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25GZ0.8-15/25GZ1.2-16(25GZ1.5-16/25GZ1.8-18)/25GZ1.0-15 Features: This pump is equiped with automatic switch, which is controlled by hydraulic pressure. When the hydraulic pressure is low, it will turn on automatically. When the hydraulic pressure is higher than fixed pressure, it will turn off automatically, which is useful and convenient. Main use: It can automatically offer water for family use when hydraulic pressure is low. Offering water for hotels, restaurants, high buildings, and water towers. Boosting to offer water to solar water heaters. Sucking water from wells and ponds. Offering circulative water to industrial equipments. Garden rrigation and car washing. Performance Curves: Technical Data: Model Power (w) Volt age (v) Freq-ency (Hz) Speed (r/min) Input & outlet Dia. (mm) Hig- hest Head (m) Rated Head (m) Max. Cap-acity (m3/h) Rated Capa-city (m3/h) Suct- ion Head (m) G.W. (kg) Q'ty (pcs) Package Dimension (cm) L W H 25GZ0.8-15 125 220 50 2860 25 25 15 2 0.8 9 18 2 46.3 28.2 20.5 25GZ1.0-15 250 220 50 2860 25 30 15 2.5 1.0 9 23 2 55.2 31.2 36 25GZ1.2-16 370 220 50 2860 25 30 16 3 1.2 9 28 2 55.2 31.2 36 25GZ1.5-16 550 220 50 2860 25 35 16 3.5 1.5 9 18 2 31.5 28 36 25GZ1.8-18 750 220 50 2860 25 40 18 4 1.8 9 20 1 31.5 28 36 Structure Chart: N. Description N. Description N. Description 1 Board 7 Ball bearing 13 Ball bearing 2 Tie-rod 8 Bolt 14 Breakwind ring 3 Pump casing 9 Impeller 15 Rotor 4 Pressure switch 10 Pump casing 16 Fan 5 Pressure tank 11 Mechanical seal 17 End-shield 6 Motor housing 12 Front-shield