Welcome to shanghai meiman Door Industrial Co., Ltd.




		Sliding door
		Section door
		Industry Sectional Door
		High Speed Door
			SMG-300 Inner passage door-economic type
			SMG-500 Inner/outer passage door
			SMG-1000 Inner/outer passage door- enhanced type
			SMG-1500 Inner/outer passage door
			SMB-2000 Gallows folding outer passage door-enhanced type
			SMG-2500 Inner passage door-low noise type
			SMG-3000 Inner passage door-low noise type
			Radar and safe air chamber
			Door curtain
			Control and safety system
		Supper large door
		Fireproof steel Door
		Fireproof steel shutter
		Logistics System
		Commercial Door
		PVC Transparent Curtain
		Stainless Steel Folding Door
		Heavy-Duty Folding Door

SMG-3500 Inner/outer passage door

SMG-3500
Inner/outer passage door
Door body dimensions:4000 x 4500(H)mm
Speed: open/close（M/S）2.0/1.0
Door curtain thickness(mm):2.0
Transparent window: ellipse/square
Guide rail: 2.0mm thickness, cold plate manufactured by Bao Steel
Control system: standard frequency conversion control system
Protection system: standard optical grating protection system

SMG-3500 door curtain adopts the extension balance system, which improves the running speed of door body and strengthens the whole wind pressure resistance performance.

Protection system

Optical grating
The performance of protection and safety is improved, and the planar protection reduces the probability of generating accidents and increases the reliability of door

Air chamber
Contact type protection, give the signal after receiving pressure, which makes the rebound rise in order to guarantee the safety of personnel / goods / vehicle

Torsional spring
The patent of balance torsional spring can improve the service life of driving and guarantee the high-speed startup