
JST provide pump packing, valve insert, packer element, v stack, and bonded seal for fracturing equipments and downhole tools.
JST API6A wellhead equipment seals include valve stem packing & face seal for gate valves, FS seal, S seal, P seal, lockscrew seal for casing head & tubing hanger.
JST's PTFE seals including spgo, spns, spgw, kzt, and wear ring, wear strips and v packigns are widely used in hydraulic cylinders.
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