Introducing Our Self-Priming JET Pumps
Introducing Our Self-Priming JET Pumps
Weijing Water Pumps company As a premier manufacturer of water pumps, we are excited to present our state-of-the-art Self-Priming JET Pumps.
These pumps are designed to deliver exceptional performance and reliability across a wide range of applications, making them an ideal choice for both residential and commercial water systems.
What is a Self-Priming JET Pumps?
A Self-Priming JET Pump is a type of liquid pump engineered to maintain the required liquid within its cavity or pump body to initiate the pumping process.
This design enables the pump to start and operate efficiently, even after the initial priming, by retaining enough liquid to avoid air binding. That capability is especially valuable in process plants and applications where pumps are used for intermittent operations. The self-priming feature ensures that the pump is always ready to function without the need for manual intervention, leading to increased operational efficiencies.
Q: What is a Self-Priming Device for a Centrifugal Pump?
A self-priming centrifugal pump is equipped with a mechanism that allows it to automatically evacuate air from the pump and suction line, priming itself in the process. The operation of a self-priming centrifugal pump can be divided into two phases:
- Priming Mode: In this phase, the pump acts like a liquid-ring pump. The rotating impeller creates a vacuum at the impeller’s eye, drawing air from the suction line into the pump. This air is mixed with the liquid already present in the pump, forming a continuous liquid ring around the impeller. The mixture of air and liquid is then expelled through the discharge port, effectively removing the air from the pump and suction line.
- Pumping Mode: Once the air has been removed, the pump transitions to normal pumping operation, where it efficiently moves liquid through the system.
Differences Between Centrifugal Pump and Self-Priming Centrifugal Pump
- Body Design and Size:
- Standard Centrifugal Pump: Has a more compact design and requires manual priming before operation. It typically does not have water storage capacity and relies on a bottom valve in the suction pipe to maintain prime.
- Self-Priming Centrifugal Pump: Features a larger body height and a built-in water storage capacity, eliminating the need for a bottom valve in the suction pipe. This design allows the pump to self-prime for its entire operational life.
- Priming Requirement:
- The Standard Centrifugal Pump: Needs to be filled through a priming port each time it is used, making it labor-intensive and time-consuming.
- A Self-Priming Centrifugal Pump: Does not require manual priming each time, significantly saving time and effort.
Advantages of a Self-Priming Jet Pumps
The main advantage of a self-priming pump lies in its ability to automatically prime itself.
This eliminates the need for manual priming through a port every time the pump is used, which can be a cumbersome and time-consuming process. Self-priming pumps, including plunger types, offer significant time and labor savings by being always ready to operate, making them highly efficient and user-friendly.
FAQ : Differences Between a JET Pump and a Centrifugal Pump (without Jet)?
- Operation Mechanism:
- Centrifugal Pump: Utilizes a spinning impeller to create a centrifugal force that moves fluid through the pump. The impeller’s rotation increases the fluid velocity, converting it into pressure energy.
- JET Pump: Uses a jet of fluid to create a pressure difference that moves the fluid. It combines a centrifugal pump with a jet nozzle and venturi effect to achieve higher pressure and draw water from deeper sources compared to a standard centrifugal pump.
Conclusion and the technical data of the self-priming Jet Pumps:
Our Self-Priming JET Pumps offer advanced self-priming technology, ensuring reliable and efficient operation across various applications.
Whether for domestic water supply, irrigation, or industrial processes, these pumps provide unmatched convenience and performance, eliminating the need for frequent manual priming and enhancing overall operational efficiency. Choose our Self-Priming JET Pumps for a hassle-free and dependable water pumping solution.
APPLICATION LIMITS
• Manometric suction head up to 9 m (HS)
• Liquid temperature between -10 °C and +40 °C
• Ambient temperature up to +40 °C
• Maximum working pressure 6 bar
PERFORMANCE RANGE
• Flow rate up to 70 l/min (4.2 m3/h)
• Head up to 58 m
The Self-Priming Jet Pumps Electric motor:
-single-phase 230 V – 50 Hz with winding integrated thermal motor protection
– three-phase 230/400 V – 50 Hz
※ Pumps are equipped with high-efficiency motors
class IE2 for single-phase models
class IE3 for three-phase models
We here a manufacture and exporter water pumps provide not only water pumps, but solutions for the users.
Our range of products includes:
- Peripheral pumps
- Centrifugal pumps
- JET self-priming pumps
- Self-suction pumps