DHH LDM series variable frequency oil-less screw compressors are lower noise, coupling high efficiency, reliable quality.
Shanghai DHH screw compressor features:
1. perfect performance
2. microcomputer controller
3. dhh screw compressor OEM acceptablee
Welcome to visit our factory!
LMH series Low Pressure Screw Air Compressor
 
Feature of Low Pressure Screw Air Compressor:
In order to reduce your cost of manufacturing and satisfy your inductry needs, we specially developed the
0.3Mpa/0.4Mpa/0.5Mpa low pressure screew air compressor, if your equipment only needs the air flow blow
3bar/4bar/5bar, our screw air compressors are your best choice.
Based on the first generation low pressure air compressors, here our new technoloy to add vsd inverter
and use magnet electric motor, can saving much more energy, frequency start can do better to protect
the air compressors.1.A represents air-cooling type;
2.Working Environment temperature: 2ºC~45ºC;
3.Startup Mode: frenquency start 
4.Work Power: 380V / 50HZ/3P 4 wire type.
5.F.A.D volume flow test is according to ASMC PTC9 or ISO1217 standard (GB/T3853)



Low-pressure permanent magnet variable frequency air compressor parameters: 
Certificate


Project case


Client feedback




About us

Packing and shipping 

Packing Details:Plywood crate pallet plus foam board and bubble film, full closed wooden case.
1pcs/each package(for stationary screw air compressor)
Shipping method:by sea, by LCL/FCL OR as requested
Delivery method:FOB,CFR, CIF and EXW ect.
Delivery time:in 7~15days after receiving deposit(customized machines not included)




Why choose us

Our service

FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of screw air compressor of Qidong(Close to Shanghai), China, more than 24 years.

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.