Hydraulic stuffing boxes offer remote operation for safety in high-pressure wells. Hydraulic pistons apply uniform force to packing glands, maintaining consistent seal without manual intervention. They include manual overrides for power loss. These designs suit offshore platforms or hazardous environments, reducing personnel exposure. Pressure-balanced systems minimize cable drag, ext... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/