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GB/T 28712.1-2023Types and basic parameters of heat exchangers—Part 1: Floating head exchangers (English PDF)

热交换器型式与基本参数第1部分：浮头式热交换器

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

September 7, 2023

Implementation date

January 1, 2024

Scope

GB/T 28712.1-2023 is the English-translated version of 热交换器型式与基本参数第1部分：浮头式热交换器.

GB/T 28712.1-2023 is the Chinese standard "Types and basic parameters of heat exchangers—Part 1: Floating head exchangers".

Its scope clause reads: This document specifies floating head type internal and external flow heat exchangers (hereinafter referred to as "heat exchangers") and floating head condensers (hereinafter referred to as Condenser) type and basic parameters.

This document applies to the following heat exchangers and condensers. a) Internal flow heat exchangers with a nominal diameter not greater than 2600mm and a nominal pressure not greater than 6.4MPa; b) External flow heat exchangers with a nominal diameter not greater than 1000mm and a nominal pressure not greater than 4.0MPa; c) Floating head condenser with a nominal diameter not greater than 2200mm and a nominal pressure not greater than 4.0MPa.

Note. The data in this document are based on the hook-and-loop floating head (S type) and do not involve the extractable floating head (T type). Its clauses include normative reference documents; terms and definitions; types.

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Document preview — GB/T 28712.1-2023

National Standard of the People's Republic of China

ICS: 71.120.30
Classification: J 75
Replacing: GB/T 28712.1-2012

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

Preface
Introduction
1 Scope
2 Normative reference documents
3 Terms and Definitions
4 Type
5 Basic parameters

1 Scope

This document specifies floating head type internal and external flow heat exchangers (hereinafter referred to as "heat exchangers") and floating head condensers (hereinafter referred to as

Condenser) type and basic parameters.

This document applies to the following heat exchangers and condensers.

a) Internal flow heat exchangers with a nominal diameter not greater than 2600mm and a nominal pressure not greater than 6.4MPa;

b) External flow heat exchangers with a nominal diameter not greater than 1000mm and a nominal pressure not greater than 4.0MPa;

c) Floating head condenser with a nominal diameter not greater than 2200mm and a nominal pressure not greater than 4.0MPa.

Note. The data in this document are based on the hook-and-loop floating head (S type) and do not involve the extractable floating head (T type).

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations

For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document.

GB/T 151 heat exchanger

NB/T 47065.1 Vessel supports Part 1.Saddle supports

3 Terms and definitions

The terms and definitions defined in GB/T 151 apply to this document.

4 types

4.1 Heat exchanger

4.1.1 Internal flow heat exchanger

The type of internal flow heat exchanger is shown in Figure 1.

Figure 1 Internal flow heat exchanger […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 24 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 151-2026|GB/T 10476-2024|GB/T 28712.2-2023|GB/T 28712.3-2023|GB/T 13577-2026|GB/T 13578-2026

Editions of GB/T 28712.1

Edition	Title	Revision	Status
GB/T 28712.1-2023	Types and basic parameters of heat exchangers—Part 1: Floating head exchangers	current edition	Current
GB/T 28712.1-2012	Types and basic parameters of heat exchangers—Part 1: Floating head exchangers	previous edition	Superseded

This page sells the current edition, GB/T 28712.1-2023. Earlier editions are listed for reference only.

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