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90kW Air Compressor INVT Variable Frequency Inverter GD350-090G-4
GD350 is a brand new high-performance inverter. It is highly extensible and flexible with PG card, PLC card, communication card and IO card, meeting the demands of various industries. It's oriented for medium and high-end OEM equipment markets, mainly covering the applications of printing and packaging, winding.
The application of INVT inverter in air compressor has the following characteristics and advantages
1. Supports SVC and VC(Closed loop) control for both asynchronous and synchronous motors.
2. Enables high precision of speed, position, torque control and fast speed response.
3. Supports optional PLC cards with CODESYS programming function.
4. Supports optional Field bus communication cards, including Profibus-DP, CANopen, and Ethernet, etc.
5. Supports optional PG cards for encoders like incremental and rotary transformer.
6. Accepts plug-in of three expansion cards simultaneously (only two cards below 7.5kW(10HP) ).
7. Integrates safety function-STO(Safe Torque OFF, SIL2)
8. Unique I/F control and online transition with other control modes, very suitable for the situation where the asynchronous motor has low speed with high torque and the speed accuracy is not high.
9. Provides intuitive LCD keyboard with maximum 16 lines text display as well as graphical display, Wizard Mode to set parameters while powered on.
10. Supports optional Bluetooth card and WiFi card to realize wireless communication.
Specific application cases and effects of INVT inverters on air compressors:
The application of INVT inverters on air compressors can effectively reduce power consumption and improve equipment operation efficiency. Through variable frequency speed regulation operation, the air compressor can automatically adjust the motor speed under different loads to ensure stable air supply pressure, reduce power waste, and reduce the impact of starting current on the power grid, reduce mechanical losses, and extend the service life of the equipment. In addition, INVT inverters also have a smooth start-stop function, which further reduces the mechanical impact during start-up and stop, and improves the smooth operation of the equipment.
1.Packing Details: Plywood crate pallet plus foam board and bubble film, Full closed wooden case. 1pcs/each package (for stationary screw air compressor)
2.Shipping method: by sea, by LCL/FCL or as requested
3.Delivery method: FOB, CFR, CIF and EXW etc.
4.Delivery time: in 7-15 days after receiving deposit (customized machines not included)
Shanghai Rocky Machinery Co., Ltd. was established in 2003 and has 18 years of experience in the air compressor industry. It is an innovative enterprise integrating production, trade, service, research and development.
We are professional gas compressors manufacturer since 2003, Germany standard, more than 100 workers, annual sales exceeding 20 million US dollars with 13 years of exporting experience, strict quality control and delivery on time. We not only supply gas compressor including screw air compressor, but also supply spares parts and after-treat machines.
Our main products series as follows.
2. Dry Oil-free Screw air compressor
3. Oil-free water lubricated screw air compressor
4. Oil-free scroll air compressor
5. Oil-free/Oil-lubricated piston compressor
6. Mobile Screw air compressor( Motor driven/ Diesel engine driven)
7. Oxygen/Nitrogen generators/boosters
8. High Pressure Breathing Air Compressor
9. Refrigerant air dryer/ Desiccant air dryer
10. Precision line filter/ water separator
Rocky will continue to promote technological innovation and progress in line with the mission of "innovation reflects value", and achieve win-win results with global partners, suppliers and employees. Create a new world of "energy saving, envir-onmental protection and intelligence" in the field of air compressors.
Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of Taicang,Jiangsu,China. More than 18 years of experience in air compressor manufacturing.
Q2. How long is the delivery time ?
A: For standard voltage ,15 working days. Non-standard ,please contact our sales.
Q3. What's payment term ?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
Q4. How about your after-sales service ?
A: 1.Provide customers with installation and commissioning online instructions.
2. Well-trained engineers available to overseas service.
3.Worldwide agents and after service avaiable.arrange our engineers to help you training and installation.
Q5. How about your warranty?
A: One year for the whole machine and two years for screw air end, except consumable spare parts.
Q6. Do you have any certificate ?
A: Yes, per different customer's market need ,we can offer CE ,ISO etc certificate.
Q7. What about the maintenance ?
A: First maintenance need to be done after 500Hours, and then every 2000-3000 hours to do the normal maintenance, and consider the actual environment.
Q8. How do you control quality ?
A: 1. The raw materials are strictly inspected
2. Some key parts are imported from overseas
3. Each compressor must pass at least 5 hours of continuous testing before leaving the factory.
Q9. Do you offer OEM service ?
A: Yes.Both OEM & ODM service can be accepted.
Q10.How long could your air compressor be used?
A: Generally, more than 10 years.
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