Rapid Gas Decompression O ring

Nylon BX R RX style Test Ring Gasket is good for valve pressure test. JST Nylon ring joint test gaskets are a no damaging method to test and re-certify ring type joint flanges.

JST's centralizer rubber fins is made according to customer requirements. The centralizer fin has a retrievable, reseatable, flexible design. This Rubber and metal reinforced rubber centralizer fins are available for a variety of MWD (measurement while drilling) tools and oil well logging and monitoring instruments.

We have been manufacturing various types of fluid end valve and seats for both frac pumps and mud pumps, covering various models for the most dominant pumps in the market.

The FDR seal is made of a helical wound spring and a polymer jacket, which is mainly used as a Flange external face seal.

Liner Wiper Plugs separates drilling fluid from cement during displacement.

Back-up Ring/Anti Extrusion Rings is a ring that holds an elastomeric seal to its outline shape and in its right place. and are typically used with O Rings to eliminate extrusion at high pressures.

Swivel joint ball plug is working together with hammer union seals, to seal the balls of high pressure elbows and grease.

ptfe wear strips can keep the piston centered as well as preventing metal-to-metal contact.