The Pump Company Ltd

United Kingdom

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Positive Displacement - V - Series Internal Gear Pumps - Varisco A positive displacement pump has a capacity directly proportional to the rotational speed and virtually independent of the differential pressure, they are available in several different types: Internal/External Gear Pumps; Screw Pumps; Lobe/Wing Pumps etc. Gear pumps are used in all types of manufacturing industries for the transportation of both thin and thick liquids, from chocolate to diesel fuel. Our gear pumps have sturdy design, offering high reliability as well as long life. Varisco's V gear pump

design is based on an internal idler gear rotating inside of a larger rotor. Internal gear pumps are robust, give an even flow, handle both low and high viscosity products, are capable of high pressure and are self-priming. The V Range is very versatile and is suitable for a wide range of engineering applications. Summary of Features Simple design with only 2 moving parts for reliable service Robust Heavy duty design for long life & reliability Smooth flow without pulsations Several Shaft Sealing options: Mechanical Seal (Single, double, Cartridge, Mag Drive) – Packed Gland (Flushed, Heated) Several options on pump configuration and materials (Jackets, PRV) Reversible – 100% Flow in either direction of rotation Specially profiled teeth for reduced wear and longer service Anti-galling surface treatment for versions for solvents Applications Petrochemicals/Chemicals Chocolate & Food Production Adhesives & Resin Paint & Ink Pulp & Paper Pharmaceutical Operational Limits Capacity: 0.3-350m³/hr Pressure: Up to 20 Bar Port Sizes: DN 15-300mm (½-10") Temperature: -60 - +300°C Viscosity: Up to 60,000 cSt Materials of Construction Wetted Parts – Ductile Iron, 316 Stainless Steel, Hardened Steel Shaft – Hardened Steel, 329 Stainless Steel Internal Bushing – Bronze, Graphite, Hardened Steel, Tungsten Carbide, Cast Iron Idler Pin – Hardened Steel, Tungsten Carbide, 329 Stainless Steel
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