Product introductionProduct Description: Motorized Air Fire Proofing Damper (Normal Open) (FH-70)
Installed in the ventilation or air-conditioning systems, usually
it is open, once fire occurs, the gas temperature of duct arrives
at 70 degrees, and then the fuse protector will be fused and the
damper will close under the pull of spring. It can meet the
requirement of stability and completeness in a certain time. It can
insolate smog and fire outside. Application: Used in through-wall pipes of ventilation system, which need to be
fireproofing to prevent the spread of fire along the duct. Features: (1)Using galvanized steel as material to make sure good insulation
performance, fire & corrosion resistance. (2)Duration, long service life. (3)Easy installation. (4)The flange is bended directly by the frame. (5)The valve size and color can be customized according to customer's
requirements. Advantages: (1)Excellent quality control processes, all products have been
inspected strictly. (2)The quality of products has reached the standard of Code of
acceptance for construction quality of ventilation and air
conditioning works" (GB50243-2002) and "Fire dampers for building
venting and smoke-venting system" (GB15930 2007). (3)Complete accessories production and distribution make it easier to
install. Specification: Place of Origin: Chongqing, China (Mainland)Brand Name: Eran NO. | NAME | SPECIFICATION | 1 | Flange width | Valve side length (MM) | Width (MM) | A≤630 | 30 | 630 | 30 | 1500 | 30 | A>2500 | 30 | 2 | Material | Adopt high quality galvanized steel, riveting by non-rivet method | 3 | Valve thickness | 2.0MM high quality galvanized sheet | 4 | Blade shaft | 12 round steel | 5 | Shaft sleeve | Brass | 6 | Steel valve surface anticorrosive disposal disposal | Pickling, phosphating then spraying | 7 |
|