ZGD Screw Self-Priming Pump
  • ZGD Screw Self-Priming PumpZGD Screw Self-Priming Pump
  • ZGD Screw Self-Priming PumpZGD Screw Self-Priming Pump

ZGD Screw Self-Priming Pump

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.

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Product Description

ZGD Screw Self-Priming Pump

terms of Use

• Liquid temperature up to 60°C

• Ambient temperature up to 40°C

• Total inhalation rise up to 9 m


Materials

• 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


Engine

• 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 chart

Performance graph n = 2850 RPM


Packing size

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


Decomposition diagram

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



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