SH-721A self-closing


Heavy duty pneumatic brass hinge

  • Patented in many countries
  • For door weighting: up to 88 to 132lbs (40 to 60kg) per pair
  • For double action door with maximum width 36 inches (915mm)
  • Self-closing around 70 degrees (other alternative is optional) and longer durability with 300,000 cycles tested (3 to 5% spring force loss)
  • With full back plate for wall mounting
  • For glass thickness: 5/16 to 1/2-inch (8 to 12mm)
  • Maximum pulling force 2.2lbs (1.0kg), good for handicap.
  • With consistent closing force and speed and precisely centering on 0 degrees closing position even after 300,000 cycles
  • Angle adjustment to line up with fix panel or to close position after glass door installed if necessary.


Dimension (unit : mm)

Cut out (unit : mm)

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