57 SERIES

Shipboard door closer

for strong and waterright closing of heavy steel doors

 


PRODUCT FEATURE
Exclusively designed for shipboard use, the NHN 57M Series offers that extra measure of efficiency and watertight security.
The 57M Series standard model affords about 1.4 times the closing power of the 55 Series standard model, while the 57M Series heavy-duty model.
With main body of alumite and arm and link of 18-8 stainless steel, excellent corrosin resistance and years of dependable service are assured.
The NHN 57M Door Closer is the perfect model for shipboard use wherever heavy steel doors require smooth, strong and watertight closing.

SELECTION CHART

Installation

Door

Regular and top jamb installation

Parallel installation

Dimensions

W x H (mm)

Weight

(kg)

Standard model

DC-57MS

DC-57MS-P

1,000 X 2,000

100-250

Heavy-duty model

DC-57MC

DC-57MC-P

1,000 X 2,000

100-250

The No.57M Series Door Closer is reversible for use with either left or right hand doors. The closing power of the No.57M Series standard model. That of the heavy-duty model is 2 times. The door closer can be used in ambient temperatures of between -30 degrees and +50 degree.