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GB/T 3287-2024Malleable cast iron pipe fittings (English PDF)

可锻铸铁管路连接件

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

October 26, 2024

Implementation date

November 1, 2025

Scope

GB/T 3287-2024 is the English-translated version of 可锻铸铁管路连接件.

GB/T 3287-2024 is the Chinese standard "Malleable cast iron pipe fittings".

Its scope clause reads: This document defines the terms and definitions of malleable cast iron pipe fittings (hereinafter referred to as "pipe fittings"), establishes the product classification and standardization of pipe fittings, It specifies the technical requirements for pipe fittings, such as materials, design, appearance, performance, etc., and describes the corresponding test methods, inspection rules, marking, packaging, transportation, etc. Transport and storage, etc. This document is applicable to the maximum working pressure of 2.5MPa, nominal size (DN) 6~(DN) 150, operating temperature of -20°C~300°C, Design, manufacture and acceptance of pipe fittings used for general pipeline connections with media such as water, oil, air, gas, steam, etc. Its clauses include terms and definitions.

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Document preview — GB/T 3287-2024

National Standard of the People's Republic of China

ICS: 23.040.60
Classification: Y71
Replacing: GB/T 3287-2011

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Product Categories
5 Requirements
6 Test Methods
7 Inspection Rules
8 Marking, packaging, transportation, storage
Appendix A (Normative) Type I Pipeline Connectors, Types and Dimensions
Appendix B (Normative) Type II dimensions of pipe connectors
Appendix C (Normative) Type III dimensions of pipe connectors
Appendix D (Normative) Ductility (Flattening Rate) Test
Appendix E (Informative) Inert Fillers

1 Scope

This document defines the terms and definitions of malleable cast iron pipe fittings (hereinafter referred to as "pipe fittings"), establishes the product classification and standardization of pipe fittings,

It specifies the technical requirements for pipe fittings, such as materials, design, appearance, performance, etc., and describes the corresponding test methods, inspection rules, marking, packaging, transportation, etc.

Transport and storage, etc.

This document is applicable to the maximum working pressure of 2.5MPa, nominal size (DN) 6~(DN) 150, operating temperature of -20°C~300°C,

Design, manufacture and acceptance of pipe fittings used for general pipeline connections with media such as water, oil, air, gas, steam, etc.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to

This document.

GB/T 192 Basic profile of common thread

GB/T 193 Common thread diameter and pitch series

GB/T 196 Basic dimensions of common threads

GB/T 197 General thread tolerances

GB/T 2828.1 Sampling procedures for inspection by attributes Part 1.Sampling plans for batch inspection based on acceptance quality limit (AQL)

GB/T 2829-2002 Periodic Inspection Attribute Sampling Procedures and Tables (Applicable to Inspection of Process Stability)

GB/T 4956 Measurement of coating thickness of non-magnetic coatings on magnetic substrates - Magnetic method

GB/T 7306.1 55° sealing pipe threads Part 1.Cylindrical internal threads and conical external threads

GB/T 7306.2 55° sealing pipe threads Part 2.Conical internal threads and conical external threads

GB/T 7307 55° non-sealed pipe thread

GB/T 9440 Malleable iron castings

GB/T 10125 Artificial atmosphere corrosion test Salt spray test

GB/T 12689 (all parts) Chemical analysis methods for zinc and zinc alloys

GB/T 13825 Metallic coatings - Determination of mass per unit area of hot-dip galvanized coatings on ferrous metals

GB/T 36488 Determination of polycyclic aromatic hydrocarbons in coatings

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Pipe fitting

Products used to connect one or several parts.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 65 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 12689

Cited by

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