NHN Overhead Door Closer – Series 80V
The NHN Series 80V Overhead Door Closer is a high‑performance solution designed to ensure smooth, controlled, and reliable door operation in both residential and commercial environments. Engineered with precision Japanese technology, this door closer delivers exceptional durability, safety, and consistent performance over time.
Built for medium to heavy‑duty applications, the Series 80V features adjustable closing and latching speeds, allowing precise control to suit various door types and installation requirements. Its advanced hydraulic mechanism guarantees quiet, stable movement while minimizing wear and impact stress on the door and frame.
With a compact yet robust design, the 80V integrates seamlessly into modern architectural spaces while maintaining high functional efficiency. It is suitable for wooden, metal, and aluminum doors, making it a versatile choice for offices, hotels, hospitals, retail spaces, and residential buildings.
🔹 Available Models:
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Model 83V: Suitable for doors weighing 20 to 80 kg
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Model 85V: Suitable for doors weighing 60 to 120 kg
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Model 87V: Suitable for doors weighing 100 to 140 kg
🔹 Technical Features:
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Adjustable Closing Speed: Easily adjust the closing speed in the first and second stages, as well as the latching function.
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European Quality Standards: Compliant with EN 1154, tested for over 500,000 open/close cycles to ensure long-lasting performance.
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EC and Fire Safety Certification: Ideal for both internal and external doors in public and private buildings.
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Spring power Adjustment: Adjustable using an Allen screw, no advanced tools required.
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Flexible Installation: Easily change the mounting position to suit door type and opening direction.
🔹 Applications:
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Door Types: Suitable for wooden, metal, and framed glass doors.
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Places: Widely used in hotels, hospitals, schools, offices, and administrative buildings.
🔹Why Choose the Three-Stage Door Closer?
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Consistent Performance: Smooth and uniform closing every time.
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Durable Design: Built to withstand heavy usage over long periods.
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Guaranteed Safety: The final latching stage ensures complete closure even if the door does not automatically close.
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High Flexibility: Adjustable according to door weight and type.
🔹Get the Best Door Closing Experience
With the Three-Stage Overhead Door Closer, enjoy secure, smooth, and reliable door closing for every door in your building or office.
Contact us today for technical consultation or to request a quote and experience high-quality Japanese performance that keeps your doors safe.
Overview
Closing Force
Adjustable to EN1154 size 2-4 for 83V, size 3-6 for 85V and size 6-7 for 87V.
Economic
Low inventory costs and reduced stocking requirements thanks to its stream and non-handed design
Back Check
Provides a cushioning effect when the door is forcibly thrown open but does not serve as a substitute for a door stop.
Delayed Action
Provides prolonged closing time to assist passage of trolley’s, wheel chairs and elderly people etc…
Standard Finishes
Sliver, Dark Brown or Gold. Other finished on request available.
Guarantee
NHN 80V Series is backed up with a 10 years ‘No Quibble’ guarantee.
Adjustment
Latching angle adjustment
Installation “A”
Decreases the closing force by about 10% for the first 4° of opening and final 4° of closing.
Installation “B”
Increases the closing force by about 10% fir the first 4° opening and final 4° of closing.
Closing speed adjustment
Selection Chart
No.83V
| Power size (EN) | Door width (mm) | Door weight (kg) | Regular | Hold Open | Back Check | Delayed | Slide Arm | Parallel |
| 2 | ＞850 | ＞40 | 83V | 183V | 83V-BC | 83V-DA | 83V-GL | 83VP |
| 3 | ＞950 | ＞60 | 83V | 183V | 83V-BC | 83V-DA | 83V-GL | 83VP |
| 4 | ＞1100 | ＞80 | 83V | 183V | 83V-BC | – | – |
No.85V
| Power size (EN) | Door width (mm) | Door weight (kg) | Regular | Hold Open | Back Check | Delayed | Slide Arm | Parallel |
| 3 | ＞950 | ＞60 | – | – | – | – | 85V-GL | 85V-P |
| 4 | ＞1100 | ＞80 | 85V | 185V | 85V-BC | 85V-DA | 85V-GL | 85V-P |
| 5 | ＞1250 | ＞100 | 85V | 185V | 85V-BC | 85V-DA | 85V-GL | 85V-P |
| 6 | ＞1400 | ＞120 | 85V | 185V | 85V-BC | 86V-DA | – |
No.87V
| Power size (EN) | Door width (mm) | Door weight (kg) | Regular | Hold Open | Back Check | Delayed | Slide Arm | Parallel |
| 5 | ＞1250 | ＞100 | – | – | – | – | 87V-GL | 87VP |
| 6 | ＞1400 | ＞120 | 87V | 187V | 87V-BC | 87V-DA | 87V-GL | 87VP |
| 7 | ＞1600 | ＞140 | 87V | 187V | 87V-BC | 87V-DA | – | – |
Spring Power Adjustment
| Size (EN) | No. of turns | Direction | Max. opening angle | |
| 83V | 2 | 6 | － | 180° |
| 3 | 0 | ＊ | 180° | |
| 4 | 3 | ＋ | 180° | |
| 85V fixing position 1 | 3 | 0 | － | 180° |
| 4 | 1 | ＊ | 180° | |
| 85V fixing position 2 | 5 | 0 | ＋ | 180° |
| 6 | 4 | ＊ | 130° | |
| 87V | 6 | 5 | － | 130° |
| 7 | 0 | ＊ | 130° |
＊Pre-set at factory
