ABS Backnut BSP Adaptor Fittings Inch (Imperial) Fittings form a range of rigid pressure piping systems renowned for its high impact strength and durability which combine to give it exceptional toughness. ABS Pipe and Fittings are suitable for use over a wide temperature range from -40°C to 70°C up to 15 bar which coupled with excellent abrasion and corrosion resistance make our ABS fittings the perfect product to use in place of metal systems offerings savings on both labour, maintenance and materials. ABS is resistant to a range of abrasive slurries which can damage steel or other pipe materials. It is non-toxic and taint free, and is in widespread use for food products, soft drinks and high purity water. ABS pressure piping systems are lightweight, rigid and easy to install. Joints are made using solvent cement which require no special tools.