What ensures long-term reliability and stable operation of tandem mechanical seals under harsh and hazardous working conditions?
In our latest workshop showcase, we present our premium API 682 Plan 52 seal support system, professionally known as the buffer fluid reservoir assembly, which is widely deployed for industrial pump sealing protection.

Adopting a standard unpressurized design compliant with API 682 specifications, the Plan 52 system operates via thermosiphon effect and integrated pumping ring to continuously circulate clean buffer fluid between the mechanical seal chamber and the reservoir. Requiring no external pressure supply, this streamlined structure delivers stable cooling, lubrication and isolation for tandem seals, effectively stabilizing the internal operating environment of sealing components.

Engineered for rigorous industrial scenarios, the system is highly applicable to process pumps handling flammable, toxic and explosive media in chemical, petrochemical and refinery facilities. By optimizing seal operating conditions, it significantly extends the service life of mechanical seals, minimizes equipment wear and reduces unplanned production downtime, bringing stable and cost-effective sealing solutions for industrial operation teams.

We adhere to standardized production and strict quality control for every seal support system to meet high-standard industrial sealing requirements. If you have technical inquiries or application experience of API 682 Plan 52 systems, welcome to connect and communicate with our professional team.

Dandong Runhe Seal Co.,Ltd.
Add：No.70-43, Wenqing Road, Instrument and Apparatus Park, Dandong, Liaoning, China.
Tel.：86-415-5711666
Mob: 0086-18541507008
Email：export@rhseal.com
Web：www.rhseal.com  

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