High & Medium pressure pumps D6
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High & Medium pressure pumps D6
Product catalog summary
Overview: The IMO D6 pump is a high-pressure, positive constant displacement rotary three-screw pump designed for applications involving lubricating oils, hydraulic fluids, fuel oils, and similar lubricating fluids. It features a simple design with only three moving parts, ensuring reliability and efficiency.
Specifications:
- High discharge pressure up to 25 MPa (250 bar).
- Flow range: 100-900 l/min.
- Wide viscosity range and low noise level.
- Available in 10 displacement steps and designed to meet API requirements.
- Self-priming with high suction lift capacity and pulsation-free flow.
Design Details:
- The pump consists of a central power rotor and two idler rotors, all hydraulically balanced.
- Mechanical shaft seals comply with DIN 24960 Standard.
- Available models include flange mounting and tank top mounting options.
Material Specifications:
- Pump rotors made of hardened alloy steel.
- Rotor housing is steel with a bronze lining.
- O-rings and shaft seals available in nitrile or Viton rubber.
Performance and Operation:
- Max discharge pressure varies by model: 25 MPa for D6 xxxZ and 12 MPa for D6 xxxY.
- Flow rate: 1.7 - 15 dm3/s (100 - 900 l/min).
- Max speed: 3,660 rpm, with a recommendation of 1,600 rpm for heavy fuel oil.
- Sound levels range from 59 to 79 dB(A) depending on pressure and rotor lead.
Installation and Accessories:
- Strainers recommended to protect from foreign matter, with a max mesh width of 800 µm.
- Direct drive over flexible shaft coupling required, allowing for axial movement.
- Standard accessories include circular frames for mounting, flexible shaft coupling, and electric motors.
Dimensions and Weight:
- Dimensions vary by pump size, with detailed measurements provided for each model.
- Weight ranges from 55 kg to 210 kg depending on the model.
Selection Guide:
- Flow rate and power consumption data provided for different speeds and pressures.
- Electric motor power selection should consider viscosity and discharge pressure at start-up.
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