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Feature

High quality die cast aluminum alloy body, three layers of bright paint protection, prevent oxidation.
Two independent hydraulic valves control two doors, the speed of locking for the whole hydraulic control.
High carbon steel gear shaft, rack, the high frequency quenching and tempering treatment, the deformation is small, the movement is flexible.
Maximum gate width 930-1100mm, suitable for door weight 60kg-85kg. No. 4 Force.
Suitable for fire doors, apartment, hotel, wooden door, office, steel door, security door etc.

Description

Features:
High quality die cast aluminum alloy body, three layers of bright paint protection, prevent oxidation.
Two independent hydraulic valves control two doors, the speed of locking for the whole hydraulic control.
High carbon steel gear shaft, rack, the high frequency quenching and tempering treatment, the deformation is small, the movement is flexible.
Maximum gate width 930-1100mm, suitable for door weight 60kg-85kg. No. 4 Force.
Suitable for fire doors, apartment, hotel, wooden door, office, steel door, security door etc.
Adjustable speed closed segment 15 degrees to 180 degrees.
Adjustable strength locking segment 0 to 15 degrees.
Spray arm, prevent corrosion, precision oil seal to prevent loopholes.

Specifications:
Model: M-3704
Material: Aluminum alloy
Shape: Square
Hole Distance: 207x19mm/8.1"x0.75"
Suitable for door weight: 60kg-85kg/132lb-187kg
Closing Speed: 15 degrees to 180 degrees Adjustable
Locking Speed: 0 to 15 degrees Adjustable
Maximum gate width: 930-1100mm/36.61in-43.31in
Size: See Picture
Weight: 1.7kg
Without positioning (no hold open)

Package Includes:
1 x Door Closer