Welcome to Our Production Workshop 2026-03-31

We provide reliable API 682 seal systems and auxiliary solutions for centrifugal pumps, slurry pumps, compressors and reactors, and welcome global customers for visits and cooperation.

API 682 Plan 72 + Plan 75 Seal Support System | Finished Product Display 2026-03-30

Our API 682 Plan 72+Plan 75 integrated seal support system supplies nitrogen buffer protection and centralized leakage collection for dual mechanical seals. Ideal for petrochemical, oil & gas pumps with toxic, volatile process media, ensuring safety, environmental compliance and stable sealing performance.

Plan 72+75 Seal Support System: Zero Emission & API-Compliant Solution 2026-03-28

This API-standard Plan 72+75 system ensures zero fugitive emissions, real-time leakage control, long service life and customization, ideal for global industrial and overseas project applications.

53B Seal Support System 2026-03-26

Our 53B seal support system features steady high order volumes. We partner with global distributors and vendors via strategic cooperation, OEM/ODM, wholesale and exclusive agency.

Seal Auxiliary Systems & OEM Manufacturing 2026-03-25

We are a leading supplier of mechanical seal support systems. Our systems division produces high-quality mechanical seal auxiliary systems constantly, operates around the clock to meet global demand, and welcomes custom solutions.

What are the common types of pumps that use mechanical seals and seal support systems? 2026-03-21

Generally speaking, almost all chemical process pumps, oil pumps, high-pressure centrifugal pumps, high-temperature pumps, corrosion-resistant pumps, slurry pumps, and API610 pumps must use mechanical seals + seal support systems to achieve zero leakage, long service life, and safe & stable operation.

Professional Mechanical Seal Manufacturer | Dandong Runhe Seal Co.,Ltd. 2026-03-21

Professional mechanical seal manufacturer supplying cartridge type mechanical seals, Plan 72/76 auxiliary systems, quality elastomers, installation support and full technical details. Custom solutions available.

API Plan 52 Seal System in Production 2026-03-18

Our Plan 52 sealing system ensures stable, reliable performance and wide adaptability. With large global exports, it lowers costs and extends equipment life. Contact us for professional support and long-term cooperation.

API Plan 53B Systems in Production 2026-03-17

Our workshop runs at full capacity producing API Plan 53B systems. They feature high safety, stable operation, zero leakage, and easy maintenance. We welcome global partners for win-win cooperation.

Plan 32 Seal Flush System — Reliability for Harsh Conditions 2026-03-16

Plan 32 provides clean, cool, high-pressure flush to cool, lubricate, clean and isolate seal faces, greatly improving reliability and reducing equipment downtime.

Cartridge Mechanical Seals 2026-03-14

Our cartridge mechanical seals are pre-assembled for fast, easy installation. They eliminate human error, ensure stable performance, reduce leakage, and lower maintenance costs for pumps.

Plan 53B Pressurized Barrier System 2026-03-13

Our Plan 53B system delivers stable pressure control, zero emissions. It reduces downtime and is ideal for remote, unmanned, and hazardous fluid applications.