Break-in procedures for new packing involve gradual pressure increase allowing packing to seat properly. Initial operation at reduced pressure enables packing to conform to cylinder and plunger surfaces. Gradual pressure ramping prevents shock loading that damages new packing. Proper break-in extends packing life and improves sealing effectiveness. Field personnel must follow break-in... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/