Seals for Wireline in grease control heads use flow tubes that distribute sealant evenly around the cable. This creates a hydraulic barrier against well pressure. High-viscosity grease compatibility ensures long-term sealing in H2S environments. The seals accommodate lateral cable movement without losing integrity. Quick-change cartridges reduce maintenance time to under 10 minutes on... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/