Complies with API-682 technical design, manufacture and test requirements.
Patented "Cooling-Liquid Guiding Structure" & maximize pump ring design. Self-flushing that takes away quickly the heat produced by the friction components.
Interchangable multi-spring device design. The spring has enough support strength to compliant the compensation. Spring is isolated from operating product. Non-clogging. Excellent double seat for rotating equipment in heavy oil, high slurry and viscosity chemicals application.
Back-to-Back design, meets to API "3CW-BB" contacting wet seals in a back-to-back configuration. Fits to either an API Flush Plan 52, 53 or 54.
Special rotary design that resists movement of 0.5m/m each side under operation.