What are Euro socket dust caps ? Euro socket dust caps are specialized accessories used in hydraulic systems. Their main task is to protect quick coupling sockets from contaminants such as dust, dirt, or moisture, which can negatively affect the performance and durability of the entire system. Flip-top cap with flap position stabilization and spring-loaded pressure. Fits all EURO ISO type quick coupling sockets with an outer diameter of 38mm. Protects against sand and dirt getting inside, which can cause sticking and damage to the socket. Material: non-cracking and frost-resistant plastic. Application of Euro socket caps : Euro socket dust caps are widely used in various industrial sectors, particularly in construction, agriculture, and the machinery industry. They are used to protect and identify quick coupling sockets in machines and equipment, preventing contaminants from entering the system and protecting against corrosion and mechanical damage. Regular use of caps extends the life of components and ensures the operational reliability of the entire system.