Concealed Overhead Door Closer

Detail Information

Product Description

Light Duty Size 3 Concealed Automatic Door Closer Auto Hold Open Optional

● Dorrenhaus - Focusing on manufacturing door closers

● Consummate Craft: even running, no oil leakage, noiseless

● Conform to UL 228 standard, tested life cycles 150,000+

Dorrenhaus D30S concealed door closer, hydraulic type, basically designed for room door of the hotel, restaurant, or similar public area. Auto hold function is optional, which can be mounted or removed from track rail easily.

1. Material: precise cast aluminum body with anodized aluminum track arm

2. High-quality hydraulic fluid for high lubricity and constant lubrication

3. Structure: Hydraulic type, needle bearing, dual heat treatment pinion, and rack

4. Light Duty Size 3 Concealed Automatic Door Closer Auto Hold Open Optional

6. Good for light duty working frequency, for example, hotel room doors, etc.

7. Out-shape: Concealed style, Elegant Appearance,

8. Whole process controlled from door opening force to door latching speed

9. Automatically sweep & latching speed adjusted by double adjusting screw

► Trusted cooperative partner of international top security trademark

Finishes - Silver, Bronze, White, Gold, Black, Brown

* SOFT, NO NEED TO CLOSE BY HAND: the door will closer by itself, enjoy self-acting closing and locking, keep quiet and safety

* SPRING FORWARD, EASY CLOSING: commercial-level swing arm won’t interfere with opening, while closing doors slowly enough to allow graceful entrance and exit

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