How does EST valve stem packing ensure effective sealing?

The valve stem packing assembly refers to the sealing components used to prevent leaks from the stem of a valve. Valve stem packing plays a vital role in ensuring a long valve life.

JST EST valve stem packing has good sealing performance under working pressure and a certain temperature range, and can automatically improve the sealing performance with the increase of pressure, which is suitable for type FLS and FLS-R gate valves. This seal has passed the PR2 tests. They are built to meet the American Petroleum Institute’s high standards for design, materials, function and performance.

Advantages:

1. The sealing ring has strong anti-corrosion ability, is not easy to aging.

2. Has long working life and good wear resistance, and can be automatically compensated to a certain extent after wear.

Material:

PEEK, Elgiloy/SS steel, Filled PTFE


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