Ductwork Expansion Joint Material

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.

Ductwork expansion joint material.

Designed to your specifications and application requirements holz manufactures high quality flue duct expansion joints for industrial ductwork systems. Each box of metal duct contains five 5 ft. Movements for a given face to face width are less than other materials. Designs and supplies fabric or non metallic expansion joints for a wide variety of applications.

Fluoroelastomer fkm is a high performance elastomer flexible element material for fabric expansion joints and are usually reinforced with fiberglass. 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. 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.

Fully molded duct expansion joint. As the ducting moves the gsm will deform without tearing or leaking while being exposed to high tempera tures and corrosive media. The fabric expansion joints can also be designed to bridge between round and rectangular ducts. Engineered with a leed qualifying zero voc gasket this ductwork can eliminate the need for additional sealing along the longitudinal seams and transverse joint.

Rated for 400f thru 1200f. 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. Sections for a total of 25 ft. Basic forms of expansion joints.

Flue duct expansion joint flextech engineering inc. Ducting expansion joints will help solve problems such as. Ducting and low pressure expansion joints are lightweight flexible connectors designed for gaseous media made out of natural or synthetic elastomers with combinations of rubber and fabric reinforcement especially for scrubbers precipitators baghouses and fans in air handling systems. Pressures typically less than 5 psig and high temperatures to 1500 f 1 0 sizes to 16 0 sizes round or rectangular any length anything shippable handling clean or dirty air streams gas streams or flue gas streams.

Fabric expansion joints need to be designed with many factors considered in order to ensure a long life. It has three main components a fabric gas seal membrane gsm insulation and metallic frames.