Why use an aluminum alloy regulator instead of a brass or steel one for N₂O? Aluminum alloy is significantly lighter than brass or steel, which matters when attaching a regulator to a tall N₂O cylinder that you may need to lift or transport. It also dissipates heat more quickly than brass, reducing the risk of internal seal fatigue during rapid gas discharge. Additionally, aluminum naturally forms a protective oxide layer that resists corrosion from nitrous oxide and moisture. However, aluminum threads are softer than brass, so you must avoid cross-threading and over-tightening. For most home kitchens, food trucks, or mobile bars, an aluminum alloy regulator offers the best balance of low weight, adequate durability, and corrosion resistance — provided it is rated specifically for N₂O (not just for CO₂ or air). https://www.rotasswhip.com/pressure-regulator