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Product Specification

Available for Pipe Sizes from 12mm up to 40mm internal diameter.
For use with small bore copper, steel or MDPE/HDPE piping.
Suitable for Pressure Testing up to 6bar.
Suitable also for telecommunications, refrigeration, air conditioning, heating, process plant and food manufacturing.
“Double Seal” plugs can be supplied to order.
Steel components are zinc plated to 90 hours salt spray test.
Carries the Horobin name – quality guaranteed.

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

Part No. Pipe Size Internal Nominal Diameter Will Fit Pipes With Internal Diameter Minimum Insertion into Pipe Overall length Contact length Diameter of waterway Maximum allowable back pressure Approx. Weight
Metric Imperial Minimum Maximum
73811 12mm 1/2 12mm 16mm 66mm 110mm 4mm 50psi 40gm
73821 19mm 3/4 19mm 26mm 66mm 110mm 6mm 50psi 50gm
73831 25mm 1 25mm 37mm 66mm 110mm 6mm 50psi 70gm
73841 32mm 1 1/4 31mm 39mm 66mm 110mm 6mm 50psi 90gm
73851 40mm 1 1/2 38mm 48mm 66mm 110mm 6mm 30psi 130gm