UD / UDL / UDV / JDL / JDV

3P Prinz Pera-Prinz UD series twin-screw pumps for high viscosity fluids and products without suspended solids. UD / UDL / UDV: flow rate up to 1,000 m³/h (4,000 GPM) at up to 50 bar; JDL / JDV: up to 600 m³/h (2,650 GPM) at up to 149 bar (ANSI 900 rating). Viscosity up to 35,000 cSt, 200 to 2,200 rpm, temperature -46 to +350 °C (-60 °C on request). Horizontal and vertical versions.

Key technical parameters

• Flow rate: up to 1,000 m³/h (UD); up to 600 m³/h (JD)
• Pressure: up to 50 bar (UD); up to 149 bar (JD, ANSI 900)
• Fluid temperature: -46 to +350 °C (-60 °C on request)
• Viscosity: up to 35,000 cSt
• Shaft speed: 200 to 2,200 rpm
• Installation: Horizontal or vertical (UDV / JDV)
• Drive: Electric motor (ATEX, UL, NEMA versions; diesel on request)
• Screws: integral or reported; external bearings with permanently greased rolling bearings; oil-bath timing gears
• Seal: single or double mechanical seal or packing, with heating or cooling
• Pump body with heating or cooling chamber; integral or with reported liners
• Material: Cast iron, stainless steel, duplex and super duplex, Inconel, Hastelloy, nickel-aluminium bronze
• Standards: CE, ATEX; API 676 on request

Media handled

• Liquids: Crude oil, Fuel oil, Diesel, Lubricating oil, Bitumen, Resin, Latex, Solvent, Vegetable oil, Molasse
• Media properties: Low viscosity, High viscosity

Applications and industries

• Chemical: acids, resins, latex, solvents, paints, polyester
• Petrochemical: crude oil, fuel oil, bitumen, tar, lubricating oil
• Food: chocolate, edible fats, molasses, syrups, vegetable oils
• Marine and shipbuilding: tanker cargo, lubricants, bilge water