In modern data centers that process millions of transactions per second and handle petabytes of data streams, the most vulnerable link is often not the server chips, but the dozens of wall penetrations in the underground entry room (MDF/ER) – where power cables, fiber optic cables, cooling water pipes, and fire protection pipes enter the core equipment room. Once the seals fail, rainwater ingress, rodent and insect infestation, fire spread, and electromagnetic interference can instantly compromise the “high availability” promise, causing millions of dollars in losses.

This is why TST SEAL high-performance pipe seals have become an indispensable “physical security cornerstone” for  data centers.

1. 1. Four “Fatal Risks” in Underground Entry Rooms

Statistics show that 17% of unplanned data center downtime is due to sealing issues in the incoming line room.

1. 1. TST SEAL’s “Four-fold Protection System” for High-Performance Sealing Components

1. IP68 Dynamic Watertightness: Unaffected by Heavy Rain

Utilizes peelable EPDM or silicone modules + 316L stainless steel frame; Uniform pressure is applied via bolts, ensuring tight rubber coverage of cables/pipes; Actual performance: No leakage for 72 hours under 0.5MPa water pressure (50-meter head), far exceeding the requirements of GB 50174 for Class A data centers.

2. Class A Fireproof + Compatible with Gas Extinguishing Mechanisms

The ceramicized silicone sealing module forms a dense ceramic layer during a fire:

Fire resistance rating ≥120 minutes (compliant with GB/T 9978, EN 1366-3); Volume expansion of 10–15% at high temperatures, automatically filling gaps; Air tightness ≤0.1 L/(min·m²) @ 500Pa, ensuring effective pressure holding of clean gas extinguishing agents such as FM200/Novec 1230 for more than 10 minutes.

3. Protection Against Biological Infestation: Preventing “Rat Trails” from Becoming “Wire-Blocked Passages”

The sealing module surface is smooth and non-porous, preventing rats from gnawing; Optional stainless steel armored slots or built-in wire mesh physically block rodents from entering; The material contains no nutrients and does not attract termites.

4. Supports High Density and Future Expansion

A single module can seal multiple mixed cables (power + fiber optic + control lines) ranging from Φ10–150mm; The strippable design supports future line additions without wall breaches or power outages; Module thickness ≤40mm, suitable for narrow utility tunnel spaces.

1. 1. Typical Application Scenarios and Cases of TST SEAL Sealing Modules

Real-world case study: A large European data center previously used fire-resistant sealant to seal its cable entry holes. A sudden rainstorm caused water ingress, tripping the UPS and resulting in losses exceeding €2 million. During a renovation in 2024, they fully adopted the TST SEAL modular sealing system, sealing 86 mixed cables at once and achieving TÜV dual certification for airtightness and fire resistance. The operations team reported: “Now, even with a once-in-a-century rainstorm, we can sleep soundly.”

1. 1. Key Considerations for Data Center Sealing Module Selection (Based on International Standards)

Fire Resistance Certification: Must pass EN 1366-3 (Europe) or UL 1479 (North America) Class A testing;

Airtightness Requirements: Meets NFPA 2001 sealing standards for clean gas fire suppression systems;

Environmental Compliance: RoHS, REACH, low-smoke halogen-free (IEC 60754);

Material Lifespan: Design life ≥ 25 years, maintenance-free;

BIM Support: Provides a Revit family library for easy digital construction.

1. 1. Future Trends: Intelligent + Green + Integrated

Intelligent Sealing Monitoring: Embedded pressure/humidity sensors provide real-time feedback on sealing status to the DCIM system;

Carbon Neutral Materials: Bio-based EPDM and recycled stainless steel frames reduce hidden carbon emissions;

Prefabricated Installation: Factory-pre-installed sealing modules allow for “plug-and-play” on-site, shortening construction time by 30%.

In the digital world, 0s and 1s build everything; but in the physical world, a well-sealed through-wall opening is the prerequisite for the existence of 0s and 1s.

The seals in the underground access room of a data center, though not shining between server racks, are the “silent guardians” protecting the global digital economy. When AI models operate day and night, when your video conferences run smoothly, remember—behind all this, a small piece of rubber is firmly blocking the door to risk.

As the saying goes: Computing power is boundless, security is bounded; the boundary lies in the opening, and the protection lies in the seal.