Non-Metallica Expansion Joints Ideal For Pollution Control Systems Where Temperature Does Not Exceed 400°F

The Series 400 Non-Metallic Expansion Joints, manufactured by PAPCO Industries, Inc., are ideal for applications where system temperature does not exceed 400°F. The Series 400 may be constructed of two plies of FKM fluoroelastomer and one or two plies of reinforcing material (corrosion resistant wire mesh, fiberglass cloth, or other). The two plies of fluoroelastomer and one ply of reinforcing material are calendared and vulcanized to form a rugged unit that is impervious to flue gases and has excellent resistance to acids. Fluoroelastomer is highly flexible with movement allowable in all directions. Series 400 joints have excellent resistance to temperature up to 400°F and are durable enough not to require internal baffles for protection against fly ash abrasion. All joints are available in flanged (U-shaped) designs, which feature the standard PAPCO continuous molded corner. The Series 400 is available in two styles. Type 400 SL is a single layer joint.

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