Rubber Plug 40mm The Rubber Plug 40mm is a replacement closure fitting designed for use with compatible dairy milking pipework and equipment connections . Manufactured from flexible rubber it provides a simple way to blank off a 40mm opening or connection where an outlet is not required during normal operation or servicing. The Rubber Plug 40mm is suitable for use during repairs maintenance and equipment refurbishment where an existing plug has become worn damaged or lost. Its rubber construction allows it to fit securely within the correct connection while still being straightforward to remove when access to the pipework or fitting is required. Rubber plugs can gradually become hardened cracked split or distorted through repeated use and cleaning. A deteriorated plug may no longer fit securely which can lead to unwanted leakage or an unreliable closure. Replacing worn rubber fittings helps keep connections sealed and ensures the surrounding milking equipment remains in good working condition. The Rubber Plug 40mm is a useful spare for dairy engineers and farmers carrying out milking parlour servicing repairs and planned maintenance . Before ordering check the existing fitting care