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China Custom Silent Dry Oil Free Screw Vacuum Air Pump vacuum pump for ac

Product Description

Product Description

DPSB Silent Energy Saving Dry Screw Vacuum Pump System:

DPSB silent energy saving dry screw vacuum system is a new type vacuum system, it designed and developed according to customer requirements, including vacuum pump, frequency conversion governor, digital display vacuum gauge, cooling fan, metal frame, metal plate and other related components.

Working Principle:

1.The silent energy saving dry screw vacuum system combined with the cabinet, lower noise and more beautiful appearance.

2.Equipping with the frequency converter, the customer can adjust the motor speed by himself, which can meet the customer’s demand for different flow rates and different vacuum degrees.

3.Equipping with cooling fan, forced cooling with large air volume, better temperature control effect and more stable vacuum.

Product Parameters

Model DPSB571 DPSB050 DPSB080
Pumping Speed(m3/h) 20 50 80
Max Vacuum(Pa) 3
Motor Power(Kw/Hp) 1.1/1.5 1.5/2.0 2.2/3.0
Rotaring Speed(RPM) 2980
Working Voltage(V/HZ/Phase) 220-480/50/3 or 220-480/60/3
Structure Horizontal Type
Inlet Hole KF25 KF40 KF40
Outlet Hole KF25 KF25 KF25
Cooling Method Air Cooled
Sealing Method Mechanical Flat Seal
Gear/Bearing Lubrication 100# Synthetic Gear Oil 
Noise(dB) 65 67 69
Weight(Kg) 68 81 88
Dimension(LxWxH, MM)  725x325x315 870x400x455 925x400x455
1m3/h=0.2778L/S, 1m3/h=0.5883CFM.
1Pa=0.01mbar, 1Pa=0.001Kpa, 1Pa=0.0075Torr, 1Pa=0.000145PSI, 1Pa=0.00001Bar.


Our Advantages

1.Lower noise, obvious noise reduction, adapt to office and demanding environmental requirements.

2.Beautiful appearance, in line with modern aesthetic requirements, color can be white or gray.

3.Variable speed operation to meet customers’ needs for different flow rates and different vacuum levels.

4.Vacuum can be detected in real time and displayed in digital.

5.The inverter has electrical protection to protect the vacuum pump, display faults and status.

6.Stainless steel handle, easy to lift and move.

7.Large air volume sure betterair cooling, better heat dissipation and more stable vacuum.

8.Lightweight and strong with metal frame.


Packaging & Shipping




Q1: If I want to inquiry, what can I need to offer?
A1: Please tell us your Working Vacuum Degree(Pa,mbar or torr), Flowrate(L/S or M3/H) and Usage.

Q2: Do you have MOQ?
A2: 1Pcs is ok,if you have more quantity, the price will be cut down.

Q3: How long to delivery?
A3: We need about 4-5 weeks to produce,then extra need about 5-7 days to arrange domestic delivery and port clearence.

Q4: What is your payment term?
A4: 50% for prepayment, then the balance should paid before delivery, by TT.

Q5: How long for the warranty?
A5: 1 year for whole machine, the effective date of warranty should be counted from 1 month the goods arrived in client’s site. If the pump go wrong, the client can choose back the pump to factory repair,or we offer remote technical support.

After-sales Service: Remote Support
Warranty: 1 Year
Oil or Not: Oil Free
Structure: Variable Pitch Screw Vacuum Pump
Exhauster Method: Negative Pressure Air Pump
Vacuum Degree: High Vacuum


Vacuum Pump

Types of vacuum pumps

A vacuum pump is a device that pulls gas molecules out of a sealed volume and maintains a partial vacuum. Its job is to create a relative vacuum within its capabilities. Several types of vacuum pumps are available, including scroll and rotary piston models. Each has its own characteristics and uses. To learn more, read this article.

Screw Pump

Screw vacuum pumps use a mechanical screw to move an air or gas chamber to the axial housing wall. The movement of the chamber reduces the volume of gas, which is pre-compressed before being expelled through the pressure connection. These pumps can be single-pitch models or variable-pitch models. Variable pitch models feature variable pitch rotors that help distribute heat loads evenly across the rotor. Some models also include a thermostatic control valve that shuts off the pump if the water temperature gets too high. Screw vacuum pumps are available in single-ended or double-ended designs. Single-ended and double-ended screw pumps provide up to 3.7 x 10-4 Torr and an ultimate vacuum of 900 m3/h (560 cfm), which is sufficient for many industrial processes. Progressive cavity pumps are particularly suitable for vapor compression applications. These pumps also have an internal rotor to minimize layer formation. Combined with air cooling, they are suitable for use in hazardous environments. In addition, the screw rotor design prevents the build-up of substances in the pump cavity that could react with high temperatures. These pumps are also easily removable for quick cleaning. Screw vacuum pumps are also designed for low cost and minimal maintenance. Agknx screw vacuum pumps are designed in Germany and are very reliable and economical. Pump performance depends on cooling system and temperature. The temperature of the water used should be kept within a certain range, otherwise the pump may overheat and fail. Screw vacuum pumps are often used in scientific experiments. They are standard main pumps in large storage rings, gravitational wave detectors, and space simulation chambers. One of the largest ultra-high vacuum chambers in the world is made of screw vacuum pumps. An example is the KATRIN experiment. There are two types of screw vacuum pumps: oil-sealed and dry. Oil-sealed screw pumps use oil as a sealant and coolant. They are suitable for demanding vacuum applications such as woodworking and plastics processing. Dry screw pumps have an air-cooled chamber, and they can achieve higher vacuum levels than oil-sealed pumps.

Rotary Piston Vacuum Pumps

Rotary Piston Vacuum Pumps provide the rugged performance essential for applications requiring vacuum. They can deliver flow rates up to 1280 acfm and reach deep vacuum levels up to 0.0004 Torr. They are available in single-stage and two-stage models. The report also provides detailed information about the key players, their financial status, and business overview. A rotary piston vacuum pump is a versatile and affordable vacuum device. They are available in single-stage and two-stage configurations with higher capacity and higher vacuum. They can be easily maintained by an in-house maintenance team or by a local third-party service shop. Pump manufacturers can also provide services. Rotary piston vacuum pumps are available in single-stage and compound designs. They are ideal for a variety of applications. Their high-performance design enables them to operate at any pressure up to atmospheric pressure. They also have no metal-to-metal contact, which makes them ideal for dirty applications. Whether you need a pump that can operate at high or low pressure, a rotary piston vacuum pump is an excellent choice. When purchasing a rotary piston vacuum pump, it is important to choose a manufacturer with a reputation for providing high-quality service and repairs. In addition to the high quality of the pump, you also need to ensure its availability. You should also consider the cost and quality of the part. A good vacuum pump company should also provide technical support, service support and accessories. Oil-free pumps are a popular choice for laboratories, clean rooms and confined rooms. Their high-quality parts are made from lightweight, corrosion-resistant and specially formulated polymers. Oil-free pumps can handle high levels of air moisture and are excellent at removing contaminants. However, they are not suitable for applications containing organic vapors or acids. Atlas Copco’s GLS rotary piston pumps are a popular choice for industrial vacuum applications. Its space-saving design makes it an ideal solution for harsh environments. It is also very reliable and has low lifecycle costs. It has an automatic lubrication system and water mizer to minimize water consumption.
Vacuum Pump

Scroll Vacuum Pumps

<br Scroll Vacuum Pumps can be used to pump air, gases, and other fluids. They are suitable for creating a vacuum in transfer chambers, mass spectrometers, and load lock chambers. They are also ideal for helium leak detectors and other analytical equipment. Scroll vacuum pumps are available in a variety of models, including the diaphragm, turbine, and oil-dry scroll models. They are used in a variety of industries, including the semiconductor, biotechnology, and pharmaceutical industries. Flexible and durable oil-free scroll vacuum pumps are an excellent choice for light industrial, general laboratory, and research applications. They also offer several advantages over other vacuum pumps, including low operating costs and environmental sustainability. Scroll vacuum pumps do not require oil, which is a big advantage in terms of cost. Scroll vacuum pumps are also quieter. Scroll vacuum pumps are designed for low, medium, and high vacuum systems. They create a high vacuum and cannot tolerate particles. Although they are relatively small, they are ideal for vacuum laboratory applications and are also suitable for dry vacuum pumping. They can be combined with chemically resistant PTFE components, making them more suitable for chemical applications. Scroll vacuum pumps feature a unique design that makes them very versatile and efficient. The pump has two helical structures, one is fixed and the other is rotating, which can effectively pump gas and liquid. When the rotor begins to move, the gas is compressed slightly and then flows through the system to the exhaust port. Scroll vacuum pumps are efficient, oil-free and compact. Known for their high tolerance to the atmosphere, they feature sensorless INFORM(r) control to minimize noise and vibration. These vacuum pumps are ideal for low to medium flow applications including analytical equipment, freeze dryers, vacuum coaters and mass spectrometers. The most important advantage of a scroll vacuum pump is its reliability. They can be used for three years or more without problems and are easy to maintain. With proper maintenance, they can reduce repair costs.
Vacuum Pump

Diaphragm vacuum pumps

Diaphragm vacuum pumps are used in a variety of industrial processes. These pumps use an elastic diaphragm fixed around the outer diameter. They are efficient and can handle most types of liquids. They are commonly used for dewatering, filling and water removal. These pumps are easy to maintain. Diaphragm vacuum pumps are available in a variety of sizes and power outputs. Oil-free diaphragm vacuum pumps do not require oil, lubrication and cooling. These pumps are compatible with many types of laboratory equipment. Diaphragm vacuum pumps are equipped with dual voltage motors and DC drives for greater flexibility and durability. Diaphragm vacuum pumps can achieve higher vacuum levels than rotary vane pumps. They are more efficient than diaphragm pumps. They do not require oil and require less maintenance than their rotary vane counterparts. However, the diaphragms of these pumps may need to be replaced every few years. Diaphragm vacuum pumps are the most popular type of vacuum pump and can be used for a variety of applications. They can be used for everyday work and can be large enough to be used in a vacuum oven or rotary evaporator. Diaphragm vacuum pumps use pulsed motion to move air. They eliminate the need for oil and are highly chemical and steam resistant. They can handle a wide variety of samples, including high viscosity liquids. Diaphragm vacuum pumps are generally smaller than other types of vacuum pumps. Scroll pumps are made of metal and are generally recommended for solvent and water samples. They are not recommended for high acid samples. However, they are suitable for freeze drying. They can also be used for concentration applications. In this way, they have greater displacement capacity and can reach higher ultimate vacuum levels.

China Custom Silent Dry Oil Free Screw Vacuum Air Pump   vacuum pump for ac	China Custom Silent Dry Oil Free Screw Vacuum Air Pump   vacuum pump for ac
editor by CX 2023-07-13

Double Custom made in China – replacement parts – in Stockholm Sweden Screw Extruder for Powder Coating EPT Branded with top quality

Double  Custom  made in China - replacement parts -  in Stockholm Sweden  Screw Extruder for Powder Coating  EPT Branded with top quality

We – EPG Team the largest gearbox & motors , torque limiter couplings and gears manufacturing facility in China with 5 distinct branches. For much more details: Cell/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828

one. Mixers:

one.1 Automated Container Mixer

Automated container mixer is wor ept with steady substance trolleys, the container fills the supplies and lifted up and connnected tightly with mixing head immediately. The mixing head tilts jointly with the containers, and then receive the homogeneous mixing consequence, right after ending mixing as for every setting time, and return to unique place, the whole method will be controlled by PLC

Major Features:

Numerous detachable containers for circular procedure
High effectiveness
Adopting PLC to understand automation
Homogenized mixture
No curing granule
Practical for cleansing and servicing
Protected and relaiable procedure

Technological Data:

Design Quantity (L) Output (kg/tank) Mixing Motor (kw) Tilting Motor (kw) Crushing Motor (kw) Mixing Time (min) Handle Manner Total Proportions (MM)
FHJ-15 fifteen 8 one.five     five-ten PLC  750*480*950
FHJ-120 120 sixty five.5 .2   five-10 PLC  1800*1800*1950
FHJ-150  150 70 5.5 .37 2.two five-10 PLC  2150*1100*2300 
FHJ-300 three hundred 150 15 3 two.two five-10 PLC  2150*1100*2300 
FHJ-600  600 three hundred 22 four four five-10 PLC  2650*1250*2700 
FHJ-one thousand one thousand five hundred 30 4 four 5-ten PLC  2900*1550*3100 
FHJ-2000  2000 a thousand 45 5.5 5.5 5-10 PLC  3500*2350*3650 

one.2 High Speed Pre-Mixer:


High effectiveness & straightforward procedure

Straightforward colour modifying, risk-free cleansing

Blended mixing & crushing as a single

Mixing time preseting, quick & homogeneous

Excellent sealing, powder lea ept free

Vertical or horizontal kind as optional

Complex Knowledge:

Model Volume (L) Mixing Motor (kw) Crushing Motor (kw) Mixing Time (min) Overall Proportions (mm)
GHJ-twenty 20 .55 .37 three-five seven hundred*five hundred*800
GHJ-one hundred one hundred three one.five 3-5 a thousand*600*900
GHJ-two hundred 200 5.five three three-five 1500*900*1400
GHJ-300 three hundred 7.five 4 three-6 1800*900*1400
GHJ-500 500 fifteen 5.five 4-six 1800*1300*1800
GHJ-800 800 eighteen.5 7.5 4-6 1900*1300*2000
GHJ-one thousand 1000 22 seven.5 four-six 2300*1400*2000

one.3 Double Cone Mixer:

This twin-cone mixer is composed of a rotating container with two cones and two stirrers. This machine is applicable for powder coating, pharmaceutical, chemical, foodstuff, dyestuff, and other multi-compound resources. It has remarkable influence in mixing powders and particles with fairly great fluidity. Its barrel is created of stainless metal, which is polished both within and exterior, that includes stunning physical appearance and straightforward procedure.

Specialized Knowledge:

Model Quantity (L) Output (kg/tank) Rotating Motor (kw) Mixing Motor (kw) Mixing Time (min) Total Proportions (mm)
SXH-a hundred three hundred one hundred fifty 1.five 1.five -30 1760*830*2030
SXH-two hundred 400 two hundred one.5 1.five -thirty 1830Ball-detent torque limiters transmit pressure by way of arrays of balls locked (by springs) in detents. These one or multi-situation torque limiters clutch connected load by letting the balls escape their detents when drive torque exceeds that to defeat the spring set. Roller-detent torque limiters operate considerably the identical way as ball-detent types — by wedging amongst the torque limiter’s internal and outer races. These torque limiters can need manual reset, or they can reset immediately. If a multi-position model, detents are spaced every 30, sixty, 90° or other interval to provide slow-velocity axes that cannot tolerate a extended gradual wait for reengagement*830*2150
SXH-three hundred 600 three hundred 2.two 1.5 -30 1980*a thousand*2275
SXH-500 1000 500 four four one-30 2630*1140*2620
SXH-one thousand 2000 1000 five.5 5.five -thirty 3060*1440*2860
SXH-1500 3000 1500 7.5 seven.5 -thirty 3700*2000*2970
SXH-2000 4000 2000 eight.five 8.five -thirty 3800*2500*3500

2. Twin-Screw Extruder

2.1 Substantial torque & Substantial Pace Rotation Twin-Screw Extruder:

Principal Features:

*Entire Gearbox from skilled EPT maker, minimal noise, resilient longevity

*High screw pace, substantial shearing, rapid discharge

*Impartial lube oil cooling method layout

*Torque limiter to protect the generate practice

*Suited for reclaim powder, unique powder generation

*Split design and style of barrel and liner inserts for easy cleaning and maintainence

*Top & Facet feeding choices

*Other attributes exact same as typical kind extruder

Specialized Parameters:

Design Capacity (kg/h) Screw Diameter (mm) Screw Duration (mm) Screw Speed (r/min) Principal Motor (kw) Feeder Motor (kw) Heating Energy (kw) Overall Dimensions (mm)
TSX-forty 80-260 40 16D -800 eleven/15/18.5 .fifty five 8 1850*seven-hundred*1750
TSX-52 a hundred and fifty-450 52 16D -800 22/30/37 .75 10 2700*900*2200
TSX-65 four hundred-1000 sixty five 16D -800 45/fifty five/75 1.one twelve 2900*a thousand*2400
TSX-seventy five 800-1200 75 16D -800 seventy five/ninety 1.5 sixteen 3100*1200*2500
TSX-85 1200-1800 eighty five 16D -800 90/110 two.2 twenty 3700*1500*2900

two.2 Traditional Type Co-Rotation Parallel Twin Screw Extruder


*Powerful shearing, straightforward cleansing

*Exact automobile temperature control, high cooling & heating exchagne

*Hinged clamshell type barrel opening, segmented liners for effortless changing and cost preserving

*Feeder effortless assembly & disassembly, interior construction to avoid agglomeration

*Configurable screw applied for defferent powder formulation

*Screw and barrel undertake special supplies like Cr12MoV, CPM, etc., higher putting on resisting

*Very gearbox with reduced noise dB degree

*Torque limiter to safeguard the push train

*Lower vitality use

Complex Parameters:

Product Capacity (kg/h) Screw Diameter (mm) Screw Duration Screw Speed (r/min) Primary Motor (kw) Feeder Motor (kw) Heating Electricity (kw) Overall Proportions (mm)
SLJ-40 eighty-220 40 16D -500 11/15/18.5 .55 4 1800*600*1700
SLJ-fifty 150-three hundred 50 16D -five hundred 22/30 .seventy five 8 2600*seven hundred*2000
SLJ-fifty five three hundred-four hundred 55 16D -500 thirty/37 .seventy five eight 2700*900*2300
SLJ-sixty 400-600 60 16D -five hundred forty five one.one twelve 2750*a thousand*2350
SLJ-seventy five 600-800 seventy five 16D -500 fifty five one.five 12 2900*1100*2400
SLJ-eighty 800-1200 eighty 16D -500 75/ninety 2.two 20 3700*800*2800

two.3 Lab Type Extruder

Technological Parameters:

Product Capability (kg/h) Screw Diameter (mm) Screw Length Screw Velocity (r/min) Main Motor (kw) Feeder Motor (kw) Heating Energy (kw) Overall Dimensions (mm)
TSX-twenty .2-ten 22 16D -600 2.2-four .1 two 1600*three hundred*850
SLJ-thirty 1-30 30 16D -five hundred 3-5.five .18 3.two 1430*550*1300
SLJ-32 40-80 32 16D -five hundred 7.5/eleven .twenty five three.two 1600*five hundred*1500

3 Cooling Belt

3.1 Drinking water Cooled Cooling Belt with Flaker:


Constant top quality imported metal belt

Base cooling water spraying technique, set up heating and cooling device

Outfitted with information unit to stay away from deforming

Better cooling outcome, larger successful productivity

Couple of routine maintenance and easy cleaning

Chips thickness and roller speed adjustable

Crusher with finger pin and tooth kind

Minimized cross contamination, straightforward operation

Technical Parameters:

Design Roller Dia. (mm) Belt Width (mm) Belt Duration (mm) Drive Motor (kw) Capability (kg/h) Cooling Manner General Proportions (mm)
GDY-406 220 600 4000 1.five two hundred-four hundred Cooled Water 4000*750*1600
GDY-508 325 800 5000 three 400-five hundred Cooled H2o 5000*900*1800
GDY-510 325 one thousand 5000 3 five hundred-seven-hundred Cooled Water 5000*1100*1900
GDY-610 440 1000 6000 four 600-800 Cooled Drinking water 6000*1100*1900
GDY-612 440 1200 6000 four seven-hundred-900 Cooled H2o 6000*1400*1900
GDY-712 600 one thousand 7000 five.five 900-1200 Cooled H2o 7000*1400*2000

3.2 Air Cooled Variety Caterpillar Cooling Belt with Flaker:


Stainless metal made caterpillar, air cooling

Flake chips thichness and conveying speed adjustable

Affordable design for cooling rollers within, expert surface treatment to avoid h2o lea ept and rust

Set up with simplified air conditioning device

Secure procedure, like unexpected emergency button, clockwise and counter-clockwise rotation.

Technological Parameters:

Model Roller Dia. (mm) Belt Width (mm) Belt Size (mm)  Travel Motor (kw) Blower Motor (kw) Potential (kg/h) Cooling Method All round Proportions (mm)
JFY-204  one hundred sixty/one hundred sixty four hundred 2000 .fifty five two hundred-400 30-100 Chilled Drinking water&Air 2000*450*900
JFY-406 one hundred sixty/220 600 4000 .seventy five 400-five hundred a hundred-220 Chilled H2o&Air 4000*850*950
JFY-508 one hundred eighty/325 700 5000 .seventy five 500-700 220-400 Chilled Water&Air 5000*1050*1200
JFY-510 one hundred eighty/325 800 5000 one.1 600-800 400-five hundred Chilled H2o&Air 5000*1150*1200
JFY-610 a hundred and eighty/325 800 6000 one.one 700-900 five hundred-seven-hundred Chilled Water&Air 6000*1150*1200
JFY-710 one hundred eighty/325 a thousand 6000 one.5 900-1200 600-900 Chilled Water&Air 7000*1250*1450
JFY-812 180/325 a thousand 7000 2.2 900-1200 900-1200 Chilled Drinking water&Air 8000*1650*1600

three.3 PU Type Air Cooled Cooling Belt


Adjustable thichness and roller pace

Air cooled to steer clear of cross contamination

Roller and crusher geared up with overload protection

High efficiencies

1 piece PU belt to faciliate easy cleaning and maintenance

Compact design for restricted place

Technological Parameters:

Model Roll Dia. (mm) Band Width (mm) Band Length (mm) Motor Energy (kw) Throughput (kg/h) Proportions (mm)
PFY-104 156 400 1000 one.one 50 a thousand*870*1050
PFY-206 220 600 2000 one.1 a hundred and fifty 2000*1150*1100
PFY-208 445 800 2000 two.two three hundred 2000*1100*1100
PFY-210 445 1000 2000 two.2 500 2000*1300*1100
PFY-310 622 one thousand 3000 2.2 800 2000*1300*1200

4 ACM (Air Classifier Mill) Grinding Method


Protection in accordance with EU explosion resistant regular ATEX/PSR11

Low noise style (from mill to supporter method)

Particle measurement distribution adjustable on ask for

Mill human body temperature and air consumption volume monitoring

Rotary sieve with special layout and sturdy for mesh use situation

Total grinding system made for powder dust free

Concluded powder items with much more than ninety eight p.c

Higher output, simple operation cleaning and upkeep

Complex Parameters:

Design Mill Motor kw Rotor rpm Classifier Motor Classifier rpm Fan kw Air cbm/h Potential kg/h All round proportions mm
ACM-02 two.2 12000 .37 -3000 three 350 two-thirty 1430*550*1300
ACM-05 4 11000 .75 -3000 four 800 30-eighty 2100*1000*2150
ACM-ten 7.5 7000 one.five -3000 11 2500 one hundred-260 6200*1250*3200
ACM-fifteen eleven 7000 1.5 -3000 15 3000 200-350 6500*1300*3300
ACM-twenty fifteen 6600 two.two -3000 22 3500 three hundred-400 7500*1300*3600
ACM-30 22 5500 three -3000 30 4500 400-550 7900*1500*3600
ACM-forty thirty 4600 5.five -3000 37 5500 600-800 8000*1700*3600
ACM-50 37 4000 7.five -3000 45 6500 a thousand-1200 9000*1900*3900
ACM-60 forty five 3500 7.5 -3000 55 8000 1200-1600 9000*2000*4000


Xihu (West Lake) Dis.sunshine is a major manufacturer in China of Powder Coating Creation Equipments, i.e. Mixers, Extruders, Cooling Belt and Air Classifier Mill. We inherit 30 years of ordeals in this ept and have exported to virtually thirty nations around the world and areas in the earlier ten several years, and win widely excellent reputations.

We passed CE certification approval and ATEX explosion resistant examination, and so forth. international expectations, we do know how to fulfill the diversified and custom-made manufactured requests of our clients.

Our everlasting business philosophy: consistant good quality, successful conversation, dependable support.

The use of first equipment manufacturer’s (OEM) element figures or logos , e.g. CASE® and John Deere® are for reference purposes only and for indicating solution use and compatibility. Our business and the detailed substitution components contained herein are not sponsored, accepted, or produced by the OEM.

Double  Custom  made in China - replacement parts -  in Stockholm Sweden  Screw Extruder for Powder Coating  EPT Branded with top quality

Double  Custom  made in China - replacement parts -  in Stockholm Sweden  Screw Extruder for Powder Coating  EPT Branded with top quality

Double  Custom  made in China - replacement parts -  in Stockholm Sweden  Screw Extruder for Powder Coating  EPT Branded with top quality