Product Announcements: Metal Bellows

Cenflex custom designs exhaust bellows expansion joints and flexible metal hoses to provide you with exhaust systems and catalytic converters capable of inhibiting hydrocarbon emissions. Send us your specs and let's get started. (read more)

The Senior Aerospace metal bellows firewall feedthrough uses a welded metal bellows to provide a hermetic dynamic seal allowing for a zero leakage penetration through an engine firewall. The all metal construction is suitable for extreme operating temperatures (800+°F Operating, 2000°F Fire Test). The bellows allows for long stroke (read more)

Technetics Group brings over 50 years of experience to designing, testing and manufacturing bellows for critical applications. (read more)

Custom and standard hydroformed metal bellows and assemblies. We offer over 60 years experience in the design of single and multiply bellows in various materials and sizes from 3/8 inch diameter and larger. (read more)

American BOA flexible metal products provide reliable solutions wherever thermal expansion and vibration in piping systems and equipment are a concern. BOA expansion joints are used in a wide variety of applications to compensate for thermal pipe expansion or contraction & to absorb equipment vibration/pipe motions. (read more)

Senior Aerospace Metal Bellows provides an entire line of standard, off-the-shelf (OTS) bellows products for those applications where the engineer or designer can take advantage of standard sizes and materials. Sizes range from .375" OD to 18.00" OD and are available with a variety of standard end configurations. (read more)

For more than 30 years, GERWAH has specialized in trail-blazing couplings for driving technology and conveying engineering.

Customers from all around the globe rely on the precision of our components:

GERWAH Backlash-free Metal Bellows Couplings

GERWAH Backlash-free Servo-Insert Couplings

GERWAH's Backlash-free line shafts (read more)

American BOA's unique multi-ply bellows design proves to be exceptionally effective in absorbing thermal expansion & vibration in engine and compressor piping systems. Advantages include Flexibility, Lower Thrust Forces and Longer Cycle Life (read more)

American BOA has developed forming techniques that eliminate manually welded longitudinal seams on oval bellows. The tubes are machine-welded prior to forming, utilizing the latest welding techniques and equipment. Oval shaped bellows are typically manufactured by utilizing round bellows that are cut in half and welded to straight bellows profiles which form the side-rails. (read more)

Advanced engineering and design capabilities allow MS Bellows to manufacture edge welded bellows for a variety of critical reliability applications. (read more)