Dairymaster Auto Air Purge Non-Return Valve – Pack of 4 The Dairymaster auto air purge non-return valve is a vital service component designed to keep your milking system operating cleanly, smoothly, and reliably. Used within auto air purge systems, this valve allows controlled air release at the correct moment while preventing unwanted backflow into the milk or vacuum lines. The result is improved hygiene, steadier vacuum levels, and more consistent cluster performance throughout milking. Over time, non-return valves can become worn, sticky, or slow to respond, leading to unstable vacuum, inefficient purging, or increased risk of contamination. Replacing them with this dedicated Dairymaster auto air purge non-return valve helps restore correct system function and protects the overall performance of your plant. It supports smooth cluster removal, reduces vacuum fluctuations, and helps maintain clean line conditions from cow to tank. Manufactured for the demands of daily dairy use, each valve is built from durable, farm-ready materials that stand up to moisture, cleaning chemicals, and repeated cycles. Supplied as a convenient pack of four, it’s ideal for routine servicing, preventat
