The Herz TS-4000 genuine nickel-plated brass ball valve, article number 1220152, is engineered for reliable operation across various systems including heating, drinking water, air conditioning, compressed air, oil, and fuel, specifically with non-aggressive media. This robust valve features a DN20 nominal diameter, a PN25 pressure rating, and is equipped with internal 3/4 inch threads on both sides, complete with a union nut for secure and leak-proof installation. Constructed from durable nickel-plated brass, it includes an aluminum handle and PTFE seals, ensuring a maximum operating temperature of 110 °C and a Kvs value of 28.0 m³/h.