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two stage permanent magnet VSD screw air compressor

  • two stage permanent magnet VSD screw air compressor
  • two stage permanent magnet VSD screw air compressor
  • two stage permanent magnet VSD screw air compressor

two stage permanent magnet VSD screw air compressor

    Payment Type: L/C,T/T,D/P
    Terms of Trade: FOB,CFR,CIF,EXW,FCA
    Min. Order: 1 Set/Sets
    Delivery Time: 30 Days
    Packaging: wooden case
    Brand: AUGUST
    Transportation: Ocean,Land,Air
    Place of Origin: CHINA
    Certificate: IS9001/ISO 14001/ CE
    HS Code: 8414809090
    Port: NIINGBO

Basic Info

Model No.: XPT75

Product Description


modle XPT75/7 XPT75/10 XPT75/13 XPT75/8
compressor type /control mode two stage /load-unload control
free air delivery (m3/min) 4.95~16.5 4.05~13.5 3.6~12 4.56~15.2
working pressure (MPa) 0.7 1.0 1.3 0.8
air flow adjustment inverter
inlet pressure (MPa) 0.1
working temperature (℃) -5~40
discharge temperature (℃) <105
outlet temperature (℃) under environment temperature +15℃
outlet oil content (ppm) ≤3
air end vibration(mm/s) ≤7.1(GB/T 7777)
drive coupling direct drive
pipe size R2
lubricant(L) 50
Microcomputer control discharge pressure, discharge temperature, current, maintenance reminder, failure alarm, intelligent operation, linkage control and remote start and stop, and Internet of things (optional)
safety protection device Safety valve, high discharge temperature, high discharge pressure, over current, underphase, reverse phase
maintenance indicator Air Filter, oil filter, oil and air separator filter , lubricating oil, grease
noise dB(A) 75±3
dimension (L×W×H)(mm) 2400×1500×1700
weight (kg) about 2270
Motor power (kW) 75
type /start method PM motor/VSD
cooling method air cooled
voltage /frequency /speed /pole 380V/75Hz/1500/6
IP grade IP54
insulation grade F
cooling system cooling method air cooled
control intelligent control
type / Installation cooling fan/Suction
power (kW)/numbers 2.2×2
Air Flow(m3/h) 11000×2

High efficiency and energy saving

First stage compression unit and the second stage compression unit are integrated in one air end driven directly by the helical gear, the optimal linear speed for each stage.

After the first stage compression, constant pressure compression by intensify spread oil cooling, reduce the second stage compression suction temperature, ensure that the second stage compression unit is close to isothermal compression.

Compression ratio reasonable distribution, optimized bearing design, second stage compression reduces the compression ratio of each stage, reduces internal leakage, improves the volume efficiency, reduces the bearing load, and improves the life of the air end.

In the same power, double stage compression energy saving is 15% more than the single stage compression.

1 (8)1 (9)

The latest generation of efficient XA series rotor type line

Latest generation of XA series bilateral asymmetric optimization of rotor type line, male and female rotor 6/5 tooth number ratio.

"XA" series rotor type line, using SKF Cylinder and Angle contact ball high efficient bearings, bearing lifetime more than 100,000 hours.

big rotor, low speed, high precision, high efficiency, low noise, low vibration, high reliability, long lifetime design , adhering to the "high efficiency, energy saving, reliable, durable" manufacturing philosoph

1 (10)

Finite element assisted optimization design

Deeply analyze the reasons for the double stage compression energy saving

According to the working principle of Screw Compressor, isothermal compression process is the most economical.

The figure below shows the indicator diagram of the overall compression process. The curve 1-2'-3' is the isothermal compression process, and the area of 6-1-3'-4 is the indicator work of isothermal compression.

Curve 1-2-3 "is the normal single stage compression process, and the area 6-1-3"-4 is the indicator work of normal single stage compression.

The curve 1-2-2'-3' is the AUGUST double stage compression process, and the area of 6-1-2-2 '-3-4 the indicator work of AUGUST double stage compression.

From here you can see that the isothermal compression process '6-1-3-4 area is smallest (minimum indicated work), but in actual can't achieve isothermal compression,while AUGUST double stage compression more energy saving than normal single stage commission .

High precision filtration separation system

1μm precision air filter, 10 μm precision oil filter,

large capacity design standard to ensure the compressor Long-term efficient and safe operation.

oil content≤3ppm,which provides you with a cleaner air source.

High safety control valve system

high quality inlet control valve, Large caliber, small resistance, precision casting

Reliable check valve, low fluid resistance, good sealing, quick closure

High quality minimum pressure valve, low pressure loss, open and close safety and reliability

temperature control valve prompt response, to avoid the condensed water

The fluoro rubber with O ring , the invisible place gives you the visible safety

1 (2)

Reliable cooling system

Large heat dissipation area design, avoid to high temperature stop.

Axial flow cooling fan, large air volume, Suction structure, heat evenly.

2 fan design, determine the number of starting fans according to the discharge temperature.

Unique cooling flow field with low noise.

1 (3)

Mixed flow system temperature control valve

Between first and second air end Inject cooling oil, in order to ensure the interstage compressed air temperature is always above the dew point temperature, using patent design of mixed flow system temperature control valve ,achieves the good interstage cooling and prevent the formation of liquid water, avoid corrosion and system oil emulsion problems

1 (4)

The third generation high efficiency permanent magnet motor

Insulation grade F, protection grade IP54,adapt to the bad environment.

Split design, easy maintenance.

Without gearbox design, motor is connected directly with rotor through the coupling, high transmission efficiency.

Low temperature rise, independent cooling fan design, so that the motor cooling is not affected by the speed regulation.

With PT100 temperature protection switch to avoid high temperature degaussing.

Large speed range, high precision and large adjustment range.

high temperature magnetic steel UH, 180 ℃ not break the magnetic.

permanent magnet motor is 3%~5% higher than normal motor, and constant efficiency.

1 (6)

The 3rd generation INOVANCE MD series inverter

Constant pressure supply: the supply pressure is precisely controlled under 0.01 MPa.

Eliminates empty load, reduces the empty load energy consumption by 45%.

Eliminate overpressure

Variable Frequency range is 30%~ 100%, which is larger than the general frequency range.

vector air supply, accurate calculation, ensure that the air volume of Air Compressor is consistent with the demand of the user system.

Personalized intelligent control system

company profile


1. Q: What is used for?

A: Machining, mining, shipbuilding, water conservancy, or energy automobile, cement, textile, food,

medicine, highway, railway or urban construction

2. Q: What is the Pressure?

A: We can supply pressure 7 / 8 / 10 / 13 BAR

3. Q: Air capacity (motor power )

A: From 5.5 KW to 250 KW

4. Q: Protection grade

A: IP54

5. Q: Certificate?

A: ISO 9001:2008, ISO 14000:2004, CE

6. Q: Delivery time?

A: Regular products 30 days

7. Q: What is the packing?

A: Wooden case

8. Q: Warranty

A: 18 months related parts warranty and 2 years air end warranty

Ningbo Xinda Screw Compressor Co., Ltd.

 NINGBO XINDA Screw Compressor CO., LTD.was founded in 1998,is a modern screw compressor specialized production enterprise,which has the core technology of screw Air Compressor,has full independent intellectual property rights,and by the strict review licensing screw air compressor manufacturing base.The factory covers an area of 200,000 square meters,a building area of 120,000 square meters and a total staff of more than 1,300, among which more than 300 professional and technical personnel. After more than 20 years of development,company accumulated rich experience in compressor design and manufacturing,has a strong R&D team, specialized in efficient and perfect compressed air system solutions,constantly improveing products performance and manufacturing process. Specializing in the production of AUGUST screw compressor,at present has XGT/XPT series-two stage compression regular pressure compressor EGT/EPT series-two stage compression compressor for textile industry SF/SF-T series-single stage compression compressor MP series-permanent magnet variable frequency compressor YGS series-all in one compressor, HPS series-speial for laser cutting all in one compressor WG(P)S/WHPS series-water lubrication oil free regular pressure and High Pressure Compressor LG(P)S series-single stage 3 bar low pressure compressor Special for industrial and mining compressor Quality performance reached the international advanced level,products industries all over the country,and exported to Europe,southeast Asia,Middle East and other regions,favored by users.Adhering to the business tenet of [high efficiency, energy saving, reliability and durable"AUGUST provide you with high-quality products and services as well as customized air compressor system solutions.

Company Info

  • Company Name: Ningbo Xinda Screw Compressor Co., Ltd.
  • Product/Service: Screw Compressor , Screw Air Compressor , Air Compressor , AUGUST Compressor , Rotary Compressor , Industrial Compressor
  • Capital (Million US $): 15,000,000 RMB
  • Year Established: 1998
  • Total Annual Sales Volume (Million US $): Above US$100 Million
  • Export Percentage: 41% - 50%
  • Total Annual Purchase Volume (Million US $): Above US$100 Million
  • No. of Production Lines: 3
  • No. of R&D Staff: Above 100 People
  • No. of QC Staff: 41 -50 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 10,000-30,000 square meters
  • Factory Location: Dongwu Town,Yinzhou District,Ningbo,China,315113
  • Contact Person: Mr. William
  • Tel: 86-574-88336011
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