Steel Test Plugs - 40mm up to 450mm

“Double Seal” plugs can be supplied to order. Thrust washers fitted as standard on all plugs 9” (225mm) & above. Zinc plated – corrosion resistant to 90 hours salt spray test. Combines the economy of price with the strength of steel. Carries the Horobin name – quality guaranteed. Nominal pipe sizes, minimum and maximum pipe diameters each plug will fit, Maximum test pressure and weight of plug are available below It is the responsibility of the installer / operator to make sure the maximum allowed back pressure of HOROBIN pipe stoppers are not exceeded. Please see maximum allowed back pressures in the table below