
pump , Iran
- Price :To negotiate
- order by whatsapp
The two-stage gear pump is a hydraulic pump designed to supply oil flow at two different pressures simultaneously. Each stage can generate pressures from 100 to 300 bar and flow rates between 10 and 100 liters per minute. The pump body is made of alloy steel or aluminum, providing high resistance to pressure and corrosion. Gears and drive shaft are precisely machined and heat-treated to achieve volumetric efficiency above 90 percent and long service life. This pump is suitable for heavy machinery, industrial hydraulics, and steering and travel systems.
Structurally, the two-stage gear pump consists of two pairs of internal gears, drive shaft, bearings, side plates, and a robust sealing system. Pump installation can be horizontal or vertical, with connection to the motor via direct coupling or pulley. Seals and O-rings are made of NBR or Viton for heat and oil resistance. Operating temperature ranges from -20 to 120°C, and service life exceeds 10,000 hours.You can order and buy pump from Iran by contacting us through whatsaap and email.
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Types of Two-Stage Gear Pumps and Their Technical Differences
Two-stage gear pumps are classified into parallel and series types based on gear arrangement and output pressure. Parallel type has two independent gears generating combined flow, with each stage maintaining similar pressure to the first stage. Series type transfers pressure from one stage to the next, summing pressures at the outlet, suitable for high-pressure systems. Body material, internal coating, and temperature tolerance are additional differences affecting efficiency, noise, and service life. Pump selection based on flow rate, pressure, and operating temperature directly impacts hydraulic system performance.

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