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product features：
1. Long service life. The damping device for controlling the closing speed adopts annular fluid friction, so it has small volume, light weight and long service life. 2. Light door opening force, 3 Door closing speed is stable, 4 Both left and right



table of technical parameters：
equipment model NSC-C60V
Open and close time 7-11sec
Manual Door Opening Force Below 15.0N
Service life Opening and closing more than 1 million times
Tension spring model PS-04
product installation or operation instructions： 14