5 engineered cold room door models — sliding, hinged, deep-freeze with heated track and gastight controlled-atmosphere — built in-house and tested from −30°C cold storage to +50°C desert conditions. We help you select panel thickness by temperature duty, then ship full technical drawings for your local team.
Every model is manufactured in-house, validated under our 100,000-Cycle Durability Guarantee and shipped with English installation manuals and wiring diagrams.
Insulated hinged or sliding door with 100/150/200mm PU panel for chilled and frozen rooms.
Explore → High-TrafficLateral sliding insulated door for wide openings with high forklift and pallet traffic.
Explore → StandardSwing-type insulated door for walk-in coolers, freezers and food prep rooms.
Explore → Deep FreezeElectrically heated frame and track for sub-zero rooms below −25°C to prevent ice lock.
Explore → Gastight CA/ULOGastight insulated door for CA/ULO fruit storage with pressure relief and CO² management.
Explore →Panel thickness, temperature rating and sealing are selected by room duty. RAX confirms the exact rating for your room per project.
| Parameter | Range Across 5 Models | Selection Driver |
|---|---|---|
| Panel Thickness | 100 / 150 / 200 mm PU foam | Room temperature band |
| Temperature Duty | Chilled 0 to +5°C, frozen −18 to −25°C, deep-freeze below | Storage type |
| Cycle Life | 100,000 cycles validated | Traffic frequency |
| Heated Options | Heated frame, track, bottom edge | Sub-zero anti-freeze |
| Panel Skins | Galvanized steel / Stainless 304/316 | Hygiene requirement |
| Operating Range | −30°C to +50°C validated | Climate / room |
Buffer rooms, anterooms and corridor openings in cold-chain logistics hubs.
Hygienic doors between production, chill and freeze zones in food plants.
Validated insulated doors for GMP cold storage and vaccine distribution.
Tight sealing for 0–5°C chilled produce rooms and CA/ULO storage.
Thicker panels and heated-edge options for −18 to −25°C rooms.
Deep-freeze doors rated for rapid temperature pull-down cycles.
Consistent foam density and low thermal conductivity from our own panel production line.
Every model fatigue-tested in-house before release. Test video ships with your order.
Built to your opening in any RAL colour. From prototype to container-load delivery.
Certified QMS across the 11,000 m² production base.
Industrial door product standard for CE marking.
Operator safety for power-operated doors.
Third-party material reports and Product Liability Insurance.
Chilled rooms (0–5°C) typically use 100mm, frozen rooms (−18 to −25°C) use 150mm, and deep-freeze or blast rooms use 200mm. RAX confirms on your technical layout.
We are a pure manufacturer. Every order ships with English installation manuals and wiring diagrams so your local team can install confidently.
For sub-zero rooms we offer heated frame/track and heated bottom edge to keep seals flexible and guides ice-free.
Yes. Full RAL colour matching with batch-consistent production. Common choices: RAL9006, RAL9010, RAL7016.
Samples 7–15 days, standard container 12–20 days, custom first order 20–35 days. FOB Tianjin/Qingdao.
Send your opening size, room temperature and traffic frequency. Our engineers reply with a model recommendation and lead time.
