GB/T 21385-2025 in English

VALID

Metal-seated ball valve

Issued on:2025-10-31
Implemented on:2026-05-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $255.00
$248.00

Standard No:	GB/T 21385-2025
Document status:	VALID
Title in English:	Metal-seated ball valve
Title in Chinese:	金属密封球阀
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2025-10-31
Implemented on:	2026-05-01
Superseding:	GB/T 21385-2008 Metal-seated ball valve
ICS Classification:	23.060.10-Globe valves
Chinese Classification:	J16-Valve
Professional Classification:	GB-National Standard
Related Keywords:	metal-seated ball metal-sealed ball valves ball introductionthis standard packaging requirements

《GB/T 21385-2025金属密封球阀》由TC188（全国阀门标准化技术委员会）归口，主管部门为中国机械工业联合会。

Introduction

This standard outlines the technical specifications and requirements for metal-sealed ball valves, focusing on their design, materials, performance, and testing procedures. It provides detailed guidelines to ensure the consistency and quality of such valves across various applications. The document includes provisions related to dimensional tolerances, pressure ratings, sealing capabilities, and safety considerations. Additionally, it specifies the methods for conducting essential tests to verify compliance with the established criteria. The standard also addresses the marking and packaging requirements for products, ensuring clarity and traceability. It serves as a reference for manufacturers, suppliers, and users to achieve uniformity in the production and use of metal-sealed ball valves.

*** Please note: This description may not be accurate, please refer to the official documentation.

More samples: DL/T 368-2010 JJG 21-2008 DL/T 5154-2012

Sample only — not a preview of GB/T 21385-2025