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Nachi VDS – Variable Volume Vane Pump

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Nachi are a world-class manufacturer of pumps, valves, flow controls, hydraulic power units and other products. Known not only for product excellence but for our competitive pricing and product availability.

High efficiency operation with minimal power loss

All the performance of the original new VDR series mechanisms combines with precision machining for a pump that minimizes power loss, especially at full cutoff.

Quiet Operation

Journal bearings with a proven record on IP pumps plus new suction and discharge port configurations reduce operating noise and deliver quiet operation with minimal vibration, even in the high pressure range.

Compact and simple design, easy operation

Compact and quiet, VDS Series variable vane pumps are economical and easy to handle. A simple design allows use in a wide range of hydraulic systems.

Precise characteristics, prompt response

Prompt response at both ON-OFF and OFF-ON ensures instantaneous, stable, high-precision operation.

Solidly built for high efficiency and long life

VDS Series pumps are built to last, with a design that incorporates years of NACHI experience and know-how. Specially selected materials and skilled workmanship provide outstanding durability along with stable, high-efficiency operation.

Product Features

Foot Mounting

Description VDS-OA-1A1-E11 VDS-OA-1A2-E11 VDS-OA-1A3-E11
 Delivery at 1800 R.P.M  15 L/min
(4.0 GPM)
1L/min
(7.9 GPM)
30 L/min
(7.9 GPM)
 Delivery at 1500 R.P.M   12.5 L/min
(3.3 GPM)
 25 L/min
(6.6 GPM)
 25 L/min
(6.6 GPM)
 Max Drive Speed  1800 rpm  1800 rpm  1800 rpm
 Min Drive Speed  800 rpm  800 rpm  800 rpm
 Max Pressure  20 kgf/cm²
(286 Psi)
 35 kgf/cm²
(500 Psi)
 70 kgf/cm²
(1000 Psi)
 Weight  6.5 Kg 6.5 Kg 6.5 Kg

Flange Mounting

Description VDS-OB-1A1-E11 VDS-OB-1A2-E11 VDS-OB-1A3-E11
 Delivery at 1800 R.P.M  15 L/min
(4.0 GPM)
1L/min
(7.9 GPM)
30 L/min
(7.9 GPM)
 Delivery at 1500 R.P.M   12.5 L/min
(3.3 GPM)
 25 L/min
(6.6 GPM)
 25 L/min
(6.6 GPM)
 Max Drive Speed  1800 rpm  1800 rpm  1800 rpm
 Min Drive Speed  800 rpm  800 rpm  800 rpm
 Max Pressure  20 kgf/cm²
(286 Psi)
 35 kgf/cm²
(500 Psi)
 70 kgf/cm²
(1000 Psi)
 Weight 4.5 Kg 4.5 Kg 4.5 Kg

Nachi – VDS – Variable Volume Vane Pump – Datasheet

Additional Information

Hydraulic Pump Units

Vane Pump

Manufacturer

Nachi

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