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球閥等通用閥門怎么更換墊片?

來源:http://m.serviceforo.com/ 日期:2022-04-06 發(fā)布人:admin
像閘閥、球閥、蝶閥等閥門的配件往往比閥門本身更容易損壞,如法蘭墊片,那么該如何更換損壞的法蘭墊片?更換法蘭墊片需要遵循以下4個基本原則,準(zhǔn)備好材料和工具,注意操作步驟,達到2個技術(shù)要求和5個要點。
Like gate valve, ball valve, butterfly valve and other valve accessories are often more easily damaged than the valve itself, such as flange gasket, so how to replace the damaged flange gasket? The replacement of flange gasket needs to follow the following four basic principles, prepare materials and tools, pay attention to the operation steps, and meet two technical requirements and five key points.
(1)準(zhǔn)備工作
(1) Preparatory work
①材料:黃油、棉紗、檢漏液、密封墊片。
① Materials: butter, cotton yarn, leak detection fluid, sealing gasket.
②工具:扳手、螺釘旋具。
② Tools: spanner, screw driver.
(2)操作步驟
(2) Operation steps
①卸下法蘭連接螺栓,拆下閥門或移去泄露端管段。清理干凈密封面上廢舊的密封墊。
① Remove the flange connecting bolts, remove the valve or remove the pipe section at the leakage end. Clean up the waste gasket on the sealing surface.
②選擇合適的墊片,兩面均勻涂抹一層黃油。
② Select the appropriate gasket and apply a layer of butter evenly on both sides.
③將密封墊片墊于兩法蘭之間的密封面上,對準(zhǔn)兩法蘭中和螺栓孔中,裝入螺栓,擰上螺母,均勻用力分多次對角擰緊螺母。螺栓伸出螺母長度2-3個螺距為宜。法蘭墊片安裝完畢后,應(yīng)經(jīng)過做工作壓力試壓無泄漏為合格。
③ Place the sealing gasket on the sealing surface between the two flanges, align the two flanges and the bolt hole, install the bolt, screw the nut, and tighten the nut diagonally for several times with uniform force. The length of the bolt extending out of the nut should be 2-3 pitches. After the flange gasket is installed, it shall pass the working pressure test without leakage.
(3)技術(shù)要求
(3) Technical requirements
①應(yīng)小心操作,防止損壞法蘭盤。
① Care should be taken to prevent damage to the flange.
②完工后,應(yīng)對工具進行清潔、維護。
② After completion, the tools shall be cleaned and maintained.
(4)墊片安裝五個要點
(4) Five key points of gasket installation
①選得對:法蘭、螺栓、墊片的形式、材料、尺寸應(yīng)根據(jù)操作條件和法蘭面的結(jié)構(gòu)形式選配適當(dāng)。
① Right choice: the form, material and size of flange, bolt and gasket shall be properly selected according to the operating conditions and the structural form of flange surface.
②查得細(xì):安裝前應(yīng)仔細(xì)檢查法蘭、螺栓、螺母、墊片的質(zhì)量,應(yīng)沒有毛刺、凹凸不平、裂紋等缺陷。仔細(xì)檢查法蘭、管子安裝情況,應(yīng)無偏口、錯口、錯孔等現(xiàn)象。
② Check carefully: the quality of flanges, bolts, nuts and gaskets shall be carefully checked before installation, and there shall be no burr, unevenness, crack and other defects. Carefully check the installation of flanges and pipes, and there shall be no deviation, wrong mouth, wrong hole and other phenomena.
③洗得凈:法蘭密封面需要清洗干凈,螺栓、墊片不得粘有雜質(zhì)、油污等。
③ Clean: the flange sealing surface needs to be cleaned, and the bolts and gaskets shall be free of impurities, oil stains, etc.
④裝得正:墊片應(yīng)與管子或管件同心。
④ Proper installation: the gasket shall be concentric with the pipe or pipe fitting.
⑤上得勻:安裝螺栓、螺母應(yīng)用力均勻,分多次對稱擰緊。
⑤ Even up: install bolts and nuts with uniform force and tighten symmetrically for many times.
以上就是為大家介紹的有關(guān)良工閥門的詳細(xì)介紹,希望對您有所幫助.如果您有什么疑問的話,歡迎聯(lián)系我們.我們將以的態(tài)度,為您提供服務(wù)http://m.serviceforo.com
The above is the detailed introduction of Lianggong valve. I hope it will be helpful to you If you have any questions, please contact us We will provide you with professional service http://m.serviceforo.com

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