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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, ...
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...
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...
The present invention provides a seal gasket which is inserted between the ball valve body and the seat retainer in the cryogenically cooled liquefied natural gas ball valve to prevent the leakage of fluid so that the seal gasket can be cured and contracted under the influence of cryogenic temperature to prevent the fluid from leaking. A seal gasket mechanism. Natural gas is transported through pi...
JST's Spring energized seals are designed for static rotary and reciprocating applications in temperatures from cryogenic -196℃ to 300℃; and pressures from vacuum to 70Mpa, movement speed reaches 20M/S to survive the most corrosive environment. Jacket material: Virgin PTFE temperature : -200~+230℃ PTFE+ carbon fiber ...
JST Seals manufactures spring energized seals of different materials. Spring energized seals are composed of two parts: a PTFE or polymer jacket and a corrosion-resistant, metal energizer spring. comparing to other seals, the seals provide better performance over elastomeric seals and metal gaskets that typically fail. Its sealing jacket is a U-shaped shell made of high-performance non-metallic po...
PEEK is a colorless organic thermoplastic semi-crystalline polymer with excellent mechanical and chemical resistance properties. It’s high-resistance to terminal degradation makes it useful in oil and gas environments. The processing conditions used to mold PEEK can influence the crystallinity and hence the mechanical properties. As with PTFE, PEEK has several benefits for oil and gas companies. I...
With the development of petrochemical industry and shale gas industry, especially the wide application of liquefied natural gas (LNG), the requirements for the reliability, adaptability, stability and sealing of ultra-low temperature equipment such as gate valve, check valve and ball valve applied under ultra-low temperature conditions are increasingly high. Generally, the valves applied in the me...
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