ZEN brand continuously introduces the latest ZGD Screw Self-Priming Pump to meet the growing needs of our customers.
ApplicationIt is used for purifying water and liquids that are not chemically aggressive to materials for the manufacture of pumps.
Self-priming jet pumps are designed to pump water even in the presence of air. Due to its reliability and ease of use, it is recommended to use it for domestic applications such as water distribution in combination with small or medium pressure devices, as well as for irrigation of gardens and distribution areas.
Pumps should be installed in a closed environment or at least protected from bad weather.
• Liquid temperature up to 60°C
• Ambient temperature up to 40°C
• Total inhalation rise up to 9 m
• Pump housing: cast iron
• Pump bracket: cast iron
• Motor housing: aluminum
• Impeller: screw
• Diffuser: Noryl
• Motor axis: carbon steel, AlSI304 SS if required
• Mechanical seal: ceramic / graphite (0.5HP), SIC / graphite
• Bipolar induction motor (n = 2850 rpm)
• Insulation class B
• Protection IP44
• Continuous service Sl
• Single phase thermal protector
• Single phase 220 V / 50 Hz 60 Hz (if necessary)
• Three-phase 380V / 50Hz, 60Hz (if necessary)
| Model | Input power | Q(m²/h) | 0 | 0.6 | 0.9 | 1.2 | 1.8 | 2.1 | 2.5 | |||||||
| KW | HP | Q(L/min) | 0 | 10 | 15 | 20 | 30 | 55 | 40 | |||||||
| ZGD1.8-70-550R | 0.55 | 0.75 | H(m) | 75 | 50 | 30 | 20 | 10 | ||||||||
| ZGD2.5-80-750R | 0.75 | 1 | 85 | 60 | 50 | 40 | 30 | 20 | 10 | |||||||
| ZGD1.8-70-550S | 0.55 | 0.75 | 75 | 50 | 30 | 20 | 10 | |||||||||
| ZGD2.5-80-750S | 0.75 | 1 | 85 | 60 | 50 | 40 | 30 | 20 | 10 | |||||||
Performance graph n = 2850 RPM
| Model | Enter exit | N.W | L×W×H | ||
| (inches) | (Kg) | (mm) | |||
| ZGD1.8-70-550R | 1"×1" | 11.6 | 465×185×220 | ||
| ZGD2.5-80-750R | 1"×1" | 12.4 | 465×185×220 | ||
| ZGD1.8-70-550S | 1"×1" | 11.4 | 465×185×220 | ||
| ZGD2.5-80-750S | 1"×1" | 12.2 | 465×185×220 | ||
| Numbers | Notes | Numbers | Notes | Numbers | Notes | Numbers | Notes | |||||||
| 1 | Fan cover | 12 | Support | 23 | Loading plug | 34 | Latch | |||||||
| 2 | Fan | 13 | Screw | 24 | "O" Ring | 35 | Clamp cover | |||||||
| 3 | Pilot's hat | 14 | Pump housing | 25 | Loading plug | 36 | Condenser | |||||||
| 4 | Rotor | 15 | Nut | 26 | "O" Ring | 37 | Latch | |||||||
| 5 | Electrical cable | 16 | Pump housing cover | 27 | "O" Ring | 38 | Cable press | |||||||
| 6 | In Fairlea | 17 | Loading plug | 28 | Loading plug | 39 | clamping panel | |||||||
| 7 | cylinder | 18 | Spring washer | 29 | Spring washer | 40 | Fall protection | |||||||
| 8 | Stator | 19 | Loading plug | 30 | Handle | 41 | Relationship | |||||||
| 9 | Pump bracket | 20 | Spring washer | 31 | Loading plug | 42 | Relationship | |||||||
| 10 | Mechanical seal | 21 | Inlet cover | 32 | "O" Ring | 43 | Open ring | |||||||
| 11 | Clamp ring | 22 | check valve | 33 | Loading plug | |||||||||
