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Product Description

Product characteristics 
This product takes advantages of high flexibility and high air impermeability and medium resistance of rubber as well as compliance and heat resistance of glass— Fabric and is prepared at both ends with metal spool and flange in connection with wind machine and air duct, which can compensate the thermal expansion by the operation of air duct and multidirections displacement. For better compliance of rubber and fabric and good sound absorption and vibration isolation, the noise and vibration passage can be reduced effectively in the operation of boiler, wind machine and air current. Because the main materials are rubber or fabric and fiber heat preservation materials of light weight without thrust in reverse and in no need of pipe supporting seat, a lot of materials are used so it has good heat resistance and corrosion resistance. In addition, rubber has better air impermeability absolutely without leakage and with lower price than metal compensator and import products. 

Installation Direction of Air Duct Rubber (Fabric) Compensator 
Thanks for your application for our products, please read it before the installation: 
In order to make air duct compensator achieve available effect in pipe and all mechanical performance play their right role and extend its use life, please make installation according to the requirements as follows: 
1. Air duct compensator should be installed in pipe in natural conditions and the product distortion by contrived factors should be made in installation, so the products will avoid from early damage and weaker application effect. 
2. When air duct compensator is installed to connect with flange, screw of bolt should stretch to the outside of flange to prevent the rubber (fabric) ball from being scraped by whorl tip. The bolt on the face of each flange should be screwed down equably by thread and it is required that all the degree of tightness should be as consistent as possible. In bad conditions, spring gasket can be added except flat gasket to avoid nuts from loosing.