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Proco Style 520

The Proco Style 520 Ducting Flexible Connector is an economical, integrally flanged design, used primarily for the reduction of fan vibration. The fan/duct connector features a U-shaped design configuration, with a minimum of one to two plies of reinforced fabric that has been vulcanized into a homogeneous product. The finished thickness can be selected from 3/16”, 1/4”, or 3/8”. The Style 520 is manufactured with continuous corners; no splices are made in the corner areas.

For more information about the features and benefits of the Proco Style 520 Ducting Flexible Connector, download our brochure.

For up-to-date pricing and availability information, contact PROCO today.

BUTTON_DATASHEET3-rectangular BUTTON_DATASHEET3-round

Style 520 Ducting Flexible Connector
 6″ Face to Face9″ Face to Face 12″ Face to Face
 Axial Compression (Inches) Axial Extension (Inches)Lateral Offset (Inches) Axial Compression (Inches)Axial Extension (Inches)Lateral Offset (Inches) Axial Compression (Inches)Axial Extension (Inches)Lateral Offset (Inches)
 .75 .25 .50 1.25.25 .752.0.501.0

Lateral offsets shown above are based on movements prior to axial compression. Greater lateral offset may be obtained if the fan/duct connector encounters simultaneous compression . Axial extension may be increased by pre-compression of the fan/duct connector during installation. Any pre-compression of the fan/duct connector will equally reduce the rated axial compression movement.