NSD-20

• 
• ADJUSTABLE SOFT-DOWN STAY
• NSD-20

For top-opening flap doors.
Can also be used with concealed, piano, or butt hinges.
Opening angle adjustable from 70Àö to 105Àö.
Designed to hold the flap in a fully opened position.
Successfully passed 50,000 open/close cycles in a private test.
Closing speed adjustable.
Torque Calculation :
-Torque = Door Height x 1/2 x Door Weight.
-Per Piece : 20 - 70 kgf·cm
-Per Pair : 40 - 140 kgf·cm