JNF Concealed Hydraulic Door Closer

This JNF Concealed Hydraulic Overhead Door Closer is a high-performance architectural solution designed for seamless integration into single-action doors. Engineered for those who prioritize a minimalist aesthetic without sacrificing functionality, this unit remains hidden within the door leaf and frame, providing a clean, modern look for premium interior environments.

Key Features

• Discreet Concealed Design: Fits internally within the door and frame to maintain the architectural integrity and “clean lines” of the entrance.

• Precision Hydraulic Control: Utilizes a high-quality rack and pinion mechanism to ensure smooth, consistent, and reliable door operation.

• Dual-Valve Adjustment: Features independent valves to precisely calibrate both the closing speed and the latching speed, allowing for a customized closing transition.

• Versatile Functionality: Equipped with a sliding arm and a removable hold-open system, offering flexibility for high-traffic areas where doors need to remain open periodically.

• Durable Lightweight Construction: Manufactured from high-grade aluminum, providing excellent strength-to-weight ratio and long-term corrosion resistance.

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Specifications

Attribute	Detail
Model	ML.21.800
Brand	JNF
Hardware Type	Concealed Hydraulic Overhead Door Closer
Mechanism	Rack and Pinion / Sliding Arm
Power Size	3
Max Door Width	950 mm
Max Door Weight	65 kg
Opening Angle	120º
Material	Aluminium
Origin	Made in Portugal