Spring black Giuliani Anello 504.0039.020 014.0522.001

Spring Giuliani Anello 504.0039.020 (014.0522.001) is used in gas pressure regulators ST4B50 for setting outlet pressure in the range from 260 to 380 mbar. The black color of the spring corresponds to the standard for this pressure range. Made of high-quality stainless steel, which ensures its durability and reliability in operation.