GOST 17378 Reducer – Emirerri Steel The GOST 17378 Reducer from Emirerri Steel is a high‑quality butt‑weld pipe fitting designed to connect pipes of different diameters while ensuring smooth fluid flow and minimal turbulence. Manufactured according to the GOST 17378 standard, this reducer is available in both concentric and eccentric types to suit various piping configurations and installation needs. Constructed from durable materials such as carbon steel, stainless steel (304, 316, 316L), and alloy steels, these reducers offer excellent strength, corrosion resistance, and long service life in demanding industrial environments.















