Satterlund Supply carries a precision-engineered selection of brass air cocks—also known as air release or petcock valves—designed for effortless venting and bleed-off in pneumatic, hydraulic, and steam systems. Our brass air cocks feature durable, leak-proof ball or cone valves with PTFE or Buna-N seals, offering rapid air evacuation and reliable drip-tight shutoff under fluctuating pressures. These brass air release fittings ensure long-term corrosion resistance and smooth operation in compressors, boilers, and process lines. Backed by Satterlund Supply’s in-house threading services, you’ll receive ready-to-install brass air cocks tailored to your exact specifications—delivered promptly throughout Michigan and Ohio, with shipping options nationwide!