Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

Because life is fluid.


ENG  /  RO

ME high pressure ring section pump – Thetys Pumps
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ME high pressure ring section pump

Thetys Pumps / Products  / Pumps  / Ring section pumps / ME high pressure ring section pump

ME high pressure ring section pump

Long-life stage casing pumps for thermal power stations

Our ME pumps are specifically designed for boiler feed applications in thermal power stations. They are optimized to provide high-efficiency operation over an extended period of time, thus reducing operating and maintenance costs.

Main benefits
  • Optimized labyrinth design for high efficiency and good rotordynamic behavior
  • Shaft forged with low Length to Diameter (L/D) ratio for stable operation without critical speed problems and reduced vibration levels
  • Radial grooves provide increased radial stiffness, reduced effect on rotor tilting, and good rotor dynamic behavior
  • Swirl break at balancing piston to maintain rotor stability even when internal clearances are worn
  • Optimized shaft sealing design with jacket cooling and mechanical seal: pre-warming not required
Main applications
  • Main boiler feed in thermal power stations
  • Start-up boiler feed in thermal power stations
Main design features
  • Double suction first stage available in small sizes
  • Impellers are shrunk on, have keys for torque transmission, and use split ring for thrust loading
  • The pumps are provided with balance drum with shrunk on thrust collar, and oil press fit to avoid damage during transient conditions
  • Four-lobe journal bearing provides high stiffness and damping to minimize shaft movement
  • Fully rated double-acting, tilting-pad thrust bearing
  • Shrunk on coupling with oil press fit, parallel stepped or taper fit
Key characteristics
Capacities Up to 1,750 m3/h / 7,700 US gpm
Heads Up to 4,000 m / 13,120 ft
Pressures Up to 430 bar / 6,240 psi
Temperatures Up to 220°C / 430°F
Discharge sizes Up to 300 mm / 12 inches
Performance range

Performance range 50-60 Hz