JST Series Special Thread Products-Products-YAN'AN JIASHENG

JST1 Economy-Grade Gas-Sealed Threaded Casing

It employs a two-stage sealing structure featuring threaded connections and shoulder interfaces

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JST2/JST3 Gas-Tight Threaded Oil Casing

By employing a threaded design with a two-stage, dual primary sealing surface structure that creates a three-level seal

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JST4 Special Threaded Tubing

By adopting a serrated thread design combined with a shoulder-to-shoulder connection method

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JST5 Gas-Tight Threaded Casing

The threaded structure employs a guided-surface separation design, preventing thread galling on the guiding surfaces.

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JST6 Bimetal Composite Oil Tubing

Material properties: The tube body is made from a bimetallic composite pipe, replacing the corrosion-resistant materials

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JST7/8 High-Temperature, High-Pressure Gas-Sealed Threaded Oil Casing Pipes

Structural features: It adopts a variable-taper design with cone-to-cone sealing

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YAN'AN JIASHENG PETROLEUM MACHINERY CO., LTD

Address: Yan'an High-Tech Industrial Development Zone, Shaanxi Province

Phone: +86-911-2515900

Email: official@yananjs.com

Sales Department Manager: Zhou Haina

Phone: +86-15029113311

HR Manager's Phone: Gao Meicui

Phone: +86-13892212446