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TÂN LONG
Specialized Insulated Cold Room Doors

T-Light Hinged Insulated Door

Tan Long T-Light insulated hinged doors provide the premier envelope closure for cool rooms, food preservation facilities, pharmaceutical cleanrooms, and food processing anterooms. Featuring a high-pressure molded 75mm - 100mm PU core, hairline SUS304 stainless steel cladding, and self-rising stainless steel cam hinges that elevate the leaf upon opening to prevent bottom gasket abrasion and extend service life.

T-Light Hinged Insulated Door: T-Light hinged doors are optimized for chill rooms and processing areas. Stainless steel hinges feature a self-lifting mechanism to protect the bottom rubber gasket, paired with heavy-duty safety latches equipped with an internal emergency release push button.
Cold storage doors represent the most vulnerable point of thermal infiltration if gaskets fail or seals deform. Tan Long T-Light hinged doors feature heavy-duty composite hardware, perimeter heating elements, and double EPDM hermetic seals. Tan Long T-Light Hinged Cold Room Doors are manufactured on precision automated lines, equipped with 4-sided resilient EPDM compression gaskets and an ergonomic safety release latch with luminescent internal glow-in-the-dark push rod complying with international OSHA workplace safety directives.
Cửa Bản Lề Kho Lạnh T-Light: Kín Khí Tuyệt Đối, Bản Lề Tự Nâng Chống Xệ Cánh
Tan Long SUS304 T-Light Hinged Cold Room Door assembled at Duc Hoa 1 Industrial Park

Tan Long Factory Standard Technical Specifications Matrix

Standard Clear Opening (W x H) 800x1,800mm, 900x1,900mm, 1,000x2,000mm, 1,200x2,200mm (or customized to structural wall rough openings)
Door Leaf Thickness 75mm (chilled storage 0°C to +10°C), 100mm (freezer -18°C to -25°C)
Insulation Core Material High-density Polyurethane (PU) 40 - 42 kg/m³ high-pressure injected
Exterior Facing Skin Hairline SUS304 Stainless Steel 0.6mm or Antimicrobial Pre-painted Colorbond Steel
Heavy-Duty Structural Hinges Heavy-duty SUS304 stainless steel rising cam hinges with auto-lift mechanism
Door Lock & Handle Assembly SUS304 keyed external latch with internal glow-in-the-dark safety emergency push release
Perimeter Sealing Gaskets 4-lip anti-aging EPDM tubular compression gaskets with permanent elasticity
Frame Perimeter Heating Concealed silicone thermal heater cable preventing ice build-up (for freezers)
Get 2026 Equipment Quotation Download Technical Catalog (PDF)

1. Proprietary Self-Rising Cam Hinge Mechanism

Upon opening, the T-Light cam hinge automatically lifts the door leaf approximately 10mm above the floor plane, providing two critical operational advantages:

• The bottom wiper gasket is lifted clear of floor friction, virtually eliminating abrasive seal wear.

• Gravitational slope bias encourages self-closing action when released, preventing accidental door leave-open incidents.

2. International Safety Release Internal Emergency Latch

Human life safety is always Tan Long's foremost engineering priority:

• External keyed cylinder lock preventing unauthorized access and theft.

• Internal luminescent green glow-in-the-dark push rod. Even if padlocked or deadbolted externally, trapped personnel simply push firmly against the luminescent rod to disengage the latch immediately.

3. Perimeter Defrost Heating Eliminating Thermal Bridges

In sub-zero cold rooms, the contact interface between leaf and frame is highly prone to condensation and ice freeze-up, gluing the door shut. Tan Long integrates recessed channels for 220V silicone heating cables along all 4 frame edges, maintaining a completely dry, ice-free perimeter.

Competitive Advantages & Market Comparison Matrix

Technical comparison between genuine Tan Long refrigeration equipment manufactured at Duc Hoa 1 Industrial Park versus substandard market alternatives:

Tan Long Equipment Advantages

  • ✓ Directly fabricated at Tan Long Duc Hoa 1 Industrial Park factory, guaranteeing 100% precision dimensional compliance
  • ✓ SUS304 cam-lift hinges automatically elevate leaf upon opening to prevent floor drag, tripling gasket durability
  • ✓ Luminescent internal safety release rod operable from inside even when deadlocked externally
  • ✓ Anodized aluminum or thermal break composite subframe eliminating sweating around door perimeter

Drawbacks of Manual / Used Imported Systems

  • ✗ Local workshops frequently use electroplated cast iron hinges that sag after several months of use
  • ✗ Substandard rubber gaskets quickly become brittle and crack, leaking cold air and frosting outer frames
  • ✗ Lacks internal safety release, creating grave life-safety risks of hypothermia and entrapment
  • ✗ Handmade doors frequently warp, failing to maintain flush perimeter seal alignment

Frequently Asked Questions (FAQs) by Engineers & Investors

Q1: Can T-Light hinged doors be used for -25°C deep freeze storage?

Absolutely. For -25°C freezers, Tan Long specifies 100mm leaf thickness with 42 kg/m³ high-density PU core and integrates 4-sided frame defrost heater wires to ensure gaskets remain resilient and completely ice-free.

Q2: What is the manufacturing and delivery turnaround for T-Light cold room doors?

For standard sizes, Tan Long maintains factory stock for same-day dispatch. For custom rough openings tailored to client facilities, fabrication turnaround is merely 3 to 5 business days.

THERMAL ENVELOPE INSULATION & FIRE SAFETY INTEGRATION

FM Global & QCVN 06:2022 compliant PIR/Rockwool insulation panels and airtight cold room doors:

TECHNICAL EXPERT VERIFICATION

Updated: September 2026 • Standards: TCVN 6739 & QCVN 06:2022
Eng. Nguyen Van Long - EPC Technical Director
EXPERT AUTHOR

Eng. Nguyen Van Long

EPC Technical Director & Head of Refrigeration Solutions, Tan Long

20+ years EPC experience in industrial cold storage systems, IQF quick freezers, and automated ASRS facilities. Thermal Engineering alumnus from HCMC University of Technology, VISRAE Executive Board member.

M.Sc. Tran Dinh Hung - Pressure Safety Lead, Tan Long
TECHNICAL VERIFICATION

M.Sc. Tran Dinh Hung

Pressure Vessel Safety Verification & Energy Auditing Lead

15+ years leading NH3 piping pressure safety proofing, COP energy audits, and fire protection certification for PIR/PU panel enclosures under QCVN 06:2022/BXD.