Medium Heavy Duty Hydraulic Door Closer Size 5 / 6 / 1 - 6 Parallel Arm Mounted

• Dorrenhaus - 7 years supplier to top worldwide brands
• ANSI A156.4 standard Grade 1, life cycles of 2 mils+
• Skilled Craft: smooth operation, oil tight, noiseless

Ω American style medium heavy duty hydraulic closer for commercial doors
Ω Dual regulating valves adjusting closing and latching speed separately
Ω Adjustable spring size 1 - 6, fixed closing force size 5 and size 6
Ω Suitable for all standard mounting methods including parallel arm mounting
Ω Hydraulic structure, needle bearing, twice heat treated rack and pinion
Ω Conform to UL 10C standard, up to 3 hours fire rating test
Ω Precised cast aluminum body and forged steel arm, hold open optional
Ω Standard adjustable backcheck available
Ω Durable closer lubricating oil for any climate running and constant lubrication.

► 7 years cooperative supplier of international first-rate security trade mark


Closer Color - Aluminum, Bronze, Brown, White, Gold, Black
* SOFT, NO NEED TO CLOSE BY HAND: the door will closer by itself, enjoy self-driven closing
and latching, maintain quiet and security.
* SPRING FORWARD, EASY BACK: the commercial-grade arm won’t interfere with opening,
meanwhile shut doors gradually to allow for graceful entry and exit
* FITS WHERE YOU NEED IT: Surface mounted design and full set of screw, allow you to install
at different occasion, and is completely controlled.
* SIZE ADJUSTABLE AS PER YOUR REQUIREMENT: final user will make their decision, will
get 6 levels of closing power to suit any level of traffic

* RELIABLE CERTIFIABLY : ANSI 156.4 - Grade 1 is the highest standard that can be

achieved by door closer. This model is actually super passed 2 million+ cycles testing.