Also specified as: Hermetic Door, Airtight Sliding Door
An automatic sliding door with compression sealing that achieves a true air-tight closure — the standard for operating theatres, ICU and high-grade cleanrooms where pressure integrity is critical.
A standard sliding door leaves a gap. A hermetic sliding door closes that gap: the leaf translates inward on a cam or eccentric track at the end of travel, compressing a perimeter gasket against the frame to form an air-tight seal.
The RAX Hermetic Sliding Door combines a servo-driven automatic operator with a compression-seal mechanism. As the leaf reaches the closed position, the track geometry pulls it 8–12 mm into the frame, compressing a continuous silicone gasket on all four sides. The result is a measurable air-leakage rate low enough to hold positive or negative room pressure in operating theatres, isolation rooms and ISO Class 5–7 cleanrooms.
Activation is hands-free: radar, push-button, access control or BMS signal. Safety is ensured by light curtains and anti-pinch edges. The flush, ledge-free leaf face supports rapid decontamination between cases.
Cleanroom class references (ISO 14644-1) and hospital pressure requirements are industry-standard designations; they are not certificates held by RAX. RAX company facts are from the approved brand brief.
Every door is engineered to your opening. The values below are the validated baseline; final figures are confirmed on your specification.
| Parameter | Specification | Basis |
|---|---|---|
| Door Type | Single / bi-parting hermetic sliding with compression seal. | RAX configuration |
| Sealing Mechanism | Cam / eccentric track pulls leaf 8–12 mm into frame on close. | RAX design |
| Gasket | Continuous silicone perimeter gasket, 4-side compression. | RAX design |
| Air Leakage | Designed for ≤ 2.0 m³/h·m² at 50 Pa differential. | Industry-typical |
| Leaf Material | Galvanized steel powder-coated, or stainless 304 / 316. | Per project |
| Operator | Servo / VFD automatic drive; adjustable speed 0.1–0.6 m/s. | RAX design |
| Activation | Radar, push-button, access control, BMS dry contact. | Per project |
| Safety | Light curtain, anti-pinch safety edge, emergency manual release. | RAX design |
| Standard Opening | 1200–1800 × 2100 mm clear; custom on request. | Industry-typical |
| Cycle Life | 100,000 cycles validated in the RAX fatigue test lab. | RAX-measured |
Air-leakage performance depends on frame installation tolerance and wall flatness. Confirm target pressure differential and test standard on the technical layout; we provide the door-set to meet the specified class.
Validated substrates, processed in-house on an auto PU foam panel line and CNC punching/bending centre.
Match the door to the opening duty — keep each card to one line.
Your installers get the full document set before the door ships.
Certificates we hold today, and the project-specific test data we arrange against the matching standard.
Hermetic performance is validated on-site after installation; RAX provides the door-set and compression-test documentation to support your IQ/OQ qualification.
Large industrial doors from prototype to container-load delivery.
Configure leaf material, compression depth, operator speed, activation method and safety devices per room. Full OEM/ODM under NDA.
From custom engineering to container-load delivery — the document set your local installers need.
Door body 2-year warranty; operator/motor 3 years (servo 5 years). Free spare parts within warranty, dispatched DHL/FedEx 5–7 days.
At the end of closing travel, the overhead track’s cam geometry pulls the leaf 8–12 mm inward, compressing a continuous silicone gasket against the frame on all four sides. This mechanical compression creates an air-tight barrier that holds room pressure differential.
The compression seal is designed for typical cleanroom and theatre differentials of 10–50 Pa. The achieved leakage rate depends on installation tolerance and wall flatness; we confirm the target on your technical layout and provide compression-test documentation.
Yes. The 4-side compression seal works equally under positive or negative pressure. For infectious disease isolation, pair with access-control interlock and BMS monitoring to maintain containment integrity.
Standard safety includes an infrared light curtain across the opening and an anti-pinch safety edge on the leading leaf. Emergency manual release allows the leaf to be pushed open during power failure. All safety devices comply with EN 12453 force limits.
Sample 7–15 days; standard container 12–20 days; custom first order 20–35 days, repeat orders 15–20 days. FOB Tianjin or Qingdao, FCL and LCL supported.
The servo motor carries a 5-year warranty; other operator components 3 years; door body 2 years. Free spare parts within warranty are dispatched by DHL/FedEx within 5–7 days.
Send your opening size, pressure requirement and activation preference — we reply with a proposal and lead time.
