VDC

3P Prinz Pera-Prinz VDC vertical twin-screw pumps with two pairs of screws, externally supported, for transferring high viscosity fluids free of suspended solids, for naval and construction duties on oil tankers, barges, container carriers and FPSOs. Flow rate up to 600 m³/h (2,650 GPM), pressure up to 50 bar, viscosity up to 35,000 cSt, 200 to 2,200 rpm, temperature -46 to +350 °C (-60 °C on request).

Key technical parameters

• Flow rate: up to 600 m³/h (2,650 GPM)
• Pressure: up to 50 bar
• Fluid temperature: -46 to +350 °C (-60 °C on request)
• Viscosity: up to 35,000 cSt
• Shaft speed: 200 to 2,200 rpm
• Installation: Vertical
• 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
• Media properties: Low viscosity, High viscosity

Applications and industries

• Oil tankers, barges and container carriers
• FPSOs and offshore platforms
• Petrochemical and oil and gas transfer