Steel Body Fireproof Auto Door Closer [OB 03 Series]

OB 03 Series Door Closer

•       UL Listed. 2 Million Cycles in Endurance Are Guaranteed. 5 Years.

•       Universal Application. Designed For All Standard Installation.

•       Power Size Range: 1-6 in Various Closer Body.

•      Two Separate Valves For Close & Latch Speed Adjustment.

•      Optional Back Check Function.

•      High Quality Hydraulic Fluid, Low Freezing point, Door Closer Operates Smoothly From Temperature of -40°C to 40°C

Features:

•       Parallel Arm Bracket no included in Standard Packing, It will be provided upon request.

•      American style, steel body, heavy duty long life time.

•       Main arm and side arm are designed for the heavy door. With hold open and non-hold open function.

•       Four valves control with delay and back check function.

•       Power size adjustable from 1-6.

•       ITS(ETL)PT l certificate. 2million cycles' life span.

Classification & Glossary

•      OB03BC

•      OB03DA

GMB Door Closer applicable for

Width of door: not more than 1600 mm

Weight of door: under 200 kg

Opening angle: most extension 180 °

Style of door: security door, firedoor, house door, etc

Every model could be installed by these four ways. Accessories are needed for the Parallel Arm Installation and Slide Arm Installation.

Advanced function of GMB door closer:

•      Two speed valves: Closing speed valve 180°- 15° , latching speed valve 15°-0°

•      Build-in hold function:st75°

•      Dual valve. Closing and latching speed controlled by two separate regulating valves.

•      Back check function: Provide you with a temporary stop function between 65°to 180° to help prevent damage to door and or wall in case of the door opens with exercise force.

Delay Action: Delay time easily adjusted in less than l minute between l 80°-65°for the handicapped and elderly.

Barrier Free: With lighter powered spring to provide acceptable door control and lower opening resistance for handicapped and elderly.

Remark:

1. All types hove dual valves for separate closing & latch speed.

2. Standard color: Silver(AL).Bronze(Duro).Gold. Other color upon request.

3. AII types con be applied for parallel arm installation exception built-in hold open type.

4. More products for your choose out of catalogue, and we offer OEM project for new product.

Each door closer with installation instructions & template for your reference.

5. AII the products maybe change, the company reserves right to enter changes and regrettes not to issue prior notification.