A pvc coated steel pipe is a steel pipe covered with a bonded plastic layer on the inner wall, outer wall, or both sides. The steel body gives the pipe shape and strength, and the coating helps keep water, soil, and many mild chemicals away from the metal. It is often used in building water systems, buried utility lines, plant pipe runs, and drainage work where bare steel may rust too quickly.
For water service, a pvc coated steel pipe usually has a smooth inner surface, so water can pass through with lower friction than a rough corroded pipe. The coating also makes visual checking easier because damage can be seen before installation. This product should be handled with padded slings or clean supports, because sharp hits on the coating can expose the steel. When the size, coating thickness, and connection method are matched well, this product can work in indoor rooms, outdoor pipe trenches, and simple industrial water lines.
Product Parameters
|
Parameter |
Value |
|
Base pipe |
Carbon steel pipe |
|
Coating material |
PE, PP, or epoxy powder according to use |
|
Usual working temperature |
-30°C to 80°C for water service |
|
Outside environment range |
About -40°C to 90°C |
|
Common coating thickness |
about 250-500 μm |
|
Connections |
Flange, groove clamp, thread, or other matched fittings |
|
Colors |
White, grey, red, blue, or project color |
|
Main use |
Water supply, drainage, building pipe systems |
Main Applications
1. pvc coated steel pipe is used for building water supply and drainage lines in residential, commercial, and public facilities.
2. Underground water pipes where a coated outside surface is needed.
3. Factory water, mild chemical, and air pipe sections with matched sealing parts.
Installation Notes
1. Do not weld directly on the coated surface after coating is finished.
2. Use soft belts or clean pads during loading so the coating is not cut.
3. Check pipe ends, flange faces, and groove areas before closing the line.
FAQ
Q: Can it be used for drinking water?
A: It can be used when the inner coating material and standard match the water project requirement.
Q: Is the color fixed?
A: No. Red, blue, white, grey, and other colors can be made for different line marks.
Q: Which connection is common?
A: Groove clamp and flange are often used because they help protect the coating near the pipe end.
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