HH-A Ventilated Flexible Air Duct HH-B (Enhanced )
Product description
The flexible hose is made of high-strength steel wires wrapped with aluminum foil composite membrane. It is applicable to medium or low pressure of central air-conditioning and ventilation systems. When it is confronted with high temperature and fire, it can't produce toxic gases.
The technical parameters
1. Maximum range (diameter): 52-610mm;
2. Temperature: -30º C ~ +140º C;
3. Maximum air velocity: 30m/s;
4. Maximum working pressure: 2500PA;
5. Bend radius: 0.54 x D.
Guangzhou Hehong Construction Materials Co., Ltd. Was established in Y2006, which is an innovative enterprise integrating with R & D, production, sales and service.
We focus on manufacturing products of Air-Conditioning and Ventilation system.
Our products are including Aluminum Foil Ventilation Duct, Insulation Duct, PVC Duct, Flexible Duct Connector, and accessories such as HVAC Insulation Pin/Hanger, Self Sticking Insulation Pin/Hanger, Duct Clamp, Aluminum Foil Tape, Fireproof Fabric, Thermal Insulation Pipe Support, 9501 Flame Retardant Tape, Asbestos Free Gasket, etc.
We keep expanding our business. Our products are not only used in main projects in China, but also export to Europe, America, Southeast Asia, Middle East and Australia, etc.
We have got ISO9001: 2008 Quality Management System Certificate of Approval in April 2013. Our products have passed Class A Non-combustible Type Approval Test by the National Fire Product Testing Center, and some product quality safety approvals such as CE, SGS, etc.
