Oil & Gas/Petrochemical

Metal Bellows &
Bellows Assemblies

Unleashing Flexibility, Ensuring Reliability

Precision Metal Bellows & Bellows Assemblies

Our customers have demanding expectations for bellows & bellows assemblies, driven by their applications and the environment in which they operate.

For almost a century, Alloy Precision Technologies has delivered bellows engineered for extreme reliability and longevity in the most challenging of scenarios. Our design and proprietary manufacturing processes produce bellows customized for configuration and function, materials compatible with the harsh environment, high duty and cycle life, and precise performance control.

From Gas Lift Bellows in oil & gas extraction and Combustion & Fuel Assemblies in gas turbines to Aircraft Valve Aneroid Assemblies in flight applications, our products deliver unparalleled performance & durability.

Our Bellows Solutions

We specialize in metal bellows for high-duty applications, manufactured in a wide range of sizes and configurations:

Outer diameters from 0.200″ and 6″
Wall thickness from 0.005″ to 0.030″
Closed end bellows
Single, two, & multi-ply (3+)
Hydroforming process to ensure dimensional accuracy & structural integrity

As a precision bellows and assemblies supplier, we craft components tailored for durability, precision, and lifecycle performance.

Bellows Assemblies with Value-Added Services

Beyond manufacturing bellows, we deliver complete bellows assemblies including:

Custom design matched to application
Precision machining of components and interfacing parts
TIG, laser, brazing and dissimilar metal welding (ASME Section IX certified, NADCAP accredited)
One-stop solution from raw material through assembly

Materials, Testing & Validation

Our materials expertise and rigorous testing set us apart. We build with stainless steel, titanium, Inconel®, Hastelloy®, Monel®, and other high-performance alloys.

Materials

– Stainless Steel
– Inconel
– Monel
– Hastelloy
– Titanium
– Yellow Metals

Performance Testing

– Spring Rate Test

– Fatigue Cycle Test

– Altitude Testing

Testing & Validation

– X-Ray Film & Computer Radiography
– Fluorescent Penetrant Inspection (FPI)
– Nitrogen Bubble Test
– Helium Bomb Test
– Helium Leak Test
– Optical Laser Technology