One and a half leaf steel door
Asymmetrical double-leaf design: A flexible entry system for various access needs. The auxiliary door opens only when needed.
Excellent sealing: EPDM perimeter seals provide an airtight barrier, reducing the risk of contamination.
Durability and hygiene: The seamless surface is corrosion-resistant, easy to clean and suitable for disinfection procedures.
Customizable Options: Viewing windows, locks, different core materials and intelligent access control are available.
Fire and Sound Insulation: Internal rock wool or magnesium cores provide improved thermal and sound insulation.
Product overview
Our steel single and half-leaf doors are specifically designed for cleanrooms and controlled areas that require increased airtightness, durability and hygiene. The asymmetrical door design allows easy passage of personnel or equipment with minimal disruption to airflow, making it ideal for pharmaceutical, hospital, laboratory and electronic manufacturing applications.
Product design
Main leaf: Standard door leaf for everyday use
Additional flap: Narrow side flap, opens when necessary to increase the passage space
Options for filling the door leaf:
Paper honeycomb filling
Mineral wool (fire resistant)
Magnesium oxysulfide filler
Surface Material: Galvanized Steel / Stainless Steel (304/316L optional)
Finish: High temperature electrostatic powder coating (custom RAL colours available)
Hinges: Concealed stainless steel hinges or heavy-duty surface mounted hinges
Sealing: Highly elastic EPDM rubber seal around the perimeter
Glass Window(Optional): Double Layer Tempered Cleanroom Glass with Seamless Frame
Locking system: Mechanical lock with handle or electronic access system
Door closer: Optional hydraulic closer or automatic return system
Specifications
| Options | Meaning |
| Sash type | Main sash + Auxiliary (unequal double sashes) |
| Steel thickness | 0.8 mm – 1.2 mm (custom selection possible) |
| Door filling options | Honeycomb filler / Mineral wool / Magnesium oxysulfide |
| Surface finishing | Powder coating / Brushed stainless steel / Painted surface |
| Standard sizes | 1200mm×2100mm / Custom sizes available |
| Fire resistance (optional) | Up to fire resistance class B1 |
| Door opening angle | Up to 180° |
| Soundproofing | ≥ 30 dB |
| Application | Cleanroom / Laboratory / Hospital / Electronic Manufacturing |
Key Features and Benefits
Asymmetrical double-leaf design: A flexible entry system for various access needs. The auxiliary door opens only when needed.
Excellent sealing: EPDM perimeter seals provide an airtight barrier, reducing the risk of contamination.
Durability and hygiene: The seamless surface is corrosion-resistant, easy to clean and suitable for disinfection procedures.
Customizable Options: Viewing windows, locks, different core materials and intelligent access control are available.
Fire and Sound Insulation: Internal rock wool or magnesium cores provide improved thermal and sound insulation.
Applications
Pharmaceutical clean rooms
Hospitals and operating rooms
Laboratories and research centers
Biotechnology and chemical enterprises
Precision electronics workshops
Food and beverage production
Contact us today for technical drawings, pricing, and product samples! We offer OEM and ODM services and support custom projects worldwide.
