China factory Automatic Vacuum Assistant Self Priming Diesel Engine Multistage Centrifugal Water Pump supplier

Product Description

Vacuum priming Multistage Centrifugal Water pressure Pump with diesel engine 
1)-Specifications
1. Horizontal and compact structure
2. Cartridge mech. Seal structure
3. Wet parts are stainless steel
4. Lower noise, less vibration

High-efficiency, energy-saving, wide performance range, operating safety&steady, low noise, long life and convinent installation.
DF/DM/DW type multi-stage centrifugal pump;

2)-General introduction:
This serial pump is multi-stage section centrifugal pump, the excellent hydraulic models are high-efficiency, energy-saving, and have wide performance range, operating safety&steady, low noise, long life and installing&repairing is very convenient etc. It can deliver heat water, oil, corrosive or wearalbe medium by changing the material, seal or adding cooling system.
Type DM pump can deliver the neuter mineral water which CHINAMFG particles percent <1.5%(solid Dia, <0.5mm) and other similar sewage, the temperature of the liquid is <80° C. It is suitable for steel works, mines, cities projects etc.
Type DF pump can deliver the corrosive liquid without CHINAMFG particle, which temperature is from -20° C-150° C
Type DY pump deliver oil or oil products without CHINAMFG grain, viscosity <120ct, range of temperature is from -20 ° C to 150 ° C
Inlet pressure of pumps is less than 0.6Mpa
3)-CONSTRUCTION
Type DF/DM/DW is consist of stator, rotator, bearing, shaft seal:
1. Stator: The main parts are suction casing, stage casing, discharge casing and diffuser. They are screw up by poles, to become a working house. The suction direction of type D pump is horizontal, the discharge direction is upward; The discharge and suction direction of type DG pump are both upwards, and the suction direction is horizontal usually, also they can be made upward according to user’s requirement.
2. Rotor: It is consist of sharft, impellers, balance dic and shaft sleeve etc. Shaft supplied power to impellers; The axial force is balanced by balance disc; The sleeve mounted on shaft to protect shaft.
3. Bearing parts: It is consist of bearing body, bearing and bearing cover etc. The bearing of type 85-67, 155-67, 600-60 pump is sliding bearing, lubricated by diluted oil, the other pump bearing is rolling bearing, lubricated by grease.
4. Shaft seal: It is usually adopted soft packing seal, consist of sealing house on suction casing, packing, blocking water ring, the sealing hose have some pressure water, to cool, lubricate and seal pump. Type D pump pressure water is come from pump itself, type DG, DM, DF, DY pump pressure water is come from pump itself or outer water. Type DG, DF, DM, DY pump usually adopt mechanical seal.
Drive: The pump is driven directly by motor through elastic coumpling, the rotation of pump is clockwise looking from motor to pump.
4)-DESCRIPTION OF SELECTING PUMP
1. Pump performation see sheet of performance data. The data in sheet is test performance at 1 atmosphere&nomal temperature&clean water, when the medium is high viscosity, the performance should be transormed.
2. The pump type, data, and gravity, temperature, viscosity, corrosive feature tec, must be stated in the order.
3. If you requried data is different from the data in sheet of performance Data, our company also can design according to your requirement.

l Stage Capacity
Q
Head
(m)
Speed
(r/min)
Power
(kW)
Eff.
(%)
NPSH
(m)
m3/h L/s
50TSWA 2 15
18
22
4.17
5
6.1
20
18.4
16.8
1450 2.2 61
63
62
2.6
3.1
4
3 15
18
22
4.17
5
6.1
30
27.6
25.2
3 61
63
62
2.6
3.1
4
4 15
18
22
4.17
5
6.1
40
36.8
33.6
4 61
63
62
2.6
3.1
4
5 15
18
22
4.17
5
6.1
50
46
42
5.5 61
63
62
2.6
3.1
4
6 15
18
22
4.17
5
6.1
70
64.4
58.8
5.5 61
63
62
2.6
3.1
4
7 15
18
22
4.17
5
6.1
80
73.6
67.2
7.5 61
63
62
2.6
3.1
4
8 15
18
22
4.17
5
6.1
90
82.8
75.6
7.5 61
63
62
2.6
3.1
4
9 15
18
22
8.33
10
11.67
90
82.8
75.6
7.5 61
63
62
2.6
3.1
4
75TSWA 2 30
36
42
8.33
10
11.67
25
23
20
1450 5.5 68
70
66
2.8
3
3.8
3 30
36
42
8.33
10
11.67
37.5
34.5
30
7.5 68
70
66
2.8
3
3.8
4 30
36
42
8.33
10
11.67
50
46
40
11 68
70
66
2.8
3
3.8
5 30
36
42
8.33
10
11.67
62.5
57.5
50
11 68
70
66
2.8
3
3.8
6 30
36
42
8.33
10
11.67
75
69
60
15 68
70
66
2.8
3
3.8
7 30
36
42
8.33
10
11.67
87.5
80.5
70
15 68
70
66
2.8
3
3.8
8 30
36
42
8.33
10
11.67
100
92
80
18.5 68
70
66
2.8
3
3.8
9 30
36
42
8.33
10
11.67
112.5
103.5
90
18.5 68
70
66
2.8
3
3.8
100TSWA 2 62
69
80
17.2
19.2
22.2
32.4
31.2
28
1450 11 71.5
73
71
2.9
3.3
4.2
3 62
69
80
17.2
19.2
22.2
48.6
46.8
42
15 71.5
73
71
2.9
3.3
4.2
4 62
69
80
17.2
19.2
22.2
64.8
62.4
56
22 71.5
73
71
2.9
3.3
4.2
5 62
69
80
17.2
19.2
22.2
81
78
70
30 71.5
73
71
2.9
3.3
4.2
100TSWA 6 62
69
80
4.17
5
6.1
97.2
93.6
84
1450 30 71.5
73
71
2.9
3.3
4.2
7 62
69
80
4.17
5
6.1
113.4
109.2
98
37 71.5
73
71
2.9
3.3
4.2
8 62
69
80
4.17
5
6.1
129.6
124.8
112
45 71.5
73
71
2.9
3.3
4.2
9 62
69
80
4.17
5
6.1
145.8
140.4
126
45 71.5
73
71
2.9
3.3
4.2
125TSWA 2 72
90
108
4.17
5
6.1
46
43.2
40
1450 22 70
74
75.5
2.9
3.4
4.1
3 72
90
108
4.17
5
6.1
69
64.8
60
30 70
74
75.5
2.9
3.4
4.1
4 72
90
108
4.17
5
6.1
92
86.4
60
45 70
74
75.5
2.9
3.4
4.1
5 72
90
108
8.33
10
11.67
115
108
100
55 70
74
75.5
2.9
3.4
4.1
6 72
90
108
8.33
10
11.67
138
129.6
120
75 70
74
75.5
2.9
3.4
4.1
7 72
90
108
8.33
10
11.67
161
151.2
140
75 70
74
75.5
2.9
3.4
4.1
8 72
90
108
8.33
10
11.67
184
172.8
160
90 70
74
75.5
2.9
3.4
4.1
9 72
90
108
8.33
10
11.67
207
194.4
180
90 70
74
75.5
2.9
3.4
4.1
150TSWA 2 119
155
191
8.33
10
11.67
65
60
54.9
1450 45 72.6
77
78.8
2.3
2.7
3.9
3 119
155
191
8.33
10
11.67
97.4
90
82.3
75 72.6
77
78.8
2.3
2.7
3.9
4 119
155
191
8.33
10
11.67
129.9
120
109.7
90 72.6
77
78.8
2.3
2.7
3.9
5 119
155
191
8.33
10
11.67
162.3
150
137.2
110 72.6
77
78.8
2.3
2.7
3.9
6 119
155
191
17.2
19.2
22.2
194.8
180
164.6
132 72.6
77
78.8
2.3
2.7
3.9
7 119
155
191
17.2
19.2
22.2
227.3
210
192
132 72.6
77
78.8
2.3
2.7
3.9
8 119
155
191
17.2
19.2
22.2
259.7
240
219.5
160 72.6
77
78.8
2.3
2.7
3.9
9 119
155
191
17.2
19.2
22.2
292.2
270
246.9
160 72.6
77
78.8
2.3
2.7
3.9

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Max.Head: >150m
Max.Capacity: >400 L/min
Driving Type: Motor
Material: Cast Iron
Structure: Multistage Pump
Assembly: Booster Pump
Customization:
Available

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vacuum pump

Can Vacuum Pumps Be Used for Vacuum Packaging?

Yes, vacuum pumps can be used for vacuum packaging. Here’s a detailed explanation:

Vacuum packaging is a method used to remove air from a package or container, creating a vacuum environment. This process helps to extend the shelf life of perishable products, prevent spoilage, and maintain product freshness. Vacuum pumps play a crucial role in achieving the desired vacuum level for effective packaging.

When it comes to vacuum packaging, there are primarily two types of vacuum pumps commonly used:

1. Single-Stage Vacuum Pumps: Single-stage vacuum pumps are commonly used for vacuum packaging applications. These pumps use a single rotating vane or piston to create a vacuum. They can achieve moderate vacuum levels suitable for most packaging requirements. Single-stage pumps are relatively simple in design, compact, and cost-effective.

2. Rotary Vane Vacuum Pumps: Rotary vane vacuum pumps are another popular choice for vacuum packaging. These pumps utilize multiple vanes mounted on a rotor to create a vacuum. They offer higher vacuum levels compared to single-stage pumps, making them suitable for applications that require deeper levels of vacuum. Rotary vane pumps are known for their reliability, consistent performance, and durability.

When using vacuum pumps for vacuum packaging, the following steps are typically involved:

1. Preparation: Ensure that the packaging material, such as vacuum bags or containers, is suitable for vacuum packaging and can withstand the vacuum pressure without leakage. Place the product to be packaged inside the appropriate packaging material.

2. Sealing: Properly seal the packaging material, either by heat sealing or using specialized vacuum sealing equipment. This ensures an airtight enclosure for the product.

3. Vacuum Pump Operation: Connect the vacuum pump to the packaging equipment or directly to the packaging material. Start the vacuum pump to initiate the vacuuming process. The pump will remove the air from the packaging, creating a vacuum environment.

4. Vacuum Level Control: Monitor the vacuum level during the packaging process using pressure gauges or vacuum sensors. Depending on the specific packaging requirements, adjust the vacuum level accordingly. The goal is to achieve the desired vacuum level suitable for the product being packaged.

5. Sealing and Closure: Once the desired vacuum level is reached, seal the packaging material completely to maintain the vacuum environment. This can be done by heat sealing the packaging material or using specialized sealing mechanisms designed for vacuum packaging.

6. Product Labeling and Storage: After sealing, label the packaged product as necessary and store it appropriately, considering factors such as temperature, humidity, and light exposure, to maximize product shelf life.

It’s important to note that the specific vacuum level required for vacuum packaging may vary depending on the product being packaged. Some products may require a partial vacuum, while others may require a more stringent vacuum level. The choice of vacuum pump and the control mechanisms employed will depend on the specific vacuum packaging requirements.

Vacuum pumps are widely used in various industries for vacuum packaging applications, including food and beverage, pharmaceuticals, electronics, and more. They provide an efficient and reliable means of creating a vacuum environment, helping to preserve product quality and extend shelf life.

vacuum pump

How Do Vacuum Pumps Impact the Quality of 3D Printing?

Vacuum pumps play a significant role in improving the quality and performance of 3D printing processes. Here’s a detailed explanation:

3D printing, also known as additive manufacturing, is a process of creating three-dimensional objects by depositing successive layers of material. Vacuum pumps are utilized in various aspects of 3D printing to enhance the overall quality, accuracy, and reliability of printed parts. Here are some key ways in which vacuum pumps impact 3D printing:

1. Material Handling and Filtration: Vacuum pumps are used in 3D printing systems to handle and control the flow of materials. They create the necessary suction force to transport powdered materials, such as polymers or metal powders, from storage containers to the printing chamber. Vacuum systems also assist in filtering and removing unwanted particles or impurities from the material, ensuring the purity and consistency of the feedstock. This helps to prevent clogging or contamination issues during the printing process.

2. Build Plate Adhesion: Proper adhesion of the printed object to the build plate is crucial for achieving dimensional accuracy and preventing warping or detachment during the printing process. Vacuum pumps are employed to create a vacuum environment or suction force that securely holds the build plate and ensures firm adhesion between the first layer of the printed object and the build surface. This promotes stability and minimizes the risk of layer shifting or deformation during the printing process.

3. Material Drying: Many 3D printing materials, such as filament or powdered polymers, can absorb moisture from the surrounding environment. Moisture-contaminated materials can lead to poor print quality, reduced mechanical properties, or defects in the printed parts. Vacuum pumps with integrated drying capabilities can be employed to create a low-pressure environment, effectively removing moisture from the materials before they are used in the printing process. This ensures the dryness and quality of the materials, resulting in improved print outcomes.

4. Resin Handling in Stereolithography (SLA): In SLA 3D printing, a liquid resin is selectively cured using light sources to create the desired object. Vacuum pumps are utilized to facilitate the resin handling process. They can be employed to degas or remove air bubbles from the liquid resin, ensuring a smooth and bubble-free flow during material dispensing. This helps to prevent defects and imperfections caused by trapped air or bubbles in the final printed part.

5. Enclosure Pressure Control: Some 3D printing processes, such as selective laser sintering (SLS) or binder jetting, require the printing chamber to be maintained at a specific pressure or controlled atmosphere. Vacuum pumps are used to create a controlled low-pressure or vacuum environment within the printing chamber, enabling precise pressure regulation and maintaining the desired conditions for optimal printing results. This control over the printing environment helps to prevent oxidation, improve material flow, and enhance the quality and consistency of printed parts.

6. Post-Processing and Cleaning: Vacuum pumps can also aid in post-processing steps and cleaning of 3D printed parts. For instance, in processes like support material removal or surface finishing, vacuum systems can assist in the removal of residual support structures or excess powder from printed objects. They can also be employed in vacuum-based cleaning methods, such as vapor smoothing, to achieve smoother surface finishes and enhance the aesthetics of the printed parts.

7. System Maintenance and Filtration: Vacuum pumps used in 3D printing systems require regular maintenance and proper filtration to ensure their efficient and reliable operation. Effective filtration systems within the vacuum pumps help to remove any contaminants or particles generated during printing, preventing their circulation and potential deposition on the printed parts. This helps to maintain the cleanliness of the printing environment and minimize the risk of defects or impurities in the final printed objects.

In summary, vacuum pumps have a significant impact on the quality of 3D printing. They contribute to material handling and filtration, build plate adhesion, material drying, resin handling in SLA, enclosure pressure control, post-processing and cleaning, as well as system maintenance and filtration. By utilizing vacuum pumps in these critical areas, 3D printing processes can achieve improved accuracy, dimensional stability, material quality, and overall print quality.

vacuum pump

What Is a Vacuum Pump, and How Does It Work?

A vacuum pump is a mechanical device used to create and maintain a vacuum or low-pressure environment within a closed system. Here’s a detailed explanation:

A vacuum pump operates on the principle of removing gas molecules from a sealed chamber, reducing the pressure inside the chamber to create a vacuum. The pump accomplishes this through various mechanisms and techniques, depending on the specific type of vacuum pump. Here are the basic steps involved in the operation of a vacuum pump:

1. Sealed Chamber:

The vacuum pump is connected to a sealed chamber or system from which air or gas molecules need to be evacuated. The chamber can be a container, a pipeline, or any other enclosed space.

2. Inlet and Outlet:

The vacuum pump has an inlet and an outlet. The inlet is connected to the sealed chamber, while the outlet may be vented to the atmosphere or connected to a collection system to capture or release the evacuated gas.

3. Mechanical Action:

The vacuum pump creates a mechanical action that removes gas molecules from the chamber. Different types of vacuum pumps use various mechanisms for this purpose:

– Positive Displacement Pumps: These pumps physically trap gas molecules and remove them from the chamber. Examples include rotary vane pumps, piston pumps, and diaphragm pumps.

– Momentum Transfer Pumps: These pumps use high-speed jets or rotating blades to transfer momentum to gas molecules, pushing them out of the chamber. Examples include turbomolecular pumps and diffusion pumps.

– Entrapment Pumps: These pumps capture gas molecules by adsorbing or condensing them on surfaces or in materials within the pump. Cryogenic pumps and ion pumps are examples of entrainment pumps.

4. Gas Evacuation:

As the vacuum pump operates, it creates a pressure differential between the chamber and the pump. This pressure differential causes gas molecules to move from the chamber to the pump’s inlet.

5. Exhaust or Collection:

Once the gas molecules are removed from the chamber, they are either exhausted into the atmosphere or collected and processed further, depending on the specific application.

6. Pressure Control:

Vacuum pumps often incorporate pressure control mechanisms to maintain the desired level of vacuum within the chamber. These mechanisms can include valves, regulators, or feedback systems that adjust the pump’s operation to achieve the desired pressure range.

7. Monitoring and Safety:

Vacuum pump systems may include sensors, gauges, or indicators to monitor the pressure levels, temperature, or other parameters. Safety features such as pressure relief valves or interlocks may also be included to protect the system and operators from overpressure or other hazardous conditions.

It’s important to note that different types of vacuum pumps have varying levels of vacuum they can achieve and are suitable for different pressure ranges and applications. The choice of vacuum pump depends on factors such as the required vacuum level, gas composition, pumping speed, and the specific application’s requirements.

In summary, a vacuum pump is a device that removes gas molecules from a sealed chamber, creating a vacuum or low-pressure environment. The pump accomplishes this through mechanical actions, such as positive displacement, momentum transfer, or entrapment. By creating a pressure differential, the pump evacuates gas from the chamber, and the gas is either exhausted or collected. Vacuum pumps play a crucial role in various industries, including manufacturing, research, and scientific applications.

China factory Automatic Vacuum Assistant Self Priming Diesel Engine Multistage Centrifugal Water Pump   supplier China factory Automatic Vacuum Assistant Self Priming Diesel Engine Multistage Centrifugal Water Pump   supplier
editor by CX 2023-10-26

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