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- Visually inspect all sealing element. 目視檢查所有密封件。
- Remove check valve and valve seal from booster. 從倍力器上卸去逆止閥和閥門(mén)密封。
- HF acid detecting paint to ensure valve sealing integrity. 氫氟酸檢測漆，用于保證密封的整體性。
- Manifolds can be added to a control valve sealing device. 可以給閥組加一個(gè)閥的密封控制裝置。
- In this type of valve, the sealing element resembles a large rubber doughnut that is mechanically squeezed inward to seal on either pipe (drill collars, drillpipe, casing, or tubing) or the openhole. 這種類(lèi)型的閥門(mén)，其密封部件象一個(gè)大橡膠炸圈餅，機械地向內擠壓，以密封管柱（鉆鋌、鉆桿、套管或油管）或裸眼。
- Presents the development and use of new stainless steel heap welding technique for main steam valve sealing surface. 介紹了主蒸汽閥門(mén)密封面不銹鋼堆焊新工藝的開(kāi)發(fā)與利用。
- Metal corrugated gasket is a traditional sealing element,and has the features of simple fabrication,good resilience and good integrality. 金屬波紋墊片是一種傳統的密封元件,具有制造簡(jiǎn)單、回彈性好、整體性好的特點(diǎn)。
- This paper introduces studying and using process of new type polyurethane sealing element,contrastes with similar import sealing element. 介紹了新型聚胺脂密封件的研究開(kāi)發(fā)和使用過(guò)程,并與進(jìn)口同類(lèi)密封件進(jìn)行對比,有一定的實(shí)用價(jià)值。
- If the spacing between mating flanges is tight, the valve sealing surface should be coated with a lubricant to prevent distortion during installation. 如果配置的法蘭之間的間隙過(guò)緊，則閥門(mén)密封面應該用潤滑劑涂敷以防止在安裝過(guò)程中產(chǎn)生扭曲變形。
- In the second part, the preliminary experience of plasma powder overlaying work with valve sealing surface is introduced. 第二部份介紹閥門(mén)密封面等離子粉末堆焊工作的初步經(jīng)驗。
- This paper introduces studying and using process of new type polyurethane sealing element,contrastes with similar import sealing element.It has practical value. 介紹了新型聚胺脂密封件的研究開(kāi)發(fā)和使用過(guò)程,并與進(jìn)口同類(lèi)密封件進(jìn)行對比,有一定的實(shí)用價(jià)值。
- Causes of failure are analyzed for heat exchangers widely applied in refining u-nits and chemical units from the viewpoints of corrosion and sealing element failure. 針對煉油、化工裝置中應用廣泛的換熱器的失效問(wèn)題,從腐蝕、密封件失效等方面入手,分析了換熱器的失效原因。
- Before installation should completed clean inner of the pipeline, particles or sundries are not allowed to be contained in the medium to avoid the damage of valve sealing surface. 閥門(mén)安裝前請將管路徹底清洗干凈，介質(zhì)中不能含有顆?；螂s物。以免損傷閥門(mén)密封面。
- Gaskets or other sealing elements shall be used with all removable heads. 所有活動(dòng)蓋都必須使用墊圈或其他密封件。
- To introduce one kind of ball valve sealing structures which is formed through bringing pressure on the seat ring while the ball or disc is rolling towards the seat ring parallelly. 介紹了一種球體或球瓣向閥座平行滾動(dòng)而壓緊閥座形成密封的球閥密封結構。
- For2Cr13 valve sealing face by double glow plasma W alloying process,carburizing , quenching and tempering process, the results show its machining size is little, its hardness is high and its static pressure lifetime is long. 結果表明經(jīng)雙層輝光離子滲鎢、滲碳和淬火回火處理的2Cr13閥門(mén)密封面加工量小、硬度高、靜壓壽命長(cháng)。
- Many ways to prevent leakage in the installation process, the choice of packing, sealing method of choice, good choice of valve sealing performance, are factors that must be taken into account. 防止泄漏的方法很多，在安裝過(guò)程中，填料的選擇、密封方法的選擇、選用密封性能好的調節閥等，都是必須考慮的因素。
- The regulations and methods for valve base seal test, valve seal test, valve strength test, long term valve test, fatigue test and operating torque test were summed up in this article. 匯總了塑料閥門(mén)產(chǎn)品要求的閥座密封試驗、閥體密封試驗、閥體強度試驗、閥門(mén)長(cháng)期試驗、疲勞強度試驗和操作扭矩的規定和方法。
- Rubber product and sealing element series 橡膠制品及密封件系列
- Keywords hydraulic BOPs elastic sealing element; 液壓防噴器;彈性密封件;
