QDC311 Standard Duty Closer (Fully Adjustable - 1-6) Dual Function (BC/DA)

K2 extra heavy duty, heavy duty and standard door closers are fully adjustable (1-6) out of the box – so either closer will meet all your building requirements. And K2 closers have back check and delayed action built into the same closer – which means you don’t have to settle for half a solution. All closers also feature standard tri-packed arms to enable regular, top jamb and parallel arm mountings, and all closers meet or exceed ANSI Grade 1 standards.

QDC300 Series door closer information

Application

The heavy duty QDC300 series door closers are designed for multi-family, tenant, improvement uses such as apartment complexes, retail/storefront, small office buildings and hotels/motels where a stylish, yet durable product is required

Performance Features

• Tested to significantly exceed the performance requirements for Grade 1 certification.
• Fully adjustable from 1-6 allowing for maximum flexibility.
• Delayed Action and Backcheck are standard in the same door closer body.
• All weather oil insures optimal operational performance in multiple climate conditions.
• Sized for interior doors to 4'6"; exterior doors to 4'0".

Cover Options:

F – Full Cover

N – No Cover

R – Full-Sized Rounded Plastic Cover

S – Slim-Line Cover

All Options are not available on all models.

Certifications

• ANSI/BHMA A156.4 Series Grade 1
• ANSI A117.1 Accessibility Code
• UL/cUL listed(3-hours) for self-closing doors without hold-open
• UL10C Positive Pressure Rated
• UL10B Pressure Rated

Product Specifications

• Handing – All QDC300 series door closers are non-handed.
• Material – Cast aluminum.
• Cover – Full, architectural plastic cover aption available.
• Arms & Brackets – Tri-pack standard (Regular, Top, Jamb, Parallel configurations). Hold Open and Dead Stop arms also available.
• Arm Material – Heat treated carbon steel.
• Springs – High impact hand drawn steel wires.
• Pinions – Heat treated chrome molybdenum steel.
• Cylinder construction – Heat treated free-cutting carbon steel.
• Fasteners – Wood and machine screws standard. Sex nuts and bolts optional.
• Door Weights Size Applicable Door Weight
  1 33 ~ 55 LBS (15 ~ 30 Kg)
  2 56 ~ 99 LBS (30 ~ 45 Kg)
  3 99 ~ 143 LBS (45 ~ 55 Kg)
  4 143 ~ 187 LBS (65 ~ 85 Kg)
  5 187 ~ 264 LBS (85 ~ 120 Kg)
  6 264 ~ 330 LBS (120 ~ 150 Kg)

Warranty

Lifetime mechanical, 3 year finish* & 1 year electronics

Function

11 - Non-Hold Open Arm (Standard Tri-Pack)
12 - Hold Open Arm

Finishes

689 - Aluminum ; US Code US28
690 - Statuary Bronze ; US Code N/A