Mixed-Flow Pump

Mixed flow pumps combine features of centrifugal and axial flow pumps. They are widely used in high-flow, high-efficiency applications, particularly in:Agricultural irrigation,Urban drainage,River dredging,Water treatment projects.

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Description

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Let's examine their key features together:

Wide operating range - Capable of adapting to varying lift requirements.

Broad high-efficiency zone - Delivers consistently high operational efficiency across different working conditions.

Relatively flat power curve - Maintains near-full load operation even with significant flow rate variations, with minimal power fluctuations.

Higher rotational speed than axial flow pumps - Offers more compact dimensions and simpler structure while maintaining equivalent performance parameters.

Smooth operation - Demonstrates excellent resistance to cavitation.

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Design Features of Mixed Flow Pumps:

The mixed-flow pump features a "pull-out" structure design. When inspecting or disassembling the impeller and shaft seal, there is no need to dismantle the pipelines connected to the pump body.

Key components include:

A precision-machined pump shaft

Bearings lubricated with thin oil

Protective shaft sleeves installed in the packing box cover

The bearing box features:

Oil level control via a constant-position oil cup

Pump body legs designed to withstand all pipeline loads and transfer them directly to the foundation
This design prevents rotor bending from pump loads, ensuring optimal bearing service life.

Additional characteristics:

Larger flow area reduces blockage potential

Clockwise rotation when viewed from the drive end

Compatibility with either electric motors or internal combustion engines

Optional complete air release device for effective suction pipeline exhaust

Model	Capacity		Head (m)	Speed (r/min)	Eff (%)	NPSH (m)
Model	l/s	m³/h	Head (m)	Speed (r/min)	Eff (%)	NPSH (m)
100HW-5	25	90	5	2900	79	4
100HW-8	25	90	8	2900	81	4
100HW-12	25	90	12.5	2900	81	4
150HW-5	50	180	5	1450	82	2.7
150HW-8	50	180	8	1450	82	2.7
150HW-12	50	180	12.5	2900	82	6
200HW-4	95	340	4	1060	81	4
200HW-5	100	360	5	1450	81.5	4
200HW-8	100	360	8	1450	83.5	4
200HW-12	100	360	12.5	1450	83.5	4
250HW-4	125	450	4.2	980	82.5	4
250HW-5	150	540	5	1180	82	4
250HW-7	125	450	7	980	83	4
250HW-8	150	540	8	1180	84	4
250HW-12	150	540	12.5	1180	84	4
300HW-4	197	710	4	780	83.5	4
300HW-5	220	792	5	970	83	4
300HW-7	216	780	7	980	84	4
300HW-8	220	792	8	970	85	4
300HW-12	220	792	12.5	970	85	4
350HW-4	278	1000	4.3	980	85	4.5
350HW-8	278	1000	8	980	85.5	4.5
400HW-5	400	1440	5	730	84	4
400HW-7	350	1260	6.8	730	86	4
400HW-8	400	1440	8	730	86	4
400HW-10	390	1400	10	730	86	4
400HW-12	400	1440	12.5	730	86	5.5
500HW-6	550	1980	6.2	580	86	5.5
500HW-7	650	2340	7	730	85	5.5
500HW-11	650	2340	11	730	87	5.5
650HW-7	940	3400	6.5	450	90	5.5
650HW-10	923	3322	9.7	490	89	5.5

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