API Screw Rotary Pump

Brand Name:AIPU Solids
Certification:API, ISO
Model Number:APG
Minimum Order Quantity:1 Set
Delivery Time:1 week
Payment Terms:L/C, T/T
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Manufacturer APG Screw pump convey mud to centrifuge in oil drilling mud system

What is a screw pump and Which job can it do?

It applies to deliver lubricating medium, such as oil, bitumen, slurry, drilling mud with the viscosity of 3-760cSt at a temperature below 350°C.

The pump’s working pressure range from 0.6Mpa to 2.5Mpa.

The flow rate ranges from 0.6m3/h to123 m3/h.

They are mainly suited to fuel delivery, hydraulic engineering, shipping engineering, petrochemical, and other industry fields.

Standard seal: Mechanical seal, packing seal is available.

Direction: CW seems from the motor side.


Screw pumps mainly consisted of the discharge port, the stator, the rotor, the flexible section, the middle axis, suction room, seal, bearing, driveshaft, bearing body. Among these parts, the wearing parts are the rotor and stator. The screw pump wet parts can be made of stainless, steel, and the high quality rubber. According to different fluids' content and property, we'll provide a certain configuration on screw pumps. For example, the abrasive material we kindly suggest use the special rubber instead of stainless steel. As we know, the S.S can't adapt abrasive material but corrosive material. Compared to other pumps, screw pump is not easy to lead swirl. This helps much to maintain pump capacity. It is not sensitive to viscosity so it is capable to transfer material with high viscosity


Screw pump transfer drilling fluid via the screw conveyor rotation. Center screw pole is the positive pole, the two sides screw conveyor are negative pole. Negative poles rotate in the opposite direction with a positive pole.


Aipu screw Pump features

  • Medium is delivered continuously without agitation and pulsation.

  • Small vibration and low noise.

  • High pressure and high efficiency.

  • Simple structure and easy assemble.

  • Small volume and lightweight.

  • Wearable and long life.


Actually, when the screw axis is rotating, the lower Vroom will become large. Vroom will close against fluid sucked. The closed room will be pushed forward along the axle. Then a new suction cavity generates on suction end. One and one closed cavity move forward, the fluid will be pressed out.


How to select a screw pump?

Yes. It's depending on the centrifuge flow rate request. The screw pump APG series holding capacity from 8m³/h-350m³/h. Besides the solids control system, a screw pump can be used in other applications, too. For the drilling mud process, the centrifuge feeding pump is a rather typical use of screw pump. Compared to other pumps, screw pumps holding shorter life or operation life considering the wearing parts. But it's a compact and high effect, many users prefer it then


Please check below technical specifications for your reference.


ModelSpeedCapacityPressureHeadPowerOutlet flangePermitted solids Dia.Fiber length
APG35-2960rpm8m³/h1.2Mpa120m4kw50mm3mm40mm
APG40-112m³/h0.6Mpa60m4kw65mm3.8mm45mm
APG40-212m³/h1.2Mpa120m5.5kw65mm3.8mm45mm
APG50-120m³/h0.6Mpa60m5.5kw80mm5mm50mm
APG50-220m³/h1.2Mpa120m7.5kw80mm5mm50mm
APG60-130m³/h0.6Mpa60m11kw100mm6mm60mm
APG60-230m³/h1.2Mpa120m15kw100mmmmmm
APG70-1720rpm45m³/h0.6Mpa60m11kw125mm8mm70mm
APG70-245m³/h1.2Mpa120m15kw125mm8mm70mm
APG85-165m³/h0.6Mpa60m15kw250mm10mm80mm
APG85-265m³/h1.2Mpa120m18.5kw150mm10mm80mm
APG105-1145m³/h0.6Mpa60m22kw200mm15mm110mm
APG105-2145m³/h1.2Mpa120m30kw200mm15mm110mm
APG135-1350m³/h0.6Mpa60m37kw250mm20mm150mm
APG135-2350m³/h1.2Mpa120m45kw250mm20mm150mm

For any interest or demand on the centrifuge screw pump, please feel free to contact us. You will get a free offer very soon.


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API Screw Rotary Pump

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