NP&P has a full-service, new mechanical seal and mechanical seal repair facility including lapping, testing and assembly. We repair all types and sizes of mechanical seals. We are a master distributor for tungsten carbide, silicon carbide, and ceramic faces for all types of seals, both standard and custom engineered. All cartridge seals fully pressurized and tested. Ship us your old seal for a repair proposal. In addition, we maintain a large inventory for trade-in, trade-up. Our product offering includes component, cartridge, and split mechanical seals… packing… slurry cartridge seals… a full line of welded bellows seals including ANSI and API compliant products… boiler feed and high pressure power plant seals… true 2-piece cartridge split seals as well as custom engineered products to meet your specific requirements.