Recently, multiple production lines at Runhe Seal’s manufacturing base in Dandong have commenced mass production of mechanical seal support systems. Manufactured in strict

accordance with API 682 international standards, our product range fully covers Plan 52, Plan 53A, Plan 53B configurations together with dedicated heat exchangers, catering to most

auxiliary working conditions for pump mechanical seals.

Widely applied in petrochemical, coal chemical, pharmaceutical, oil & gas transmission, paper-making and chemical fiber industries, these systems deliver core protections for double

mechanical seals including barrier fluid circulation cooling, pressure stabilization, medium isolation and leakage early warning.

With stable and sufficient production capacity at present, we sincerely welcome new and existing overseas customers for inquiries and business negotiations.

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