The VCB series internal gear pump made of cast iron is designed for a wide range of viscous, clean, non-aggressive liquids. Advantages of the pump: simple and compact design, only two moving parts and one shaft seal, making it a low-cost pump, reliable and easy to maintain, adjustable end clearance for low or high viscosity, high temperatures or to compensate for wear over time. Shaft sealing options are available, including mechanical seals, stuffing box seals.