SS Bellows

Key Features

High-grade SS 316L, 321, or Inconel/Hastelloy Multi-ply construction for high flexibility and pressure resistance. Hydroformed (U-shape) or edge-welded (diaphragm) design. Excellent fatigue resistance for high-cycle applications. Provides a leak-tight, all-metal seal. Customizable spring rates and end configurations.

Parameter	Specification
Material	SS 316L, 321, Inconel 625, Hastelloy C276
Design	Hydroformed (Annular) or Edge-Welded
Number of Plies	1 to 5 plies
Size Range	Primarily 1/2" to 24" diameter
Movement	Primarily Axial (compression/extension)
Pressure Rating	Full Vacuum to 50 Bar (design dependent)
Temperature Rating	-196°C to 850°C
Spring Rate	Custom-engineered per application

 

Applications

Bellows-sealed valves Vacuum interrupters nd feedthroughs Semiconductor manufacturing equipment Instrumentation and sensors (pressure accumulators) Flexible seals for engine components Aerospace fuel and pneumatic systems