Fiber Cement Composite Steel Plate for Pipes

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Fiber Cement Composite Steel Plate for Pipes

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Product Introduction

When using fiber cement composite steel plate for pipes, the pressure requirements of the pipes must be taken into consideration. Therefore, we generally require a flexural strength of 15 MPa or higher. The composite fiber-cement layer and galvanized steel plate can achieve a tensile strength of over 30 MPa. During use, fire protection, structural stability, sealing, and compatibility with pipe requirements are achieved through meticulous attention to detail. Core requirements vary significantly across different pipe applications. When selecting fiber cement composite steel plate for pipes, we must first consider the intended application. These applications primarily focus on fireproofing iron ducts, sealing cable trays through floor slabs, protecting high-temperature chemical pipes, and self-supporting fire-resistant ducts.

The fire protection and sealing performance of fiber cement composite steel plate for pipes depends on the synergy between the plate and auxiliary materials. Misselecting the auxiliary materials can lead to performance failure. During construction, it is crucial not to prioritize the plate over the auxiliary materials. Sealant: For fire protection, choose intumescent fireproof sealant; avoid using standard silicone sealant. For moisture protection, choose neutral silicone waterproof sealant; avoid using acrylic sealant.

Fasteners:

For high-humidity and chemical environments, use stainless steel self-tapping screws; avoid using galvanized screws. For vibration environments, use anti-loosening screws to prevent screws from loosening due to long-term vibration.

Keel:

For self-supporting ducts, use hot-dip galvanized steel keels with spacing ≤ 600mm. Large-diameter ducts are covered and supported with C-shaped steel to enhance sag resistance.

Fiber cement composite steel plate for pipes are often irregularly shaped, making installation more challenging than on walls or ceilings. Careful design and construction are required to ensure a tight fit between the plate and the pipe, eliminating looseness and gaps.

When installing fiber cement composite steel plate for pipes, we first adapt the plate to the pipe shape and then customize the product. For irregular-shaped pipes: Measure the pipe diameter and curvature in advance and customize pre-bent sheet materials. Add reinforcement ribs to the curved areas to ensure the sheet materials fit snugly and prevent hollowing.

For air ducts with flanges and valves:

When cutting the sheet materials, allow for flanges and valves, leaving the openings 5mm larger than the flanges and valves. At the joints between the flanges and the sheet materials, apply fire-retardant tape and then fire-retardant sealant to ensure a seamless gap.

For pipes passing through floor slabs:

Determine the size of the sealing sheet materials based on the pipe diameter plus 200mm. Leave a 10mm gap between the sheet materials and the floor wall, fill with fire-retardant rock wool, and then apply fire-retardant sealant to create a double seal.

During the entire construction process of fiber cement composite steel plate for pipes, every critical detail must be carefully considered. This meticulous attention to detail lays the foundation for success.

Maintenance and upkeep of fiber cement composite steel plate for pipes must be timely, standardized, and thorough:

Sealant failure:

Completely remove the old sealant and reapply it, ensuring the sealant depth is at least the thickness of the original sealant. Scrape the surface evenly.

Local damage:

Fill cracks with fire-retardant putty, apply fire-retardant tape, and then apply fire-retardant sealant.

Severe damage:

If the fiber cement composite steel plate for pipes are found to be cracked or loose, they must be replaced.

Rusted screws:

Remove the rusted screws and replace them with stainless steel screws of the same specification.