Door Closer

Dorrenhaus door closer D503T is suitable for the commercial or residential security door. The closer has double separate valves, adjusting closing and latching speed, and is suitable for both the left and right-hand doors.

Detail Information

Product Description

Safety Control Metal Door Closer with Hold Open Arm Easy Open Top Jamb D503T

• Exquisite Workmanship: even running, oil-tight, noiseless
• Dorrenhaus - Focusing on manufacturing door closer
• Dual heat-treated needle bearing, rack, and pinion

Dorrenhaus aluminum door closer Model D503T is designed for internal residential and commercial application, including a full set of screws package for all standard installation, it is a light-medium duty closer which meet the requirements of UL 228 standard. Fixed spring strength size 3, suitable for max. door width 950mm or door weight 65kg.

Ω Light and medium duty metal door closer with hold-open rocker arm

Ω Precise cast aluminum closer body and forged steel DT-03 HO arm

Ω Adjustable latching & closing speed controlled by two regulating valves

Ω Rack and pinion type, with double high heat treatment, safety controlled

Ω DT-02, DT03, or DTWB hold open arm are for optional

Ω Easy opening angle: 90 degrees, max. open-angle: 120º

Ω No need to close manually, suitable for regular arm and top jamb mounting

Ω Fixed spring force #3, applicable for door width 950mm or weight 40-65kg

Ω Durable closer lubricating oil best for all-weather operation and lubrication

► 7 years cooperative supplier of universal top door closer enterprises

Painting - Aluminum, Gold, Bronze, Black, White, Brown

* GENTLE, HANDS-FREE CLOSING: let the door finish work, enjoy self-acting closing and locking, keep quiet and sureness

* SPRING FORWARD, EASY BACK: commercial-level hold open arm will not impact opening while closing doors slowly enough to allow graceful entrance and exit