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Product detail

NO.80 Series

カテゴリー:Door Closer

Overhead Door Closer

The NHN 80 seriese offer a comprehensive rage of hydraulic, power adjustable door closer to suit all applications.
Adjustable spring size 2-7 : 83V for sizes 2-4, 85V for sizes 4-6 a heavy duty 87V for sizes 6-7.
Slimline body, Easy installtion and adjustment.
Successfully awarded EN1154,EN1634-1 and CE certifications.
Backcheck and delayed fucntion are available.

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

A free replacement ex-works if any closer proved defective by reason either of faulty manufacture or defect in materials.

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