China best 750W Oil Free Piston Vacuum Pump Air Compression Pump Small Air Compressor Cn Zhe Made in China Silent Oil Pump for Packaging Machinery vacuum pump ac system

Product Description

  

Model

BST850AFZ/BSZ

Voltage/frequency  (V/Hz)

220-240V/50Hz 100v-120v/60Hz

Input power(W)

≤550

Speed (r/min)

≥1350  1650

Primary vacuumKPa

-93KPa

Secondary vacuumKPa

-98KPa

Restart pressure (KPa)

0KPa

Rated volume flow  (m3/h)

≥12m3/h @0KPa; 

Noise dB(A)

≤62dB(A)

Ambient temperature  ºC

-5-40 ºC

Insulation Class

F

Cold insulation resistance  (MΩ)

≥100MΩ

Voltage resistance

1500V/50Hz 1min(No breakdown)

Thermal protector

Automatic reset 135±5ºC

Capacitance (μF)

25μF±5%  75μF±5% 

Net weight (Kg)

10.5Kg

Installation Dimensions (mm)

223.2×88.9 mm(4XM6)

External Dimensions (mm)

268.8*128*214.7mm

Typical application
Respirator (ventilator) oxygenerator
Disinfectant sprayer Blood analyzer
Clinical aspirator Dialysis / hemodialysis
Dental vacuum drying oven Air suspension system
Vending machines / coffee blenders and coffee machines Massage chair
Chromatographic analyzer Teaching instrument platform
On board access control system Airborne oxygen generator


      Why choose CZPT air compressor
1. It saves 10-30% energy than the air compressor produced by ordinary manufacturers.
2. It is widely used in medical oxygen generator and ventilator .
3.  A large number of high-speed train and automobile application cases, supporting – 41 to 70 ºC, 0-6000 CZPT above sea level .
4. Medium and high-end quality, with more than 7000 hours of trouble free operation for conventional products and more than 15000 hours of trouble free operation for high-end  products.
5. Simple operation, convenient maintenance and remote guidance.
6. Faster delivery time, generally completed within 25 days within 1000 PCs.

 

Machine Parts

Name: Motor 
Brand: COMBESTAIR 
Original: China
1.The coil adopts the fine pure copper enameled wire, and the rotor adopts the famous brand silicon steel sheet such as ZheJiang baosteel.
2.The customer can choose the insulation grade B or F motor according to What he wants.
3.The motor has a built-in thermal protector, which can select external heat sensor.
4.Voltage from AC100V ~120V, 200V ~240V, 50Hz / 60Hz, DC6V~200V optional ; AC motor can choose double voltage double frequency ; DC Motor can choose the control of the infinitely variable speed.

Machine Parts

Name: Bearing
Brand: ERB , CZPT , NSK 
Original: China ect.
1.Standard products choose the special bearing ‘ERB’ in oil-free compressor, and the environment temperature tolerance from -50ºC to 180 ºC . Ensure no fault operation for 20,000 hours.
2.Customers can select TPI, NSK and other imported bearings according to the working condition.

Machine Parts

Name: Valve plates
Brand: SANDVIK
Original: Sweden
1.Custom the valve steel of Sweden SANDVIK; Good flexibility and long durability.
2.Thickness from 0.08mm to 1.2mm, suitable for maximum pressure from 0.8 MPa to 1.2 MPa.

Machine Parts

Name: Piston ring
Brand: COMBESTAIR-OEM , Saint-Gobain
Original: China , France
1.Using domestic famous brand–Polytetrafluoroethylene composite material; Wear-resistant high temperature; Ensure more than 10,000 hours of service life.
2.High-end products: you can choose the ST.gobain’s piston ring from the American import.

serial
number
Code number Name and specification Quantity Material Note
1 212571109 Fan cover 2 Reinforced nylon 1571  
2 212571106 Left fan 1 Reinforced nylon 1571  
3 212571101 Left box 1 Die-cast aluminum alloy YL104  
4 212571301 Connecting rod 2 Die-cast aluminum alloy YL104  
5 212571304 Piston cup 2 PHB filled PTFE  
6 212571302 Clamp 2 Die-cast aluminum alloy YL102  
7 7050616 Screw of cross head 2 Carbon structural steel of cold heading M6•16
8 212571501 Air cylinder 2 Thin wall pipe of aluninun alloy 6A02T4  
9 17103 Seal ring of Cylinder 2 Silicone rubber  
10 212571417 Sealing ring of cylinder cover 2 Silicone rubber  
11 212571401 Cylinder head 2 Die-cast aluminum alloy YL102  
12 7571525 Screw of inner hexagon Cylinder head 12   M5•25
13 17113 Sealing ring of connecting pipe 4 Silicong rubber  
14 212571801 Connecting pipe 2 Aluminum and aluminum alloy connecting rod LY12  
15 7100406 Screw of Cross head 4 1Cr13N19 M4•6
16 212571409 Limit block 2 Die-cast aluminum alloy YL102  
17 000402.2 Air outlet valve 2 7Cr27 quenching steel belt of The Swedish sandvik  
18 212571403 valve 2 Die-cast aluminum alloy YL102  
19 212571404 Air inlet valve 2 7Cr27 quenching steel belt of The Swedish sandvik  
20 212571406 Metal gasket 2 Stainless steel plate of heat and acidresistance  
21 212571107 Right fan 1 Reinforced nylon 1571  
22 212571201 Crank 2 Gray castiron  H20-40  
23 14040 Bearing 6006-2Z 2    
24 70305 Tighten screw of inner hexagon flat end 2   M8•8
25 7571520 Screw of inner hexagon Cylinder head 2   M5•20
26 212571102 Right box 1 Die-cast aluminum alloy YL104  
27 6P-4 Lead protective ring 1    
28 7095712-211 Hexagon head bolt 2 Carbon structural steel of cold heading M5•152
29 715710-211 Screw of Cross head 2 Carbon structural steel of cold heading M5•120
30 16602 Light spring washer 4   ø5
31 212571600 Stator 1    
32 70305 Lock nut of hexagon flange faces 2    
33 212571700 Rotor 1    
34 14032 Bearing 6203-2Z 2    

 


FAQ

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2: Our factory is located in Linbei industrial area No.30 HangZhou City of ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: Two years warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: Generally, 1000 pcs can be delivered within 25 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome

Q7:Can you accept non-standard customization?

A7:We have the ability to develop new products and can customize, develop and research according to your requirements

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After-sales Service: Remote Guided Maintenance
Warranty: 2 Years
Principle: Mixed-Flow Compressor
Samples:
US$ 65/Piece
1 Piece(Min.Order)

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Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

piston vacuum pump

How Does a Piston Vacuum Pump Work?

A piston vacuum pump, also known as a reciprocating vacuum pump, operates using a piston mechanism to create a vacuum. Here’s a detailed explanation of its working principle:

1. Piston and Cylinder Assembly:

– A piston vacuum pump consists of a piston and cylinder assembly.

– The piston is a movable component that fits inside the cylinder and creates a seal between the piston and cylinder walls.

2. Intake and Exhaust Valves:

– The cylinder has two valves: an intake valve and an exhaust valve.

– The intake valve allows gas or air to enter the cylinder during the suction stroke, while the exhaust valve allows the expelled gas to exit during the compression stroke.

3. Suction Stroke:

– During the suction stroke, the piston moves downward, creating a vacuum within the cylinder.

– As the piston moves down, the intake valve opens, allowing gas or air from the system being evacuated to enter the cylinder.

– The volume within the cylinder increases, causing a decrease in pressure and the creation of a partial vacuum.

4. Compression Stroke:

– After the suction stroke, the piston moves upward during the compression stroke.

– As the piston moves up, the intake valve closes, preventing backflow of gas into the evacuated system.

– Simultaneously, the exhaust valve opens, allowing the gas trapped in the cylinder to be expelled.

– The upward movement of the piston reduces the volume within the cylinder, compressing the gas and increasing its pressure.

5. Expulsion of Gas:

– Once the compression stroke is complete, the gas is expelled through the exhaust valve.

– The exhaust valve then closes, ready for the next suction stroke.

– This process of alternating suction and compression strokes continues, gradually reducing the pressure within the evacuated system.

6. Lubrication:

– Piston vacuum pumps require lubrication for smooth operation and to maintain the airtight seal between the piston and cylinder walls.

– Lubricating oil is often introduced into the cylinder to provide lubrication and help maintain the seal.

– The oil also helps to cool the pump by dissipating heat generated during operation.

7. Applications:

– Piston vacuum pumps are commonly used in applications where high vacuum levels and low flow rates are required.

– They are suitable for processes such as laboratory work, vacuum drying, vacuum filtration, and other applications that require moderate vacuum levels.

In summary, a piston vacuum pump operates by creating a vacuum through the reciprocating motion of a piston within a cylinder. The suction stroke creates a vacuum by lowering the pressure within the cylinder, while the compression stroke expels the gas and increases its pressure. This cyclic process continues, gradually reducing the pressure within the system being evacuated. Piston vacuum pumps are commonly used in various applications that require moderate vacuum levels and low flow rates.

piston vacuum pump

What Is the Energy Efficiency of Piston Vacuum Pumps?

The energy efficiency of piston vacuum pumps can vary depending on several factors. Here’s a detailed explanation:

1. Design and Technology:

– The design and technology used in piston vacuum pumps can significantly influence their energy efficiency.

– Modern piston pump designs often incorporate features such as optimized valve systems, reduced internal leakage, and improved sealing mechanisms to enhance efficiency.

– Advancements in materials and manufacturing techniques have also contributed to more efficient piston pump designs.

2. Motor Efficiency:

– The motor driving the piston pump plays a crucial role in overall energy efficiency.

– High-efficiency motors, such as those adhering to energy efficiency standards like NEMA Premium or IE3, can significantly improve the energy efficiency of the pump.

– Proper motor sizing and matching to the pump’s load requirements are also important to maximize efficiency.

3. Control Systems:

– The use of advanced control systems can optimize the energy consumption of piston vacuum pumps.

– Variable frequency drives (VFDs) or speed control systems can adjust the pump’s operating speed based on the demand, reducing energy consumption during periods of lower demand.

– Smart control algorithms and sensors can also help optimize the pump’s performance and energy efficiency.

4. System Design and Integration:

– The overall system design and integration of the piston vacuum pump within the application can impact energy efficiency.

– Proper sizing and selection of the pump based on the specific application requirements can ensure that the pump operates within its optimal efficiency range.

– Efficient piping and ducting design, as well as minimizing pressure losses and leaks, can further improve the overall energy efficiency of the system.

5. Load Profile and Operating Conditions:

– The load profile and operating conditions of the piston vacuum pump have a significant impact on energy consumption.

– Higher vacuum levels or flow rates may require more energy to be supplied by the pump.

– Operating the pump continuously at maximum capacity may lead to higher energy consumption compared to intermittent or variable load conditions.

– It’s important to evaluate the specific operating requirements and adjust the pump’s operation accordingly to optimize energy efficiency.

6. Comparing Efficiency Ratings:

– When comparing the energy efficiency of different piston vacuum pumps, it can be helpful to look for efficiency ratings or specifications provided by the manufacturer.

– Some manufacturers provide efficiency data or performance curves indicating the pump’s energy consumption at various operating points.

– These ratings can assist in selecting a pump that meets the desired energy efficiency requirements.

In summary, the energy efficiency of piston vacuum pumps can be influenced by factors such as design and technology, motor efficiency, control systems, system design and integration, load profile, and operating conditions. Considering these factors and evaluating efficiency ratings can help in selecting an energy-efficient piston vacuum pump for a specific application.

piston vacuum pump

What Are the Differences Between Single-Stage and Two-Stage Piston Vacuum Pumps?

Single-stage and two-stage piston vacuum pumps are two common types of pumps used for creating a vacuum. Here’s a detailed explanation of their differences:

1. Number of Stages:

– The primary difference between single-stage and two-stage piston vacuum pumps lies in the number of stages or steps involved in the compression process.

– A single-stage pump has a single piston that compresses the gas in one stroke.

– In contrast, a two-stage pump consists of two pistons arranged in series, allowing the gas to be compressed in two stages.

2. Compression Ratio:

– Single-Stage: In a single-stage piston vacuum pump, the compression ratio is limited to the single stroke of the piston. This means that the pump can achieve a compression ratio of approximately 10:1.

– Two-Stage: In a two-stage piston vacuum pump, the compression ratio is significantly higher. The first stage compresses the gas, and then it passes through an intermediate chamber before entering the second stage for further compression. This allows for a higher compression ratio, typically around 100:1.

3. Vacuum Level:

– Single-Stage: Single-stage piston vacuum pumps are generally suitable for applications that require moderate vacuum levels.

– They can achieve vacuum levels up to approximately 10-3 Torr (millitorr) or in the low micron range (10-6 Torr).

– Two-Stage: Two-stage piston vacuum pumps are capable of reaching deeper vacuum levels compared to single-stage pumps.

– They can achieve vacuum levels in the high vacuum range, typically down to 10-6 Torr or even lower, making them suitable for applications that require a more extensive vacuum.

4. Pumping Speed:

– Single-Stage: Single-stage pumps generally have a higher pumping speed or evacuation rate compared to two-stage pumps.

– This means that single-stage pumps can evacuate a larger volume of gas per unit of time, making them suitable for applications that require faster evacuation.

– Two-Stage: Two-stage pumps have a lower pumping speed compared to single-stage pumps.

– While they may have a slower evacuation rate, they compensate for it by achieving deeper vacuum levels.

5. Applications:

– Single-Stage: Single-stage piston vacuum pumps are commonly used in applications that require moderate vacuum levels and higher pumping speeds.

– They are suitable for laboratory use, vacuum packaging, HVAC systems, and various industrial processes.

– Two-Stage: Two-stage piston vacuum pumps are well-suited for applications that require deeper vacuum levels.

– They are commonly used in scientific research, semiconductor manufacturing, analytical instruments, and other processes that demand high vacuum conditions.

6. Size and Complexity:

– Single-Stage: Single-stage pumps are generally more compact and simpler in design compared to two-stage pumps.

– They have fewer components, making them easier to install, operate, and maintain.

– Two-Stage: Two-stage pumps are relatively larger and more complex in design due to the additional components required for the two-stage compression process.

– They may require more maintenance and expertise for operation and servicing.

In summary, the main differences between single-stage and two-stage piston vacuum pumps lie in the number of stages, compression ratio, achievable vacuum levels, pumping speed, applications, and size/complexity. Selecting the appropriate pump depends on the desired vacuum level, pumping speed requirements, and specific application needs.

China best 750W Oil Free Piston Vacuum Pump Air Compression Pump Small Air Compressor Cn Zhe Made in China Silent Oil Pump for Packaging Machinery   vacuum pump ac system	China best 750W Oil Free Piston Vacuum Pump Air Compression Pump Small Air Compressor Cn Zhe Made in China Silent Oil Pump for Packaging Machinery   vacuum pump ac system
editor by CX 2024-03-30

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