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Typical round flange
Typical product · brand and markings may differ

Fittings, couplings and flanges · Flange

Round flange

StandardStandardThe standard the product is made and tested to, for example ASTM A795 or EN 10255 for steel pipe. Your specification usually names it.
EN 10242
ThreadThreadNPT is the American taper thread; BSPT (ISO 7-1) is the British taper thread. Match the thread to the fittings used on the project.
ISO 7-1 (BSP)
Finish
Galvanised
Range
Malleable iron to EN 10242, ISO 7-1 (BSP) threads, black or hot-dip galvanised, sizes per catalogue table

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Listing requiredListing requiredWhether the item must carry a third-party listing or approval: UL (Underwriters Laboratories), FM (FM Approvals) or EN certification, often by LPCB. Listings belong to the manufacturer of each product; we quote only products that carry the one you ask for.
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