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Company profile

JST has passed ISO9001 quality management system certification, API Q1 system certification and HSE system certification. JST is dedicated to innovation, and has developed over 40 patented products and counting.

All products

Gate valve rubber polypak seal

The ESA valve rubber seal is a type of Polypak, it combines a rubber o-ring type and a conventional lip type seal to produce a unique sealing device.

PTFE gate valve seat seal

The PTFE gate valve seat seal is made of durable teflon, it is compatible with the Cameron gate valve type FC, FLS, and used in rotating equipment to minimize o-ring movement.

Stem U packing for type FC gate valve

JST's ESU series stem packings, also known as u packing, are designed to be placed between the stem and bonnet of Type FC gate valves. This stem packing gives you a reliable seal for superior performance.

PTFE Spring energized valve stem packing

Spring energized valve stem packing contributes to the overall performance of industrial operations. They serve the vital task of keeping oil and liquids in while keeping contaminants out.

Gate valve stem packing assembly

Spring energized valve stem packing contributes to the overall performance of industrial operations. They serve the vital task of keeping oil and liquids in while keeping contaminants out.

Gate valve stem packing seal

Spring energized valve stem packing contributes to the overall performance of industrial operations. They serve the vital task of keeping oil and liquids in while keeping contaminants out.

PEEK OFS ID face seal

ID Face Seal for Cameron Type FLS Gate Valves, are spring-loaded, pressure-energized lip seal that improve gate and seat service life for all Cameron style FLS gate valves.

PEEK OFS OD face seal

OD Face Seal are 100% compatible with Cameron Type FLS and FLS-R Gate Valves, It is spring-loaded and pressure-energized to improve gate and seat service life.

FLS valve spring energized face seal

It is an end face spring energized seal with both rigid and flexible elements, which gives consistent contact at the sealing interface.

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