Check Regularly (Air Compressor Pressure regulating check valve)

In 2004, we won the Taiwan Excellent Award and certificated the ISO 9001. Our company makes efforts to enhance the professional knowledge about the compressors and the plans of our factory.

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Dolomann Industrial Filter - A Professional Manufacturer of Filters & Spare Part Air Compressors For Nearly 30 Years

Located in Taiwan, Dolomann Co. Ltd. is a filters and spare part air compressors supplier and manufacturer in Machinery Industry.

Dolomann has more than 20 years of professional knowledge and maintenance technology for air compressor. and all the products produced have resumes, and cooperate with 5G communication to import AR application and cooperation to ensure the quality and trust of the guaranteed products.

Dolomann Industrial Filter has been offering customers filters and spare parts air compressors since 2007, both with advanced technology and 30 years of experience, Dolomann Industrial Filter ensures each customer's demands are met.

Check Regularly (Air Compressor Pressure regulating check valve)

Inspection and replacement of air compressor pressure regulating check valve

Adjustment method of the air compressor pressure regulating check valve

The original set pressure valve of the pressure regulating is 0.45MPa . It needs to be adjusted when the pressure is deviated. Since the adjustment of pressure regulating needs to be carried out during the compress operation, please contact distributor or Dolomann to carry out this operation.

 Valve body replacement of pressure regulating check valve.

  1. Press the stop button.
  2. Cut off the main power supply.
  3. Close the stop valve on the exhaust side.
  4. Open the front plate and wait for the inside pressure gauge of oil separator down to 0MPa.
  5. Use the condensate drain valve to release the pressure between the regulating check valve and the stop valve.
  6. Loosen the hexagonal part of the valve body of the pressure regulating check valve with a wrench. At this time , take out the whole valve body without loosen the screw nut.
  7. Spring washer, pressure regulating spring, pressure regulating valve piston, one-way spring and one –way valve piston are still left on the filter element connector, please take out the necessary part and replace them.
  8. If there is dirt inside the filter element joint, please clean it.
  9. Apply grease to the O-ring of the pressure regulating valve piston, lightly apply lubricating oil(NEW OIL NEXT) to the sliding part and O-ring of the check valve piston, and then reinstall it.

  Inspection and replacement of air compressor pressure regulating check valve

Important Tips

When replacing, if the valve body of the pressure regulating check valve is not easy to loosen, please wait until the temperature of the valve body drops to normal temperature.