GB/T 4791-2025 in English

VALID

Graphical symbols for pipeline accessory of ships

Issued on:2025-10-31
Implemented on:2026-05-01
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $375.00
$364.00

Standard No:	GB/T 4791-2025
Document status:	VALID
Title in English:	Graphical symbols for pipeline accessory of ships
Title in Chinese:	船舶管路附件图形符号
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2025-10-31
Implemented on:	2026-05-01
Superseding:	GB/T 4791-2005 Graphical symbols for pipeline accessory of ships
ICS Classification:	47.020.30-Piping systems
Chinese Classification:	U04-Basic standards and general methods
Professional Classification:	GB-National Standard
Related Keywords:	graphical symbols ships introductionthis standard pipeline accessory ships symbols

《GB/T 4791-2025船舶管路附件图形符号》由TC12（全国海洋船标准化技术委员会）归口，TC12SC3（全国海洋船标准化技术委员会船舶基础分会）执行，主管部门为国家标准委。

Introduction

This standard provides specifications for graphical symbols used in the representation of piping fittings on ships. It outlines the design, application, and presentation of these symbols to ensure consistency and clarity in technical documentation related to ship piping systems. The standard covers various types of fittings commonly found in marine engineering and defines their visual representation to facilitate understanding and communication among engineers and technicians. It also includes guidelines for the use of these symbols in diagrams and drawings, ensuring that they are easily interpretable and standardized across different applications. The standard is intended for use in the design, construction, and maintenance of ships and related equipment.

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

More samples: JC/T 2453-2018 QC/T 942-2021 NB/T 47013.2-2015

Sample only — not a preview of GB/T 4791-2025