Single acting Grundfos Mechanical Pump Seal is well known for its long lasting quality and ergonomic design. Specially designed for Grundfos pump, this pump seal uses stationary and dynamic ring based seal face made of tungsten carbide or silicon carbide. Material like NBR/EPDM/Viton has been chosen to design its secondary sealing component. To extend its service life, stainless steel of 304 grade or 316 grade has been used to design its hardware accessory. Quick to install, offered pump seal uses shaft of specific size. Wide operating temperature range of this Grundfos product has made it the most sought after mechanical sealing components available in the market.