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Back pressure regulator UV 2.6
Pump protection for heavy crude oil loading facilities in a german refinery

The refinery – one of the most modern in Europe – has an annual capacity of over 10 million tonnes of crude oil. This oil is brought to the plant via large pipeline systems from i.e. Rotterdam. Due to the high viscosity of the oil at the heavy crude oil loading facilities (up to 650 cSt at a temperature of 85 °C), two eccentric spiral pumps are in use. Pump performance is enhanced by backpressure regulators which guard against overpressure hazards caused by fluctuations in system operations.

UV 1.6, 2.6

Mankenberg`s weight loaded UV 2.6 back pressure regulators are suitable for highly viscous media applications. These twin seat valves are designed for a flow capacity of 125 or 250 m³/h and temperatures up to 200 °C. Some design modifications were carried out for this specific application: sense lines are not provided and unused space has been minimised as far as possible. In addition to that the customer carried out a trace heating of the valve.

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