Fire-fighting plastic coated steel pipes are carbon steel pipes coated with epoxy or polyethylene layers (200–500 μm) for superior corrosion resistance and durability. Designed for pressures up to 2.5 MPa, they are widely used in fire sprinkler systems, hydrant networks, and building water supply lines.
Product Parameters
|
Wall Thickness Range (WT) |
2.0 mm – 12.0 mm |
|
Length |
6 m or 12 m (customized lengths available) |
|
Color Options |
Standard red for fire-fighting use, other colors available upon request |
|
Working Pressure |
≤ 2.5 MPa (depending on diameter and wall thickness) |
|
Temperature Range |
−30 °C to +80 °C continuous service |
|
Coating Adhesion |
≥ 3000 V dielectric strength, no peeling after impact or bending test |
|
Corrosion Resistance |
Excellent resistance to acid, alkali, and saline environments |
|
Hydraulic Test Pressure |
1.5 times the nominal pressure, no leakage or deformation |
|
Connection Types |
Threaded, grooved, welded, or flange connection |
|
Surface Appearance |
Smooth, uniform coating, free from bubbles, pinholes, or cracks |
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