What are the components of spiral steel pipe?

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What are the components of spiral steel pipe?

The materials, specifications, models, and quality of the spiral welded pipe component and the spiral welded pipe support should comply with the design documents and should be visually inspected in accordance with the current national standards. Those who do not pass the test shall not be used.

Spiral welded pipe components (it includes pipes, fittings, flanges, gaskets, fasteners, valves and expansion joints, flexible joints, pressure hoses, traps, filters and separators, etc.) and spiral welded pipe supports (It includes booms, spring-supported hangers, diagonal stays, balance weights, elastic bolts, support rods, chains, guides, anchors, saddles, pads, rollers, brackets, sliding brackets and pipe hangers, lifting ears .Rings, clips, hanging clips, fastening splints, skirt sockets, etc.) must have a quality certificate from the manufacturer, whose quality must not be lower than the current national standards. Spiral welded pipe components and spiral welded pipe supports should be properly kept during construction, and should not be confused or damaged. The color code or marking should be clearly legible. Pipes made of stainless steel and non-ferrous metals and spiral welded pipe supports should not be in contact with carbon steel during storage. Pipes that cannot be installed temporarily should be closed.

The components of alloy steel spiral welded pipes should be reviewed by spectral analysis or other methods, and marked. The lining quality of the anti-corrosion lining spiral welded pipe should meet the requirements of the current national standards (industrial equipment, construction and acceptance of anti-corrosion engineering of spiral welded pipes, and specifications).