Dairymaster Tank Bottom Fill Non-Return Valve Spring Clip 67.5mm (Pack of 4) The Dairymaster tank bottom fill non return valve spring clip 67.5mm is a replacement spring clip designed for use on Dairymaster milk cooling tanks fitted with bottom fill non-return valves. The Dairymaster tank bottom fill non return valve spring clip 67.5mm is used to secure the non-return valve assembly in place, helping ensure correct operation and preventing unwanted backflow within the milk line. This spring clip is the 67.5mm size (No. 2) , making it suitable for compatible Dairymaster bottom fill valve installations. Using the correct size spring clip is essential to ensure proper retention of valve components and to maintain reliable sealing and consistent milk flow during tank filling and operation. Designed specifically for milk cooling tank applications, replacing worn or damaged spring clips helps maintain the integrity of the non-return valve assembly and supports smooth, dependable system performance. The Dairymaster tank bottom fill non return valve spring clip 67.5mm helps prevent issues caused by loose or misaligned valve parts. Manufactured for use in dairy environments, these spring cl