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3NBB-390/15 Triplex Single Action Piston Pump

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seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-13 18:45
Browse the number: 90
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Product details
3NBB-390/15 Mud Pump
Structure Features
Horizontal triplex single-acting piston pump
Herringbone gear transmission, low transmission noise, no axial force, more durable bearings
Oversized crankcase design, crank bearings which the models are the same as large mud pumps ensure the pump keep durability for long time under high pressure condition.
Adopting API specs, frame in welding structure, light weight, large strength.
L-shaped forging pump head, retaining the advantage of easy to replace the wearing parts, improving pressure-resistant and safety of pump head , eliminating phenomenon of casting pinhole.
6. No liner gland, no sealing problem.
Rear-mounted liner structure (bi-metal liner) which is easy to assemble and disassemble
The connection of pull rod adopts international advanced technology, which makes piston replaced conveniently. The auxiliary time is 70% shorter than normal mud.
Five-speed gearbox, you can adjust the flow rate at will
Main Technical Parameters

Piston Stroke (mm) 140
Cylinder Liner Dia (m) Φ100
ID of Suction Pipe (mm) Φ102
ID of Discharge Pipe (mm) Φ50
Rated Pump Speed (Num/min) 130 85 53 30 18
Rated Flow Rate (L/min) 390 250 160 90 52
Rated Pressure (MPa) 8 11
Max Pressure (MPa) 9 12 15
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