Dorma BTS-84 Floor spring, for 120kg door weight

الوصف

• Applicable to maximum door weight **0kg, maximum door width 1,**0mm ;
• Maximum opening angle is **6° ;
• With *0° auto-location function, and location angle is adjustable ;
• Two-section closing speed adjustable, from *0°**5° and *5°*0° ;  
• Constant temperature set assures steady speed of closing under big difference in temperature;
• Inset-reductor prevent door from damage in case of extreme exterior pressure or strong wind;
• Main material:cylinder body made of high quality cast iron;
• Dimension:**8***8**2mm ;
• EN ***4 European standard test passed;
• **0,**0 times’ operating test passed;
• Three years product quality guarantee;