Danfoss product range are built using an innovative processes and quality control to make sure each product is reliable, versatile, and of high quality. The Danfoss Randall RLV-D Angled Valve Lockshield and Wheel Head Pack Nickel is a matching set of nickel plated lockshield valve and wheelhead cap. Nickel straight lockshield for 10mm copper pipe Supplied with wheelhead and locking caps Meets the requirements in BS2767-10 Can also be used in closed comfort cooling systems, if the piping system if free of oxygen