• Centering arm with adjustment screws in faces of door (critical for double acting doors)
• Interchangeable spindle adapters
• Separate and independent valves for closing speed, latch speed and backcheck
• Available non-hold open (NBC) or automatic hold open (ABC) specify 90°, 105°
• Door may only swing 130° in either direction
• Auxiliary stop required
• Standard top pivot #340 included