The DIN 2353 plug type VSTI-BE is designed for reliable sealing performance and durability, featuring an external BSP thread with sealing according to DIN 3852 type E, supported by an elastomer gasket with a rectangular cross-section. Manufactured from high-quality carbon steel and finished with a premium zinc-nickel coating of 6–10 µm thickness, it ensures outstanding protection against wear and corrosion, with proven resistance of up to 720 hours in salt spray testing. The plug is engineered for use with a hex key, allowing quick and secure installation even in demanding hydraulic and pneumatic systems. Its advanced surface treatment not only extends service life but also guarantees consistent performance in harsh industrial environments, making it an ideal choice for applications where reliability, safety, and long-term efficiency are essential.