D500 Series - Concealed Closers

ADJUSTABLE SPRING POWER - OVERHEAD CONCEALED CLOSER - D500 SERIES - GRADE 1

• I.D.C. provides LEAK-FREE guaranteed performance under the most demanding conditions.
  1. Steel spring cap is now on top of closer body utilizing a new high performance O-Ring and epoxy sealed threads for double protection.
  2. New automotive type heavy duty spindle seal replacing old standard O-ring technology.
  3. All three adjustment valves now with two high performance O-rings for double protection.
  4. Steel end caps incorporating new high performance O-rings and also epoxy sealed threads for double protection.
  5. Adjustable back check after 80° to prevent the door from slamming open.
• Certified ANSI 156.4 Grade 1
• ADA closer with Adjustable Spring Power for a range of sizes from 5 lb. to 8.5 lb. LIGHT & MEDIUM . Spring Tension, fully adjustable after installation.
• Underwriters’ Laboratories Inc. Fire Endurance Tested, conforming to UL10C and UBC7.2 (1997) for Fire Safety.
• UL/C-UL Listed. UL 10B and UL 10C Compliant for positive pressure. Certified to conform to UBC 7-2 (1997, UL 228)
• Barrier Free Operation to comply with Federal Accessibility Standards (ADA): complying with ANSI A117.1 (4.13.11) available for center pivoted applications.
• Built-in positive back stop and hold-open positions available:
• 105° Back Stop with Hold-Open
• 105° Back Stop - no Hold-Open
• 90° Back Stop with Hold-Open
• 90° Back Stop - no Hold-Open
• Suitable for both Center Hung (Double or Single Acting) and Offset Doors.
• Three control valves: Closing speed, latching speed and back check, fully adjustable after installation.
• Fits in an aluminum header or transom bar as small as 1 3/4” x 4”.
• Stable hydraulic door check fluid for any climatic operation and constant lubrication.
• Optional 3/4” Spindle Available.

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