GB/T 46622.1-2025 in English

This standard specifies the installation connection dimensions for screw-in valves in hydraulic transmission systems. It focuses on the metric thread specifications for the first part of the standard. The document provides detailed dimensional requirements to ensure compatibility and proper integration of components within hydraulic systems. It outlines the necessary measurements and tolerances for the connection interfaces, facilitating uniformity in design and manufacturing processes. The standard is structured to support the accurate assembly and performance of hydraulic systems by defining standardized parameters for thread engagement and fit. It includes information on the geometric characteristics and dimensional tolerances relevant to the specified thread type. The content is intended to guide engineers and manufacturers in adhering to consistent practices when incorporating screw-in valves into hydraulic applications.