Features
ㆍ Aluminum Alloy Body
ㆍ Standard, separate and independent, latch and sweep intensity valve
ㆍ Non-handed
ㆍ Different working power by each model
ㆍ Rack-and-pinion design
ㆍ All standard arm applications allow doors to swing 180 degrees, conditions permitting.
Optional Features
ㆍ Built in hold-open function.
ㆍ Tri-packed
Colors Available
ㆍ AL : Aluminum
ㆍ BZ : Hardware Bronze (Gold)
ㆍ DU : Storefront Bronze
Selection Chart
| MODEL | CLOSER CONTROLS | HOLD OPEN | REMARKS | ||
| Latching | Sweep | STANDARD | PARALLEL | ||
| 70 | ● | ● | - | - | |
| 170 (STAND) | ● | ● | ● | - | Built-in hold open type |
| 170P (PARALLEL) | ● | ● | - | ● | |
Normal Power Range Closers
| Standard Installation | Parallel installation | W x H of Door(mm) | Weight of Door(kg) | ||
| Non Hold-Open | Hold-Open | Non Hold-Open | Hold-Open | ||
| 71 | 171 | 71P | 171P | 800 x 1800 | 10-30 |
| 72 | 172 | 72P | 172P | 900 x 2100 | 25-45 |
STANDARD FEATURES
ㆍAluminum Alloy Body
Closer bodies are constructed of special aluminum alloy, carefully selected to accommodate interactive steel component and operation conditions.
ㆍRack & Pinion Operation
Provides a smooth constant control of the door through its full opening and closing cycle. 180º.door swing can be achieved when door, frame, hardware and arm function do not interfere
ㆍNon-handed
With few exceptions all NK5051 Series door closers are non-handed and can be installed on either right or left hand swing doors. Pinion shaft extends vertically through the closer body in both directions.
ㆍSweep Speed Control Valve
Allows adjustment of door speed from the door’s full open position down to approximately 10˚ from the closed position.
ㆍLatch Speed Control Valve
Allows adjustment of door speed from approximately 10˚ down to the door's fully closed position.
