Grooved-Coupling Rubber Gaskets
Grooved-fitting sealing rings offered in Guoheng’s own product listing.
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Valve rubber sleeves named in Guoheng’s published product range.
The supplier includes rubber valve sleeves among its sealing products. Select a sleeve against the actual valve body and operating movement rather than a generic nominal size. Supply the sleeve drawing, fluid and temperature, then agree compound, attachment interfaces and any reinforcement requirement with Guoheng for the particular valve being maintained.