- Contact Person : Ms. Chan Stephanie
- Company Name : Guangzhou Sea Link Industrial Co., Ltd.
- Tel : 86-20-34331397
- Fax : 86-20-34331189
- Address : Guangdong,Guangzhou,Unit D, E, 13/f, Bldg. 8, Sino Square, 211 Changgang Rd., Guangzhou City, Guangdong Province. China
- Country/Region : China
- Zip : 510250
SL205A series torsional spring
SL205A series torsional spring
high quality concealed overhead door closer, floor hinge, floor springitem no.: SL205Asize (mm): 292*94*39door size (mm): 1200*2300door weight: 150kg
open-close time: 500,000 times
iron body with full zinc-alloy accessories
1. All products have been tested strickly in accordance with safety standard.2. Filled with antifreezing hydraulic oil, ensuring smooth operation in different temperature.3. Door opening angle up to 130 degrees.4. 90 degrees hold-open or non hold-open optional.5. Adjustable valves for 130 to 25 degrees sweep speed and 25 to 0 degree latch speed.6. Suitable for single or double action doors with complete fittings.7. Adjustable pivot for simple installation and accurate adjustment.
SL205A series torsional spring