RL3NB Series Triplex Mud Pump
  • RL3NB Series Triplex Mud Pump
  • RL3NB Series Triplex Mud Pump
  • RL3NB Series Triplex Mud Pump
  • RL3NB Series Triplex Mud Pump
  • RL3NB Series Triplex Mud Pump

    • RL3NB Series Triplex Mud Pump

    Our RL3NB series triplex single-action reciprocating mud pump is designed with longer stroke allowing the pump to work at a lower stroke rate. The optimized design helps to improve the suction performance of our products and extend the service life of the expendable parts. Triplex mud pumps of the RL3NB series are produced and tested strictly in accordance with the SY5138 standard formulated by Ministry of Petroleum Industry of China.

    ApplicationThese slurry pumps can be used for well drilling, well repair, long-distance liquid transportation, polymer filling and water injection in oil fields or other industrial and mining enterprises.

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    Composition RL3NB series triplex mud pump is mainly composed of the power end and the fluid end. The power end contains components like the base, the housing, main driving shaft, crank shaft, gear pair and connection rod crosshead. The fluid end is made up of parts including high pressure valve box, discharge manifold assembly and suction manifold assembly.

    Power End Based on requirements of customers, two lubrication ways are available to the herringbone gears, bearings, crossheads, sliding plates and guide plates of the power end.
    1. Splash gravity lubrication only.
    2. Dural lubrication: exteriorly forced lubrication combined with splash gravity lubrication.

    Fluid End Liners and pistons of the fluid end are spray-cooled with dedicated centrifugal pumps.

    • RL3NB-350
    • RL3NB-500
    • RL3NB-500A
    • RL3NB-600
    • RL3NB-800
    • RL3NB-1000A
    • RL3NB-1000D
    • RL3NB-1300A
    • RL3NB-1300D
    • RL3NB-1600
    RL3NB-350 Triplex Mud Pump
    Specification of RL3NB-350 Triplex Mud Pump
    Item RL3NB350
    Rated Power (hp/kW) 350 (257)
    Stroke Rate (SPM) 130
    Stroke Length (mm) 180
    Gear Ratio 4.483
    Suction Inlet Diameter(mm) 203
    Discharge Outlet Diameter(mm) 76
    Valve 5#
    Liner (mm) φ90--φ160
    Overall Dimension (L×W×H mm) 3600×2080×2015
    Approximate Weight (kg) 8058
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ90 φ100 φ110 φ120 φ130 φ140 φ150 φ160
    31 25 20.8 17.5 14.9 12.8 11.2 9.8
    Displacement (L/S)
    130 7.44 9.18 11.11 13.23 15.52 18.00 20.67 23.51
    120 6.87 8.48 10.26 12.21 14.33 16.62 19.08 21.70
    110 6.29 7.77 9.40 11.19 13.13 15.23 17.49 19.90
    100 5.72 7.07 8.55 10.17 11.94 13.85 15.90 18.09
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-500 Triplex Mud Pump
    Specification of RL3NB-500 Triplex Mud Pump
    Item RL3NB500
    Rated Power (hp/kW) 500 (368)
    Stroke Rate (SPM) 120
    Stroke Length (mm) 180
    Gear Ratio 4.696
    Suction Inlet Diameter(mm) 203
    Discharge Outlet Diameter(mm) 83
    Valve 5#
    Liner (mm) φ100--φ170
    Overall Dimension (L×W×H mm) 3600×2230×2080
    Approximate Weight (kg) 9484
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ100 φ110 φ120 φ130 φ140 φ150 φ160 φ170
    35 29.6 24.9 21.2 18.3 16 14 12
    Displacement (L/S)
    120 8.48 10.26 12.21 14.33 16.62 19.08 21.70 24.50
    110 7.77 9.40 11.19 13.13 15.23 17.49 19.90 22.46
    100 7.07 8.55 10.17 11.94 13.85 15.90 18.09 20.42
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-500A Triplex Mud Pump
    Specification of RL3NB-500A Triplex Mud Pump
    Item RL3NB500A
    Rated Power (hp/kW) 500 (368)
    Stroke Rate (SPM) 135
    Stroke Length (mm) 196
    Gear Ratio 4.696
    Suction Inlet Diameter(mm) 203
    Discharge Outlet Diameter(mm) 83
    Valve 5#
    Liner (mm) φ100--φ170
    Overall Dimension (L×W×H mm) 3600×2230×2080
    Approximate Weight (kg) 11000
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ100 φ110 φ120 φ130 φ140 φ150 φ160 φ170
    35 29.6 24.9 21.2 18.3 16 14 12
    Displacement (L/S)
    135 10.39 12.57 14.96 17.55 20.36 23.37 26.59 30.01
    120 9.23 11.17 13.29 15.60 18.09 20.77 23.63 26.68
    110 8.46 10.24 12.19 14.30 16.59 19.04 21.66 24.46
    100 7.69 9.31 11.08 13.00 15.08 17.31 19.69 22.23
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-600 Triplex Mud Pump
    Specification of RL3NB-600 Triplex Mud Pump
    Item RL3NB600
    Rated Power (hp/kW) 600 (441)
    Stroke Rate (SPM) 135
    Stroke Length (mm) 196
    Gear Ratio 4.696
    Suction Inlet Diameter(mm) 203
    Discharge Outlet Diameter(mm) 83
    Valve 5#
    Liner (mm) φ100--φ180
    Overall Dimension (L×W×H mm) 3600×2230×2080
    Approximate Weight (kg) 11000
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ100 φ110 φ120 φ130 φ140 φ150 φ160 φ170 φ180
    35 29.6 24.9 21.2 18.3 16 14 12 10.7
    Displacement (L/S)
    135 10.39 12.57 14.96 17.55 20.36 23.37 26.59 30.01 33.65
    120 9.23 11.17 13.29 15.60 18.09 20.77 23.63 26.68 29.91
    110 8.46 10.24 12.19 14.30 16.59 19.04 21.66 24.46 27.42
    100 7.69 9.31 11.08 13.00 15.08 17.31 19.69 22.23 24.93
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-800 Triplex Mud Pump
    Specification of RL3NB-800 Triplex Mud Pump
    Item RL3NB800
    Rated Power (hp/kW) 800 (588)
    Stroke Rate (SPM) 130
    Stroke Length (mm) 273
    Gear Ratio 3.482
    Suction Inlet Diameter(mm) 254
    Discharge OutletDiameter (mm) 101
    Valve 6#
    Liner (mm) φ120--φ180
    Overall Dimension (L×W×H mm) 3900×2155×2052
    Approximate Weight (kg) 17200
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ100 φ110 φ120 φ130 φ140 φ150 φ160 φ170 φ180
    35 33 27.7 23.6 20.3 17.7 15.6 13.8 12.3
    Displacement (L/S)
    130 13.93 16.86 20.06 23.54 27.30 31.34 35.66 40.26 45.13
    120 12.86 15.56 18.52 21.73 25.20 28.93 32.92 37.16 41.66
    110 11.79 14.26 16.97 19.92 23.10 26.52 30.17 34.06 38.19
    100 10.72 12.97 15.43 18.11 21.00 24.11 27.43 30.97 34.72
    90 9.64 11.67 13.89 16.30 18.90 21.70 24.69 27.87 31.25
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-1000A Triplex Mud Pump
    Specification of RL3NB-1000A Triplex Mud Pump
    Item RL3NB1000A
    Rated Power (hp/kW) 1000 (735)
    Stroke Rate (SPM) 125
    Stroke Length (mm) 273
    Gear Ratio 3.482
    Suction Inlet Diameter(mm) 254
    Discharge OutletDiameter (mm) 101
    Valve 6#
    Liner (mm) φ120--φ180
    Overall Dimension (L×W×H mm) 3900×2240×2052
    Approximate Weight (kg) 17500
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ120 φ130 φ140 φ150 φ160 φ170 φ180
    35 33 28 24 21 19 15
    Displacement (L/S)
    125 19.29 22.64 26.25 30.14 34.29 38.71 43.40
    120 18.52 21.73 25.20 28.93 32.92 37.16 41.66
    110 16.97 19.92 23.10 26.52 30.17 34.06 38.19
    100 15.43 18.11 21.00 24.11 27.43 30.97 34.72
    90 13.89 16.30 18.90 21.70 24.69 27.87 31.25
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-1000D Triplex Mud Pump
    Specification of RL3NB-1000D Triplex Mud Pump
    Item RL3NB1000D
    Rated Power (hp/kW) 1000 (735)
    Stroke Rate (SPM) 125
    Stroke Length (mm) 273
    Gear Ratio 3.482
    Suction Inlet Diameter(mm) 254
    Discharge OutletDiameter (mm) 101
    Valve 6#
    Liner (mm) φ120--φ180
    Overall Dimension (L×W×H mm) 4600×2240×2052
    Approximate Weight (kg) 18000
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ120 φ130 φ140 φ150 φ160 φ170 φ180
    35 33 28 24 21 19 15
    Displacement (L/S)
    125 19.29 22.64 26.25 30.14 34.29 38.71 43.40
    120 18.52 21.73 25.20 28.93 32.92 37.16 41.66
    110 16.97 19.92 23.10 26.52 30.17 34.06 38.19
    100 15.43 18.11 21.00 24.11 27.43 30.97 34.72
    90 13.89 16.30 18.90 21.70 24.69 27.87 31.25
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-1300A Triplex Mud Pump
    Specification of RL3NB-1300A Triplex Mud Pump
    Item RL3NB1300A
    Rated Power (hp/kW) 1300 (955)
    Stroke Rate (SPM) 120
    Stroke Length (mm) 305
    Gear Ratio 4.194
    Suction Inlet Diameter(mm) 305
    Discharge OutletDiameter (mm) 101
    Valve 6#/7#
    Liner (mm) φ130--φ190
    Overall Dimension (L×W×H mm) 4300×2450 ×2513
    Approximate Weight (kg) 21500
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ130 φ140 φ150 φ160 φ170 φ180 φ190
    35 31 27 24 21 19 17
    Displacement (L/S)
    120 24.28 28.16 32.32 36.78 41.52 46.54 51.86
    110 22.25 25.81 29.63 33.71 38.06 42.67 47.54
    100 20.23 23.46 26.94 30.65 34.60 38.79 43.22
    90 18.21 21.12 24.24 27.58 31.14 34.91 38.89
    80 16.19 18.77 21.55 24.52 27.68 31.03 34.57
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-1300D Triplex Mud Pump
    Specification of RL3NB-1300D Triplex Mud Pump
    Item RL3NB1300D
    Rated Power (hp/kW) 1300 (955)
    Stroke Rate (SPM) 120
    Stroke Length (mm) 305
    Gear Ratio 4.194
    Suction Inlet Diameter (mm) 305
    Discharge Outlet Diameter(mm) 101
    Valve 6#/7#
    Liner (mm) φ130--φ190
    Overall Dimension (L×W×H mm) 5050×2450×2625
    Approximate Weight (kg) 23000
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ130 φ140 φ150 φ160 φ170 φ180 φ190
    35 31 27 24 21 19 17
    Displacement (L/S)
    120 24.28 28.16 32.32 36.78 41.52 46.54 51.86
    110 22.25 25.81 29.63 33.71 38.06 42.67 47.54
    100 20.23 23.46 26.94 30.65 34.60 38.79 43.22
    90 18.21 21.12 24.24 27.58 31.14 34.91 38.89
    80 16.19 18.77 21.55 24.52 27.68 31.03 34.57
    Based on 100% volumetric efficiency and 90% mechanical efficiency
    RL3NB-1600 Triplex Mud Pump
    Specification of RL3NB-1600 Triplex Mud Pump
    Item RL3NB1600
    Rated Power (hp/kW) 1600 (1176)
    Stroke Rate (SPM) 120
    Stroke Length (mm) 305
    Gear Ratio 3.657
    Suction Inlet Diameter (mm) 309
    Discharge Outlet Diameter(mm) 128
    Valve 7#
    Liner (mm) φ140--φ190
    Overall Dimension (L×W×H mm) 5500×2822×2660
    Approximate Weight (kg) 27100
    Stroke per Minute Liner Size (mm) and Rated Pressure (Mpa)
    φ140 φ150 φ160 φ170 φ180 φ190
    35 33 29 26 23 21
    Displacement (L/S)
    120 28.16 32.32 36.78 41.52 46.54 51.86
    110 25.81 29.63 33.71 38.06 42.67 47.54
    100 23.46 26.94 30.65 34.60 38.79 43.22
    90 21.12 24.24 27.58 31.14 34.91 38.89
    80 18.77 21.55 24.52 27.68 31.03 34.57
    Based on 100% volumetric efficiency and 90% mechanical efficiency
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