Backpack-Style Progressing Cavity Pump in Industrial Design | Meijia Pump-China Screw pump,PC pumps,Progressive cavity pumps Factory,Supplier,Manufacturer-MEIJIA PUMP

Backpack-Style Progressing Cavity PUMP

MJ backpack-style pump places the motor above the pump, allowing for a shorter pump length, making it suitable for use in confined spaces and saving space. The gearbox uses a K-series reducer.

Flow rate：Q ≤ 500 m3/h (2200 USGPM)

Pressure：P ≤ 48 bar (700 psi / 4.8 MPa)

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Space-Saving Design

Compact vertical configuration with the motor positioned above the pump, reducing overall length for seamless integration into tight industrial spaces.

High Compatibility

Customizable rotor/stator geometries and multiple shaft seal options to adapt to diverse media types and process requirements.

Low-Pulsation Flow

Smooth, uniform pumping action eliminates the need for dampers or condensers—ideal for shear-sensitive or fragile media.

Precision Metering

Flow rate proportional to motor speed, adjustable via variable frequency control for high-accuracy dosing in critical applications.

Durable & Efficient

Equipped with a robust K-series reducer for reliable torque transmission and extended operational lifespan under demanding conditions.

MJ series S-type progressive cavity pump selection table

Pump Model MJ	Max. allowable particle size (mm)	Standard speed n (r/min)	Working pressure P (bar)	Flow/water as the medium Q (m³/h)	Water medium axis power P (kw)
015-02S12	2	200~1000	0~12	0.02~0.52	0.14~0.34
021-02S12	3	200~795	0~12	0.11~1.17	0.16~0.55
031-02S12	4.5	160~630	0~12	0.3~2.88	0.48~1.25
038-02S12	7	160~630	0~12	0.30~7.80	0.9~3.2
045-02S12	8.5	125~500	0-12	0.90~103.8	1.3~4.1
053-02S12	10	125~500	0-12	0.80~18.52	1.7~7.5
063-02S12	17.5	100~400	0-12	0.00~24.8	2.5~9.2
076-02S12	15	100~400	0-12	1.00~41.6	4~16
090-02S12	18	80~315	0-12	4.00~55.37	5.5~20
105-02S12	21	80~315	0~12	6.00~93.05	8~35
125-02S12	25	63~250	0~12	5.00~124.30	11~44
148-02S12	29	63~250	0~12	15.00~208.10	17.5~75

MJ series L-type progressive cavity pump selection table

Pump Model MJ	Max. allowable particle size mm	Standard speed n (r/min)	Working pressure P (bar)	Flow/water as the medium Q (m³/h)	Water medium axis power P (Kw)
015-01L06-	2	160~795	0~6	0.10~0.74	0.1~0.25
021-01L06-	3	160~630	0~6	0.30~1.74	0.25~0.50
031-01L06-	4.5	160~630	0~6	0.90~5.23	0.4~1.1
038-01L06-	7	125~500	0~6	1.50~11.70	0.7~2.75
045-01L06-	8.5	125~500	0~6	3.00~20.60	1.2~4.4
053-01L06-	10	100~400	0~6	4.50~29.10	1.7~5.5
063-01L06-	12.5	100~400	0~6	5.00~49.20	2.4~8.9
076-01L06-	15	80~315	0~6	12.00~65.40	3.5~13
090-01L06-	18	80~315	0~6	15.00~111.00	5.5~24
105-01L06-	21	63~250	0~6	20.00~138.40	8~29
125-01L06-	25	63~250	0~6	43.00~244.90	9~44
148-01L06-	29	63~250	0~6	56.00~411.00	13~57

MJ pump is suitable for various industries, providing continuous, steady, low-pulsation delivery, and capable of metering nearly any material. Primarily used for mediums with the following characteristics:

● Viscosity from low to high

● Solid particles

● Shear sensitivity

● Lubricating or non-lubricating properties

● Thixotropic and expandable

● Abrasive

● Viscous

such as wastewater, activated sludge, gypsum and cement slurry, acids, limewater, latex paints, soap solutions, and adhesives.

If you have any special requirements or questions that require prior consultation. Please fill out the following form and we will have the specialist contact you as soon as possible.

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