Single or Double Flap NSHEV
l Reducing wind pressure resistance and increase natural lighting.
l Eliminating snow and water on surface, with better waterproof performance.
l The outer cover is powder coated with beautiful appearance.
l Structural waterproofing of frame profiles and integrated base.
l It can realize remote monitoring.
l K value: from 1.8 to 2.7 W m2/°K
l Reliability: Re 1000 cycles (smoke exhaust) or Re 10000 cycles (daily ventilation)
l Open within 60s
l Snow load: 500Pa
l Resistance to heat: 300℃ 30mins
l Low ambient temperature: －25℃
l Structural waterproofing design