Ductwork Expansion Joint Material

Each box of metal duct contains five 5 ft.

Ductwork expansion joint material.

Fluoroelastomer fkm is a high performance elastomer flexible element material for fabric expansion joints and are usually reinforced with fiberglass. Sections for a total of 25 ft. Fabric expansion joints need to be designed with many factors considered in order to ensure a long life. Designed to your specifications and application requirements holz manufactures high quality flue duct expansion joints for industrial ductwork systems.

Basic forms of expansion joints. Fully molded duct expansion joint. Designs and supplies fabric or non metallic expansion joints for a wide variety of applications. Flue duct expansion joint flextech engineering inc.

They have outstanding resistance to chemicals oils and heat compared with other elastomers. Composite flexible element material for fabric duct expansion joints are have a multi layered design with insulating layers reinforcing plies and vapor barriers with either fluoropolymer or elastomeric covers. Movements for a given face to face width are less than other materials. Rated for 400f thru 1200f.

It has three main components a fabric gas seal membrane gsm insulation and metallic frames. A ducting system can be extensive and depending on what materials are flowing through having the right flue duct expansion joint is necessary to prevent leakage lessen noise and vibrations maintain operation and safety stands and reduce the chance of failure. As the ducting moves the gsm will deform without tearing or leaking while being exposed to high tempera tures and corrosive media. Combination type expansion joint configuration whether the duct cross sections are round or rectan gular with rounded corners the fabric expansion joint can be designed accordingly.

Microflex s metal duct type expansion joints are designed for use in low pressure ducting systems where low spring rates and high flexibility are required. Ductwork or ducting bellows fabric bellows or metal bellows expansion joints. The fabric expansion joints can also be designed to bridge between round and rectangular ducts. A fabric expansion joint is inserted into the ductwork where the movement will occur.

Shop grainger for self sealing duct and fittings and all your hvac supplies. Engineered with a leed qualifying zero voc gasket this ductwork can eliminate the need for additional sealing along the longitudinal seams and transverse joint.