GB/T 6556-2024 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 6556-2024: Type, main dimension, material and marking of mechanical seals
Status: Valid

GB/T 6556: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6556-2024	279	Add to Cart	3 days	Type, main dimension, material and marking of mechanical seals	Valid
GB/T 6556-2016	85	Add to Cart	Auto, < 3 mins	Type, Main Dimension, Material and Marking of Mechanical Seals	Valid
GB/T 6556-1994	319	Add to Cart	3 days	Type, main dimension, material and marking of mechanical seals	Obsolete
GB 6556-1986	479	Add to Cart	4 days	Type, main dimension, material and marking of mechanical seals	Obsolete

Similar standards

JB/T 6374   JB/T 8872   JB/T 10688   GB/T 33920   GB/T 5894   

Basic data

Standard ID: GB/T 6556-2024 (GB/T6556-2024)
Description (Translated English): Type, main dimension, material and marking of mechanical seals
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J22
Classification of International Standard: 21.140
Word Count Estimation: 14,127
Date of Issue: 2024-09-29
Date of Implementation: 2025-04-01
Older Standard (superseded by this standard): GB/T 6556-2016
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 6556-2024: Type, main dimension, material and marking of mechanical seals

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 21.140 CCSJ22 National Standard of the People's Republic of China Replaces GB/T 6556-2016 Mechanical seal types, main dimensions, materials and Identification mark Released on 2024-09-29 2025-04-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

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 6556-2016 "Types, main dimensions, materials and identification marks of mechanical seals" and is consistent with GB/T 6556- Compared with.2016, in addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Added size series (see 4.5); --- Changed the mechanical seal identification mark (see Chapter 5, Chapter 4 of the.2016 edition); --- Changed some materials and codes (see Table 3, Table 2 of the.2016 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 was proposed by the China Machinery Industry Federation. This document is under the jurisdiction of the National Technical Committee for Standardization of Mechanical Seals (SAC/TC491). This document was drafted by. Hefei General Machinery Research Institute Co., Ltd., Zhongmi Holdings Co., Ltd., Sichuan University, Beijing University of Chemical Technology College of Engineering, Jiangsu Huaqing Fluid Technology Co., Ltd., and General Machinery Key Core Basic Parts Innovation Center (Anhui) Co., Ltd. The main drafters of this document are. Wu Zhaoshan, Li Xiang, Wang Jianghua, Chen Zhi, Wen Lan, Shen Zongzhao, Ding Siyun, Li Fengcheng, Li Shuangxi, Xie Xing, Liang Yanbing, Wu Ping, and Li Kun. The previous versions of this document and the documents it replaces are as follows. ---First published in.1994 as GB/T 6556-1994, first revised in.2016; ---This is the second revision. Mechanical seal types, main dimensions, materials and Identification mark

1 Scope

This document defines the terms and definitions of mechanical seals, specifies the types and main dimensions, identification marks and material codes. This document applies to mechanical seals for centrifugal pumps and similar rotating machinery.

2 Normative references

The contents of the following documents constitute 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 1804-2000 General tolerances Tolerances of linear and angular dimensions without tolerance indication GB/T 5894 Mechanical seal terminology GB/T 10444 Method for compiling mechanical seal product models

3 Terms and definitions

The terms and definitions defined in GB/T 5894 apply to this document.

4 Types and main dimensions

4.1 General requirements Various mechanical seal types can refer to the structures shown in Figures 1 to 6, but should follow the given dimensions. The example of using an O-ring as an auxiliary sealing ring for a stationary ring, sealing rings of other cross-section types can also be used as auxiliary sealing rings for a stationary ring. For unspecified dimensional tolerances, please refer to Class F in GB/T 1804-2000. 4.2 Types of single-end mechanical seals U-type. unbalanced single-end mechanical seal, see Figure 1. Type B. Balanced single-end mechanical seal, see Figure 2. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 6556-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 6556-2024_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 6556-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 6556-2024_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 6556-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 6556-2024 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.