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GB/T 33484-2025 English PDF

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US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 33484-2025: Test method for shipboard fixed foam fire-fighting systems
Status: Valid

GB/T 33484: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33484-2025	209	Add to Cart	3 days	Test method for shipboard fixed foam fire-fighting systems	Valid
GB/T 33484-2017	159	Add to Cart	3 days	Test method for shipboard fixed foam fire-fighting systems	Valid

Similar standards

GB/T 21477 GB/T 21476 GB/T 33484

Basic data

Standard ID: GB/T 33484-2025 (GB/T33484-2025)
Description (Translated English): Test method for shipboard fixed foam fire-fighting systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U23
Classification of International Standard: 47.020.50
Word Count Estimation: 10,115
Date of Issue: 2025-06-30
Date of Implementation: 2026-01-01
Older Standard (superseded by this standard): GB/T 33484-2017
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 33484-2025: Test method for shipboard fixed foam fire-fighting systems

---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT33484-2025
ICS 47.020.50 CCSU23 National Standard of the People's Republic of China Replaces GB/T 33484-2017 Test methods for fixed foam fire-extinguishing systems on ships Released on June 30, 2025 Implementation on January 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Preface

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces GB/T 33484-2017 "Test methods for fixed foam fire-fighting systems for ships" and is consistent with GB/T 33484-2017. In addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the.2017 edition); b) Added a chapter on “Normative References” (see Chapter 2); c) Added a chapter on “Terms and Definitions” (see Chapter 3); d) Deleted the relevant requirements for test procedures (see 2.2 of the.2017 edition); e) The composition of the foam fire extinguishing system has been changed (see 4.1, 2.1 of the.2017 edition); f) The requirement for foam fire extinguishing systems to be equipped with remote control valves has been modified (see 5.1, 3.2 of the.2017 edition); g) The description of the main power supply and emergency power supply has been changed (see 5.6, 3.7 of the.2017 edition); h) Added classification requirements for foam fire extinguishing systems (see 6.1); i) The composition of the installed foam device test has been changed (see 6.2, 4.2 of the.2017 edition); j) The equipment composition of the preliminary test of the operation station has been changed (see 7.3, 5.3 of the.2017 edition); k) Changed the operational requirements for drainage systems in areas where liquids are released (see 8.4.4, 6.4.5 of the.2017 edition); l) The content of the foam liquid delivery test has been changed (see 8.6.6, 6.6.6 of the.2017 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Technical Committee for Standardization of Marine Machinery (SAC/TC137). This document was drafted by. China Shipbuilding Industry Corporation Comprehensive Technical and Economic Research Institute, Jiangsu Suolong Fire Technology Co., Ltd., Jiangxi Ronghe Special Firefighting Equipment Manufacturing Co., Ltd., Quanzhou Shanhe Firefighting Technology Co., Ltd., Zhejiang Changxing Xiaoxiang Marine Firefighting Equipment Technology Co., Ltd., Anhui Xindun Fire Equipment Co., Ltd., Guangzhou Ruigang Fire Equipment Co., Ltd., Luoyang Inspur Fire Technology Co., Ltd. Co., Ltd., Zhaoqing Hongtai Fire Fighting Materials Co., Ltd., and Zhejiang Hexing Shipbuilding Co., Ltd. The main drafters of this document are. Sun Meng, Pan Yu, Li Chunming, Huang Yashu, Tu Jianxin, Ma Jianming, Wu Huasheng, Xu Ning, Liu Junfeng, Han Caifeng, Liang Xiaoxian, Guo Naiwei, Zheng Weimin, and Chen Cunyu. This document was first published in.2017 and this is the first revision. Test methods for fixed foam fire-extinguishing systems on ships

1 Scope

This document describes the general requirements, safety requirements, test procedures, and procedures for testing fixed foam fire-fighting systems for ships (hereinafter referred to as “foam fire-fighting systems”). Test overview, pre-test preparation, test content, and test report. This document applies to balanced and pressure (positive and negative pressure) high, medium and low expansion foam fire extinguishing systems installed on ships and offshore platforms The test.

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.20031-2024 Foam fire extinguishing equipment

3 Terms and Definitions

The terms and definitions defined in GB.20031-2024 and the following apply to this document. 3.1 foam A collection of air-filled bubbles formed from a foamy solution. 3.2 Foam concentrate A concentrated liquid that forms a foam solution when mixed with water at an appropriate concentration. Note. Foam liquid is also called foam concentrate.

4 General Requirements

4.1 The foam fire extinguishing system should consist of a foam fire extinguishing device (pressure foam tank or foam liquid storage tank, foam liquid pump, foam proportioning mixer, balancing valve, Safety valve, foam distribution system pipeline and its pipeline valve parts), electric or manual release valve, foam nozzle, foam spray, foam generator, foam The foam gun consists of a cannon, a foam gun hose reel device, and electrical control equipment. 4.2 If any abnormality occurs in the control valve, water source, foam liquid pump, valve or control equipment, or foam spraying equipment during the test, the test should be stopped. After finding the cause of the abnormality of these components, repairing or replacing the components, restart the test. 4.3 If the mechanical joints of the piping system can be repaired on site during the test, the test should not be stopped. 4.4 If a test fails, the cause of the failure should be identified and repaired before restarting the test.

5 Security Requirements

5.1 If the foam fire extinguishing system is equipped with a remote control valve, the control valve shall be opened or closed as required during each test. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33484-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33484-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 33484-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33484-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 33484-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 33484-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.