| Attribute | Value |
|---|---|
| Product Name | Dorma Ma-200 Air Hydraulics For Doors |
| Brand | Dorma |
| Model | Ma-200 Mola |
| Description | Hidraulica Aerea / Air Hydraulics |
| Use | Para Portas / For Doors |
| Manufacturer | Sistemas de Controles Para Portas Ltda. / Control Systems for Portas Ltda. |
| Country of Origin | Brasil / Brazil |
| Weight | 1.540 kg |
What is the DORMA MA-200 Mola Air Hydraulics Spring with Stop Arm?
DORMA MA-200 Mola Air Hydraulics Spring with Stop Arm is a high-duty and high-performance air hydraulic door closer system, particularly applicable to areas where controlled movement of doors and high durability are required. The device is the combination of mechanical spring force and air hydraulic dampening, which allows for smooth and quiet operation of doors in busy or vibration-sensitive areas like ships, industrial buildings, or heavy-use commercial buildings.
Addition of a stop arm mechanism ensures user safety by eliminating the opening of doors beyond a predetermined angle and reducing the risk of damage or accidents.
Key Features
Hydraulic Dampening System
Facilitates slow, smooth, and silent door closure without slamming.
Integrated Mechanical Spring
Supplies the force to close the door securely after use.
Stop Arm Functionality
Serves as a built-in limiter to prevent the door from over-extending at a pre-set angle, providing safety and preventing over-extension.
Compact & Robust Construction
Designed using high-quality materials to ensure longevity, resistance to corrosion, and functionality in harsh environments.
Adjustable Options
Users are able to adjust speed and door closure force to meet specific operating requirements.
Marine and Industrial Compatibility
Suitable for maritime installations and harsh industrial applications, such as engine rooms, safety compartments, and industrial entrance points.
Uses
The DORMA MA-200 finds extensive application in many industries where there is controlled movement of doors. Some of the prime applications are:
Marine Doors and Hatches
Best applied to vessel compartments, where continuous movement and pressure changes call for stable closing systems.
Industrial Workshops and Warehouses
Avoids slamming or leaving heavy doors open, ensuring safety and temperature regulation.
Commercial Buildings
Installed in emergency exits and main entrances for controlled door performance.
Public Transport Facilities
Effective in airports and train stations, where pedestrian traffic and safety are top priorities.
Safety-Critical Areas
Ideal for spaces that need emergency shut-off, ventilated control, or limited access.
Why the DORMA MA-200?
Selecting the DORMA MA-200 Mola Air Hydraulic Spring with Stop Arm is an investment in safety, control, and durability. In contrast to conventional door closers, the MA-200 provides:
- Quiet hydraulic action for quiet operation
- Fail-safe spring system that guarantees consistent closure
- Integrated stop arm for added control of safety
- Demonstrated performance under harsh marine and industrial conditions
- Compatibility with doors of different sizes and weights
Supported by DORMA’s engineering expertise, this piece is not only effective but also cost-effective in the long term because it has minimal maintenance requirements and strong performance.






