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.