The 450mm Drain Stopper is part of a large range of steel drain plugs manufactured from high quality zinc plated steel. The centre locking drain plugs are expanded by the wing nut for pressure testing of drains and sewers. The 450mm Drain Stopper has a 13mm blanking cap that can be replaced with a 13mm Drain Nipple for connecting to pressure testing equipment.
18" Steel Drain Plug - maximum permissible back pressure is 5psi
Pipe Size Internal Nominal Diameter Will Fit Pipes with Internal Diameter Metric Imperial Minimum Maximum 450mm 18" 448mm 495mm
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