banner
Home Self-Priming Pump

CQZ Series Stainless Steel Magnetic Self-Priming Pump

CQZ Series Stainless Steel Magnetic Self-Priming Pump

CQZ series magnetic self-priming pump replaces dynamic seal with static seal, so that the flow parts of the pump are in a completely sealed state. The pump body and flow parts are made of corrosion-resistant stainless steel. It has the functions of CQ type magnetic drive pump and is self-priming, without the need for foot valve and irrigation water.

  • MaximumFlow :

    100m³/h
  • MaximumHead :

    50m
  • MaximumPower :

    18.5Kw
  • Temperature :

    140℃
  • Material :

    304,316L
  • Flange Standard :

    DN standard or ASME B16.5 class 150, RFconvex flange
  • Order(MOQ) :

    1
  • Color :

    Customizable

CQZ Series Stainless Steel Magnetic Self-Priming Pump Working Principle

The CQZ magnetic self-priming pump adopts the structure of an external mixing axial return pump body. The pump body consists of a suction chamber, a liquid storage chamber, a volute, a reflux hole, a gas-liquid separation chamber, etc. After the pump is started, under the action of centrifugal force, the remaining liquid in the suction chamber and the air in the liquid inlet pipeline are stirred into a gas-water mixture by the impeller. The mixture enters the gas-liquid separation chamber through the volute. As the speed slows down, the gas and water are separated, the air is discharged from the pump outlet, and the liquid returns to the pump through the return hole. After multiple cycles, the air in the liquid inlet pipeline is exhausted, so that a certain vacuum is formed in the pump, achieving the effect of self-priming.

Design Features

  • Compact structure, beautiful appearance, small size, low noise, reliable operation, easy use and maintenance.
  • Replacing the dynamic seal with a static seal makes the pump's flow-through parts in a completely sealed state, effectively solving the problems of running, bubbling, dripping and leaking that cannot be avoided by other pump mechanical seals.

Applications

  • Petroleum, chemical, pharmaceutical, electroplating, printing and dyeing, food, scientific research and other units.
  • Transporting acids, alkalis, oils and rare and precious liquids, poisons, and volatile liquids.
  • Matching circulating water equipment, especially the pumping of leaky, flammable, and explosive liquids.
Model

Flow

(m³/h)

Head

(m)

Power

(kw)

Inlet*Outlet

(mm)

Npsh

(m)

EFF

(%)

Self-priming Height

(m)

CQZ20-15-110

3

12

0.37

20*15

4

38

4

CQZ20-20-115

6.6

15

1.1

20*20

4

45

4

CQZ32-25-115

6.6

15

1.1

32*25

4

47

4

CQZ32-25-145

6.6

25

1.1

32*25

4

42

4

CQZ40-32-132

10.8

20

2.2

40*32

4

52

4

CQZ40-32-160

10.8

32

4

40*32

4

50

4

CQZ50-40-145

14.4

25

4

50*40

4

54

4

CQZ50-40-160

13.2

32

4

50*40

4

48

4

CQZ65-50-145

16.8

25

5.5

65*50

4

58

4

CQZ65-50-160

27

32

7.5

65*50

4

62

4

CQZ80-60-160

50

25

11

80*60

4

67

4

CQZ100-80-160

100

32

18.5

100*80

4

70

4

WHY CHOOSE US?

Changyu is a Chinese manufacturer specializing in the production of wear-resistant and corrosion-resistant chemical pumps. It has rich production experience, passed ISO9001, CE certification, and has 36 technical personnel specializing in the research and development of chemical pumps. Products are exported to more than 100 countries in Southeast Asia, the Middle East, Africa, South America, Eastern Europe, Central Asia and Europe, serving 6,000 customers, with an annual output of 15,000 chemical pumps.

 

FAQ

1. How does a self-priming pump work?

A self-priming pump works by initially mixing air and water in its casing to create a vacuum. This vacuum draws more water into the pump, allowing it to push the air out through the discharge. Once all the air is expelled, the pump continues to operate as a regular centrifugal pump, moving water efficiently. This process allows the pump to restart and regain prime automatically if it loses prime during operation.


2.Why are centrifugal pumps not self-priming?

Centrifugal pumps are not self-priming because they rely on the continuous flow of liquid to operate. If air enters the pump, it disrupts the flow and prevents the pump from creating the necessary vacuum to draw in more liquid. Without liquid in the pump casing, centrifugal pumps cannot generate the suction needed to prime themselves, which is why they need to be manually primed or use external priming methods before operation.


3.What is the depth of a self-priming pump?

The depth, or maximum suction lift, of a self-priming pump typically ranges from 15 to 25 feet (4.5 to 7.5 meters), depending on the pump's design and specifications. This is the maximum vertical distance from the water source to the pump at which it can still effectively prime and draw liquid.


4.What pumps do you mainly produce?

 Magnetic Pump; Centrifugal Pump; Self-priming Pump; Submersible Pump; Slurry Pump; Fluoroplastic Pump; Metal pump


5.What is the maximum suction lift of a self priming pump?

The maximum suction lift of a self-priming pump is typically around 25 feet (7.5 meters) under ideal conditions. This is the vertical distance the pump can lift water from the source to the pump inlet. The actual suction lift can be affected by factors like the liquid's properties, temperature, and the pump's condition.

 

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products

Fluoroplastic Centrifugal Self-priming Pump
FZB Series Fluoroplastic Centrifugal Self-Priming Pump

The flow parts of FZB fluoroplastic self-priming pump are all made of fluoroplastics, and it has self-priming function. The self-priming height can be determined within 2 to 4 meters according to the density of the medium. It is the best choice to replace the bulky submersible pump.

Details
Fluorine Lined Magnetic Self-Priming Pump
ZCQ Series Fluorine Lined Magnetic Self-Priming Pump

ZCQ fluorine-lined magnetic self-priming pump fully combines the advantages of magnetic pump and self-priming pump. It is not only suitable for suction conditions, but also because of the special pump cavity design, it can withstand short-term vacuum and prevent drying, and is more suitable for raw material unloading conditions.

Details
Stainless Steel Self-Priming Pump
CQZ Series Stainless Steel Magnetic Self-Priming Pump

CQZ series magnetic self-priming pump replaces dynamic seal with static seal, so that the flow parts of the pump are in a completely sealed state. The pump body and flow parts are made of corrosion-resistant stainless steel. It has the functions of CQ type magnetic drive pump and is self-priming, without the need for foot valve and irrigation water.

Details

leave a message

leave a message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.
Submit

Our hours

Mon 11/21 - Wed 11/23: 9 AM - 8 PM
Thu 11/24: closed - Happy Thanksgiving!
Fri 11/25: 8 AM - 10 PM
Sat 11/26 - Sun 11/27: 10 AM - 9 PM
(all hours are Eastern Time)

Contact Us:jade@changyupump.com

Home

Products

whatsApp

contact