Screw air end. Replacement / repair

Company Compressor International makes the refurbishment of screw air ends of any complexity. Our specialists, trained at the partner factories, produce both planned (upon reaching a resource of 30,000–40,000 hours, depending on the manufacturer’s recommendations), and emergency repairs as soon as possible.

Repair repair of the screw block includes:

- diagnostics and troubleshooting of the screw air end;
- if necessary, the restoration of the profile, the shank of the drive and driven shafts or replacement with new ones;
- if necessary, the restoration of housing covers or replacement with new ones;
- replacement of the repair kit of the screw air end (which includes all bearings, oil seal, seals and shims);
- restoration of factory gaps;
- assembly and painting.

The overhaul of screw air ends is carried out at Compressors International’s own repair base using professional equipment and special tools in compliance with the manufacturer’s technology.

Company Compressors International "provides a guarantee on all types of work during the overhaul of screw air ends.

The screw block — is the «heart» of any screw compressor. Its wear or accidental breakdown instantly stops production and increases compressed air costs. We offer a full cycle of scheduled, preventive, major and emergency repairs of Gardner Denver / Tamrotor / Tamrock screw units using factory technology and using original repair kits (OEM).

Why do people trust us

• Finnish but also Ukrainian know-how. We have been working according to the standards of the GD Oy (Tampere) plant since 2008.
• Warranty up to 12 months or 8 000 motor hours for the repaired unit.
• Spare parts warehouse in Ukraine. 90 % of items – available, which reduces downtime to a minimum.
• In-house diagnostics. Vibration analysis, thermography, rotor geometry check - before dismantling.
• 24/7 service and departure within 12 hours. in any area.

Groups of units we repair

1. Screw compressor units
2. Blower compression units
3. Vacuum pump units
4. Special and OEM units from other manufacturers

Within each group, we work with brands such as Gardner Denver, CompAir, Elmo Rietschle, Atlas Copco, etc.

Gardner Denver models we service

Can't find your model? Contact us — probably, the required unit is in the list of «special solutions».

Stages of screw unit overhaul

1. Diagnostics and troubleshooting of the rotor, bearings, housing.
2. Dismantling, cleaning, sandblasting and micropolishing of working surfaces.
3. Press-passage and control selection of original bearing sets.
4. Adjustment of linear and radial clearances according to GD Oy technical data sheets.
5. Testing on the stand – 2 h. under operating pressure with vibration and thermal control protocol.
6. Anti-corrosion coating and preservation for transportation.

Additional services

• Modernization of units for energy-efficient variable speed drives (VSD)
• Rotor balancing (ISO 1940-1, class G 1.0)
• Rebuild of gearbox and restoration of seats
• Audit of compressed-air-system and selection of the optimal compressor

Customer Service Center: 

0800 33 33 30

E-mail: service@compressors.ua