DN≤100介質(zhì)由閥瓣下方流入閥瓣上方(即低進(jìn)高出)，DN≥125介質(zhì)由閥瓣上方流入下方(高進(jìn)低出)。對于DN≥125的閥門(mén)采用介質(zhì)高進(jìn)低出的流向，一方面是內旁通閥結構上的需要，另一方面由于介質(zhì)壓力的作用使閥門(mén)的關(guān)閉力大大減小。

3、該閥設有導靜電安全裝置,可避免因靜電產(chǎn)生火花。

4、與普通截止閥相比，氧氣管路用截止閥的支架部分采用全封閉式結構，且壓緊填料時(shí)可以打開(kāi)支架上的防護蓋板，起到了防油防塵的作用。并有明顯的禁油標記。

5、全部零件采用嚴格的脫指處理。

1. Inner bypass structure is adopted for the nominal pressure ranging PN≥1.6MIPa,DN125~2Q00;outer by pass valve for Dn250~5600, so as to reducepropost-vave pressure with a view to avoiding high strength, high scour and preventing from high temperature, with which guarantees safe operation foroxygen pipe network the moment reduces operating torque.

2.Flow diection for mediuom:.PN≥1.6MPa, Dn≤100 are to beused to the condition that the medium is flowed from underside to upside (i.e.lowintlowand high ouffow) whileDn≥125for the condition offiowing from upside to underside (i.e.igh inflow and low outlow), the reason for thelatter one can belisted as follows:Firstly, needs of innerbypass valve;Secondly , the onlofforce has been greatly reduced caused by medium pressure.

3.The valve is equipped with safe device for removing static electricity , with which can avoid producing fire by static electricity.

4.Compared with normal stop valve, the stand of this special valve adoptsfull-sealed structure, in which can open saieguarding cap on the standwhen pressing fillings with a view to preventing from oil & dust, the obvious symbol of Oil Forbidden is labeled therein.

5.The whole components has been degreased firmly.

安裝、使用、維護注意事項Points to note (Installation, Operation & Maintenance)

1、安裝時(shí)注意閥體上箭頭方向與介質(zhì)流動(dòng)方向一致。

2、閹導線(xiàn)擰在兩側法蘭的接地螺栓上，并將其接地，導除閥門(mén)上內的靜電。

3、操作閥門(mén)時(shí)手輪順時(shí)針旋轉閥門(mén)關(guān)閉，逆時(shí)針旋轉閥門(mén)開(kāi)啟。對帶有內旁通結構的氧氣閥開(kāi)啟時(shí)，先逆時(shí)針旋轉手輪打開(kāi)副閥瓣，待閥門(mén)前后壓力差減小到O.3MAPa時(shí)，再繼續旋轉手輪打開(kāi)主閥;對帶有外旁通閥的氧氣閥開(kāi)啟時(shí)，首先打開(kāi)旁通閥，待閥門(mén)前后壓力差減小到0.3MPa時(shí)，再打開(kāi)主閥。關(guān)閉時(shí)先關(guān)主閥后關(guān)旁通閥。

4、該閥為全關(guān)、全開(kāi)型。操作時(shí)應緩慢進(jìn)行，并不得當調節閥用。

5、維護時(shí)傳動(dòng)部位涂不可燃的潤滑脂。

6、其余事項按冶金工業(yè)部《氧氣安全規程》和《鋼鐵企業(yè)氧氣管網(wǎng)若干技術(shù)規定》執行。

       本公司除生產(chǎn)氧氣管道用截止閥外，還生產(chǎn)氧氣管道用止回閥、球閥、儀表閥等閥類(lèi)和配套法蘭、管件。材質(zhì)有不銹鋼、銅合金兩大類(lèi)，歡迎廣大用戶(hù)根據需要選用。

1. When installing, the arrow direction on the valve body should accord with the flow direction of medium.

2.The conducting wire should be screwed to the ground bolts on both sides'flange and grounded so as to remove the static electricity on the valve.

3.CloselOpen when rotating hand wheel clockwise/anticlockwise:When opeming the oxygen valve equipped with inner bypass structure,rotates thehand wheel anticlockwise to open assistant disc until the pressure balance between the front and the back of the valve at 0.3MPa, then continues the rotating operation to open the main valve; as per outerbypass valve, opens bypassvave until he pressure balance at 0.3MAPa. then continues the rotatingthe main valve should be closed before bypass valve.

4.The valve employs full open/close: It should be operated slowly and can not be employed as regulating valve.

5.The incombustible grease should be smeared on the gear when maintaining.

6.The additional items can be operated in accordance with SafetyRegulation forOxygen and Certain Techica Regulations forPipe Network in SteelCorporations enacted by State Ministry of Metallurgical Industry.

       Besides stop valve for oxygen pipeline, the valves such as the check valve , ball valve & meter valve for oxygen pipeline are also available in thecorporation while coupled flange & pipe fitting are supplied, in which stainless steel & copper alloy are used fortheir materal welcome to purchaseourproducts.

                                                                                                                                31/KAIGONG VALVE

應用規范 Application Norm

1、設計制造按GB12235-89

2、結構長(cháng)度按GB12221-89

3、法蘭尺寸按JB/T79-94

4、閥門(mén)檢查和試驗按GB13927

1. Design Manafacfure According to GB12235-89

2.Face to Face According to GB12221-89

3. Flange Dimension According to JB/T79-94

4. Valve Check and Test According to Gb13927

結構Structure

1、產(chǎn)品所有零件均經(jīng)脫脂處理，嚴格禁油;2、產(chǎn)品采用密封包裝，防止濕空氣和雜質(zhì)進(jìn)入閥內;3、其它技術(shù)規范按《鋼鐵企業(yè)氧氣管肉的若干技術(shù)規定》。

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