Installation procedures require clean stuffing boxes and proper ring orientation. All components must be free of debris, old packing material, and damage. V-rings install with lips facing pressure direction. Compression must be applied gradually and uniformly. Over-compression damages packing causing premature failure. Under-compression allows leakage. Following manufacturer installat... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/