Service life expectations for well service pump packing vary from hours to days depending on service severity. Fracturing operations with high concentrations of proppant may require packing replacement after each job. Cementing operations with cleaner fluids enable extended packing life. Monitoring packing condition and replacing before complete failure prevents cylinder damage. Predi... https://globalsealstech.com/product-category/oil-gas-seals/oil-free-lubricated-pump-seals/