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Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar)

Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar)

The AJ is a high pressure screw pump designed for machine tool coolant, with an internal drain hole that keeps pressure constant along the screw so the rotors are mechanically balanced.

Key features

  • It offers low noise, low pulsation, excellent self-priming, suitability for low-viscosity fluids (2-32 cSt) and excellent durability
  • Suction pressure -0.05 to 0.1 MPa, temperature 0-80 °C, noise 55-75 dB(A) at 3600 rpm; use a 25 um max suction filter
  • Available with flange outlet or relief valve (VB) and working pressures of 30-70 bar
  • Applications include machine tools, deep hole drilling, hydraulic machines, steel, paper, wind power, shipbuilding and plant industries
Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar) reference 2Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar) reference 3
AJ-230 Nominal flow: 29 L/min | Flow @1.0 MPa 3000/3600 rpm: 24 / 29 L/min | Max pressure in chart: 5.0 MPa | Motor (2-pole): 2.2 kW | Dim A: 152 mm | Dim B: 78 mm | Dim C: 76 mm | Dim TL: 354 mm | Inlet/Outlet: Rc 3/4" / Rc 3/4"
AJ-250-50 Nominal flow: 36 L/min | Flow @1.0 MPa 3000/3600 rpm: 30 / 36 L/min | Max pressure in chart: 8.0 MPa | Motor (2-pole): 2.2-7.5 kW | Dim A: 167 mm | Dim B: 70.5 mm | Dim C: 98 mm | Dim TL: 383.5 mm | Inlet/Outlet: Rc 1" / Rc 1"
AJ-250-70 Nominal flow: 36 L/min | Flow @1.0 MPa 3000/3600 rpm: 30 / 36 L/min | Max pressure in chart: 8.0 MPa | Motor (2-pole): 2.2-7.5 kW | Dim A: 167 mm | Dim B: 110.5 mm | Dim C: 90 mm | Dim TL: 415.5 mm | Inlet/Outlet: Rc 1" / Rc 1"
AJ-290 Nominal flow: 56 L/min | Flow @1.0 MPa 3000/3600 rpm: 47 / 56 L/min | Max pressure in chart: 7.0 MPa | Motor (2-pole): 3.0-11.0 kW | Dim A: 167 mm | Dim B: 110.5 mm | Dim C: 90 mm | Dim TL: 415.5 mm | Inlet/Outlet: Rc 1" / Rc 1"
High Pressure Coolant PumpsAryung
4 product codes available in this family
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Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar)

Brand Aryung·High Pressure Coolant Pumps

Available part numbers (4)

AJ-230, AJ-250-50, AJ-250-70, AJ-290

How to order

Send the Aryung part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar) reference 2Aryung AJ Series High Pressure Coolant Screw Pump (29-56 L/min, up to 70 bar) reference 3
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RFQ List (0)
Product codeSpec
AJ-230Nominal flow: 29 L/min | Flow @1.0 MPa 3000/3600 rpm: 24 / 29 L/min | Max pressure in chart: 5.0 MPa | Motor (2-pole): 2.2 kW | Dim A: 152 mm | Dim B: 78 mm | Dim C: 76 mm | Dim TL: 354 mm | Inlet/Outlet: Rc 3/4" / Rc 3/4"
AJ-250-50Nominal flow: 36 L/min | Flow @1.0 MPa 3000/3600 rpm: 30 / 36 L/min | Max pressure in chart: 8.0 MPa | Motor (2-pole): 2.2-7.5 kW | Dim A: 167 mm | Dim B: 70.5 mm | Dim C: 98 mm | Dim TL: 383.5 mm | Inlet/Outlet: Rc 1" / Rc 1"
AJ-250-70Nominal flow: 36 L/min | Flow @1.0 MPa 3000/3600 rpm: 30 / 36 L/min | Max pressure in chart: 8.0 MPa | Motor (2-pole): 2.2-7.5 kW | Dim A: 167 mm | Dim B: 110.5 mm | Dim C: 90 mm | Dim TL: 415.5 mm | Inlet/Outlet: Rc 1" / Rc 1"
AJ-290Nominal flow: 56 L/min | Flow @1.0 MPa 3000/3600 rpm: 47 / 56 L/min | Max pressure in chart: 7.0 MPa | Motor (2-pole): 3.0-11.0 kW | Dim A: 167 mm | Dim B: 110.5 mm | Dim C: 90 mm | Dim TL: 415.5 mm | Inlet/Outlet: Rc 1" / Rc 1"

Need a different model, or a part not listed here? Send us your parts list →