The Robot Pumps heavy duty NiHard submersible pump type RD4021 is equipped with a recessed NI Hard 4 vortex impeller. The pump is designed for use in rough conditions and all the hydraulic components are of NI Hard 4 which is harder than silica and quartz sand. The use of this material also reduces weight and makes the pumps easier to handle. Due to the large solids passages is the pump suitable for various applications with abrasive solids, fibrous materials, sand, cement, bentonite or other sludge. For every application there is a suitable speed with corresponding motor size which varies from 5 kW by 2900rpm up to 9 kW by 2900rpm. The pump is available for a permanent fixed installation or you can choose for a free-standing or transportable installation.
Solids passage: 65 mm
Discharge diameter: 72 mm
Suction diameter: 67 mm
Minimum capacity: 3,5 l/s (13 m³/h)
Robot RD4021
Here you can find the exploded view, spare part list and manual of the RD4021BJ and RD4021BR
Downloads
- Robot Pumps model RD4021BJ (Basic version - 499.00) spare part list (0.33 Mb)
- Robot Pumps model RD4021BJ (Explosion proof version - 566.01) spare part list (0.31 Mb)
- Robot Pumps model RD4021BR (Basic version - 499.00) spare part list (0.33 Mb)
- Robot Pumps model RD4021BR (Explosion proof version- 566.01) spare part list (0.31 Mb)
- Robot Pumps RD-Series (Basic version) operation & maintenance manual (0.66 Mb)
- Robot Pumps RD-Series (Explosion proof version) operation & maintenance manual (0.78 Mb)