PET Service

Valve Repair

Tungs-Star Compression will refurbish and recondition your valves to original specification at a fraction of the cost of new valves. Our partner, Cook Compression manufactures all OEM valves and parts so that they are 100% interchangeable.

  • Savings in excess of 60% can be achieved
  • Quality-assured reconditioned valves are guaranteed "AS NEW"
  • Valve plate, coil springs and delivery valve studs are scrapped and are never re-used
  • If any major components need replacing, the customer is consulted before proceeding


Rod Rings

Our partner, Cook Compression is the leader in rod ring technology, with more products in more applications than any other sealing component provider.

  • Sealing rings are never reused, they are delivered brand new!
  • A complete selection of materials, from bronze to high-performance non-metallics, dramatically improves durability in the most demanding applications.
  • Packing cases can be re-machined and fully or partially reused


Piston & Rider Rings

Our partner, Cook Compression designs and manufactures precision-made piston ring seals and rider rings.
Ring geometry, features, dimensions and materials are custom-engineered to reduce loads and provide maximum service life.
Ring designs and materials are validated through our in-house engineering analyses, materials laboratory and test compressors.


Bushes & More ...

Wide range of bushes finished to the final quota or blanks.
Composite materials up to 3 layers.
Bimetallic bushes.

In situations where the equipment cannot be safely or cost-effectively restored to OEM or better condition, we offer a full line of quality Cook-manufactured parts.
All services and components are backed by complete warranties for materials and workmanship.

Atelier Francois | Mehrer | Neuman & Esser | Bellis & Morcom


Download brochure

News and articles

Overhaul of ABC HORIZON 1400

The regular maintenance was carried out in 2 consecutive years by the team of TUNGS-STAR on an ABC Horizon 1400 compressor at Plastipak Romania SRL in Urlati. The 40 bar PET compressor is powered by a 280 kW motor equipped with VSD. It has 3 stages with 4 horizontally opposed cylinders.

New industrial air equipment

New 15 kW MATTEI compressor was installed next to an old 7.5 kW Mattei compressor to assure the increased production of a local company.
TUNGS-STAR is responsable for providing solutions and maintenance for the industrial air system.

ABC Compressors

Staring with October 2019 Our Company officially become the partenr of ABC COMPRESSORS. Arizaga, Bastarrica y Cía, S.A. from Spain.

Since its foundation in 1943, ABC has provided the most reliable compressors for different applications. Its global orientation and the commitment for growth was shown from its early exports in the 50’s to its latest geographical expansion, having delivered compressors in more than 120 countries.