PW-Z Self-Priming Peripheral Pump
Applications Fields
- The self-priming peripheral pump is suitable for transferring water without abrasive particles or other liquid whose properties are similar to water.
- 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
- Suction lift up to 8m
- Liquid temperature ≤+90℃
- Environment temperature ≤ +40℃
- 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
- Pump body: Cast iron with stainless steel insert
- Motor casing: Aluminum
- Impeller: Brass
- Shaft: Welded by SUS304 and Cs45#
- Mechanical seal: Ceramic/Graphite/NBR
- 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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