Senior Aerospace Calorstat is specialized in the design, manufacturing and qualification of customized systems based on high precision metal bellows since 1928. Our factory is located in Dourdan, close to Paris.

Our metal bellows are formed by:

  • Hydroforming
  • Edge welded
  • Expansion

The main applications are:

  • Dynamic flexible joints
  • Capsules
  • Volume compensation 

Which ensure optimum performances & high reliability in aerospace, nuclear and many other demanding industries.

Our systems are based on high precision metal bellows made of stainless steel, nickel alloys, titanium or copper alloys and welded on mechanical parts.

Senior Aerospace Calorstat’s products are used in harsh environments as aircraft high pressure bleed air ducting, nuclear regulation valves, cryogenic & ultra-vacuum equipments for space & military applications, and oil rigs instruments.

Senior Aerospace Calorstat is ISO 9001, AS/EN 9100, ISO 14001, NADCAP certified.

Senior Aerospace Calorstat is part of Senior plc, an engineering group of 6000 people, with 30 operations in 19 countries for Aerospace and Industrial markets.

Calorstat metal bellows 
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