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MQS Series

Automatic Self-Priming Pump with Brass Impeller Cover

The MQS series automatic self-priming pump is outfitted with a brass impeller cover, and it is designed depending on the latest self priming water pump technology and our decades of production experience, making it a leading-edge single-phase self-priming pump in China.

Advantage
1. This industrial self-priming pump adopts radial liquid suction (inside the pump case) rather than conventional axial liquid suction (at the front side).

2. All the components that will come into contact with pumped liquid are constructed from corrosion-resistant and abrasion-resistant materials. So, this is a corrosion resistant self-priming pump.

3. Our product has a scientifically designed structure, and it provides reliable performance with simple operation. In addition, the maintenance job could be conducted in a convenient way.

Due to the abovementioned properties, the MQS series automatic self-priming pump has been extensively utilized in chemical, pharmaceutical, metallurgical, environmental, oil refining, printing and dyeing industries.

Operating Condition
1. Ambient temperature: Up to +40℃
2. Liquid temperature: Up to +60℃

Exploded View Drawing
Technical Data of MQS Series Automatic Self-Priming Pump
Model Power Q m3/h 0 0.3 0.6 0.9 1.2 1.5 1.8 2.1 2.4 2.7
1-phase 3-phase kW HP L/min 0 5 10 15 20 25 30 35 40 45
MQS137 AUTO 0.25 0.33 H (m) 24 20 15 10 6 3 2 - - -
MQS137T AUTO - 0.25 0.33 24 20 15 10 6 3 2 - - -
MQS138 AUTO 0.37 0.50 32 26 22 17 12 7 4 2 - -
MQS238 AUTO 0.45 0.60 40 37 33 28 22 18 13 9 5 -
MQS338 AUTO 0.55 0.75 50 44 39 33 29 22 16 11 5 -
MQS438 AUTO 0.75 1 60 53 46 39 33 26 20 15 10 6
Dimension of MQS Series Automatic Self-Priming Pump
Model Pipe diameter (inch) Installation size (mm)
1-phase 3-phase DN1 DN2 a f h h1 i l n n1 w s
MQS137 AUTO 1 1 35 255 251 183 124 245 144 108 38 7
MQS137T AUTO - 1 1 35 255 251 183 124 245 144 108 38 7
MQS138 AUTO 1 1 35 255 251 183 124 245 144 108 38 7
MQS238 AUTO 1 1 42.5 273 272 200 145 263 144 110 60.5 7
MQS338 AUTO 1 1 42.5 273 272 189 145 263 144 110 60.5 7
MQS438 AUTO 1 1 45 275 272 189 145 263 144 110 60.5 7
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