Dowty OP Series Single Pump

The Dowty OP Series Single Pump is a compact and reliable external gear pump designed for low to medium flow hydraulic applications. It offers consistent performance with high-pressure capability (up to around 207 bar) and operates efficiently across a wide speed range. Known for its durable construction and smooth operation, this series is ideal for industrial machinery, machine tools, and mobile hydraulic systems where precision and reliability are essential.

  • Check Mark Operating Pressure : High Performance Range
  • Check Mark Application : Industrial & Mobile Systems

 

About This Item

The Dowty OP Series is a range of high-precision, external hydraulic gear pumps designed by Dynamatic Technologies in technical collaboration with Dowty Hydraulic Units Limited. These single pumps are optimized for high mechanical and volumetric efficiency in industrial and mobile hydraulic applications.

 

Performance Data

Pressures quoted are relief valve maximum by-pass Performance with SAE 20W oil at 50°C

PUMP TYPE Nominal Displacement
cc/rev
Nominal Delivery @1500 rpm & Pressure P
lpm
Maximum Continuous Pressure P Speed at Maximum Continuous Pressure P
psi bar max min
3003 0.80 1.20 3000 207 4000 500
3004 1.20 1.80 3000 207 4000 500
3006 1.67 2.50 3000 207 4000 500
3008 2.27 3.40 3000 207 4000 500
3011 3.20 4.80 3000 207 4000 500
3013 3.87 5.80 3000 207 4000 500
3015 4.53 6.80 3000 207 4000 600

Operational Constraints

  • Temperature Range: Designed to operate between 0°C and 90°C, with intermittent peaks up to 100°C.
  • Fluid Viscosity: For optimal performance, mineral-oil-based hydraulic fluids should be maintained between 20 – 100 CST (97 – 456 SUS).
KEY SPECIFICATIONS
Series OP Series Single Pumps
Maximum Continuous Pressure 207 bar (3000 PSI)
Displacement Range 0.80 to 4.53 cc/rev
Speed Range (Min–Max) 500 – 4000 RPM
Rotation Bi-directional (model dependent)
Construction Material Cast Iron Body with Alloy Steel Internals
Mounting Type Flange / Foot Mounted
Sealing Type High-pressure shaft seals
PERFORMANCE PARAMETERS
Operating Temperature 0°C to 90°C (Peak up to 100°C)
Fluid Compatibility Mineral Oil-Based Hydraulic Fluids
Recommended Viscosity

20 – 100 cSt (97 – 456 SUS)

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