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Moon Township PA 15108              412-262-9050               Fax 412-262-9055


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Expansion Joints 

for Industrial Piping and Duct

Metal BellowsFabric Expansion Joints

For more information on AIS's products and services see Line List or contact us at 412-262-9050. 

 
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Piping
Storage Tanks
Vessels
Ducts
Shop Tanks / Skids
Heat Exchangers

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Pipe hangers and Supports
Expansion Joints
Dampers
Air Heater Seals
Metal Expansion Joints (Bellows): Round metallic bellows for round piping and duct to 12 ft. OD. Single ply and highly flexible (low spring rate) multi-ply construction available.  Used in process piping, high-energy pressure piping, and duct. Short AOL (overall length) designs available.  American Boa, Inc. ISO 9002 Certified.          
Externally Pressurized Expansion Joints: For control of demanding thermal movements.    
Universal Bellows Expansion Joints: For control of demanding thermal movements, including travel distance and directions (axial, lateral, angular).                 
Fabric Expansion Joints: Round and rectangular fabric type expansion joints for piping and duct to 50 ft. OD/sq, to 1200 degrees F. Used in low pressure duct, piping, and exhaust stacks. AHS, Inc.   
 

   © 2007  Allegheny Industrial Sales, Inc.