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  • What kind of oil & gas sealing are used frequently?
    • September 28. 2022

    JST Seals has provided high-performance Polymer seal and Elastomer seal for the Oil & Gas industry for over 25 years. Available from standard sizes to customized sizes. These Oil and Gas seals are offered in a range of materials, FKM, PTFE, TFM, PEEK, HNBR, NBR, AFLAS. JST provides sealing solutions for the upstream, midstream and also downstream divisions of the worldwide Oil & Gas indust...

  • Gate valve seal assembly for fracking valve
    • September 22. 2022

    In the oil and gas industry there is a practice called fracking, to speed up the migration of gas and petroleum fluid from source rocks or reservoir rocks. The fracking is an oil and gas well stimulation measure with broad application prospects. At present, hydraulic fracturing is the main form of natural gas exploitation. Water (fracturing fluid) mixed with chemical substances is used to inject i...

  • Application of Spring Lip Seal
    • September 15. 2022

    Spring lip seals have been used for many years. Spring lip seals are used in a manner similar to conventional elastomer seals, such as o-rings. Elastomer seals often fail due to conditions that often occur in their operating environment, such as chemical corrosion, extreme high or low temperatures, extrusion, friction, or compression set. However, spring lip seals have different structures and do ...

  • What is PTFE and PTFE products?
    • September 14. 2022

    PTFE is the abbreviation of Polytetrafluoroethylene, also name is Teflon. PTFE is used in a variety of industrial products including gaskets, bearings and parts for valves, pumps and hydraulic cylinders. PTFE offers the following characteristics: • Low Friction, good self-lubricating function. • Good Electrical Insulation. • Wide Temperature Range (from 250℃+ to -195℃) • Excellent Acid & Chemi...

  • Applications of LNG Fueling Nozzle Seals
    • September 13. 2022

    LNG Lip Seal is a type of spring energized seal, commonly used in LNG (liquefied natural gas) filling guns. Currently, it can be installed with most of the brands in China and overseas. The jacket of the LNG Fueling Nozzle Seals is made of polymer materials, which can withstand a low temperature of - 200 degrees. It is designed with a stainless steel anti-corrosion spring with special low temperat...

  • Introduction of downhole sealing
    • September 09. 2022

    Guangzhou JST Seals offers downhole sealing solution and products. Bottom hole assembly (BHA) tools (such as impactors and jars) need to be sealed to protect the tool hydraulic system from the impact of abrasive drilling mud and cuttings in the hole. Measurement while drilling (MWD) tools sometimes need high-temperature sealing solutions. This field operation is expensive, If seal failed it would ...

  • Application and material selection of guide strip
    • September 06. 2022

    The guide strip is mainly used in the hydraulic cylinder and pneumatic cylinder. Because of its high-quality performance, it is also widely used in other moving system at this stage. Primary requirements: Support and positioning: the piston and piston rod are axially supported in the cylinder barrel, and the movable positioning between equipment is realized. To isolate the piston and play a certai...

  • Application analysis of rubber O-ring in ball valve
    • September 01. 2022

    As one of the main components of valves and pressure pipelines, pressure dissolvers, boilers and other equipment, ball valves are used to control the flow or cut-off of media. They are widely used in various industries such as LNG, electric power, light industry, construction, metallurgy and so on. As a low cost, rubber O-ring (hereinafter referred to as O-ring) is applicable to be installed in va...

  • Spring energized sealing solution for low temperature service of LNG plant
    • August 31. 2022

    The number of reliable sealing solutions for Low-Temperature Service in LNG plants is limited. The two main polymers currently used are PTFE spring energized seal or UHMW-PE seals. The challenge of using liquefied natural gas The leakage of LNG (liquefied natural gas) at low temperature is dangerous to the health and safety of workers and the operation of the plant. The problems such as toxicity, ...

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