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PW-Z Self-Priming Peripheral Pump

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Applications Fields

1. The self-priming peripheral pump is suitable for transferring water without abrasive particles or other liquid whose properties are similar to water.
2. It’s widely used in household water supply, well water pumping, tap water pressure, water tower's supply, solar or hot water systems pressure, etc.

Operating condition

1. Suction lift up to 8m
2. Liquid temperature ≤+90℃
3. Environment temperature ≤ +40℃
4. Max. working pressure: 5bar

Features and advantages

A self-priming peripheral pump for both hot and cold water.
Advanced structure with lower noise.
Intelligent control by both flow sensor and pressure sensor, which is convenient.

Materials

1. Pump body: Cast iron with stainless steel insert
2. Motor casing: Aluminum
3. Impeller: Brass
4. Shaft: Welded by SUS304 and Cs45#
5. Mechanical seal: Ceramic/Graphite/NBR
6. Copper winding

Section and sizes

Model DN1 DN2 A B C D E F G L H1 H2 H3
PW125 3/4" 3/4" 110 136 204 46 39 49.5 165 259 72 150 245.5
PW250 1" 1" 110 136 204 40 39 49.5 165 259 72 150 245.5
PW370 1" 1" 110 136 204 40 39 49.5 165 259 72 150 245.5
PW550 1" 1" 132 160 212 50 39 41.5 190 268 84 170 285
PW750 1" 1" 132 160 212 50 39 41.5 190 268 84 170 285
Model DN1 DN2 A B C D E F G L H1 H2 H3
PW125Z 3/4" 3/4" 110 136 204 46 39 49.5 165 259 72 150 261
PW250Z 1" 1" 110 136 204 40 39 49.5 165 259 72 150 261
PW370Z 1" 1" 110 136 204 40 39 49.5 165 259 72 150 261
PW550Z 1" 1" 132 160 212 50 39 41.5 190 268 84 170 293
PW750Z 1" 1" 132 160 212 50 39 41.5 190 268 84 170 293
Performance Curve Performance parameters
Model Power Max. Flow (m3/h) Max. Lift head (m) Max. Suction lift head (m)
Single phase KW HP
PW125 0.125 0.17 2 24 8
PW250 0.25 0.34 2.2 30 8
PW370 0.37 0.5 2.4 36 8
PW550 0.55 0.75 3.0 42 8
PW750 0.75 1 3.4 50 8
PW125Z 0.125 0.17 2 24 8
PW250Z 0.25 0.34 2.2 30 8
PW370Z 0.37 0.5 2.4 36 8
PW550Z 0.55 0.75 3.0 42 8
PW750Z 0.75 1 3.4 50 8
Packing sizes
Model Parking sizes ( mm ) GW ( kg ) Quantities in 20 feet cabinet
PW125(Z) 295×230×300 8.3
PW250(Z) 9.0
PW370(Z) 9.3
PW550(Z) 315×245×325 12.1
PW750(Z) 13.8
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