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GB/T 4450-2008 English PDF

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Q: Should I purchase the latest version GB/T 4450-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4450-2008 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.

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 4450-2008: Marine blank steel flanges
Status: Valid

GB/T 4450: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 4450-2008	279	Add to Cart	3 days	Marine blank steel flanges	Valid
GB/T 4450-1995	399	Add to Cart	3 days	Marine blank steel flanges	Obsolete
GB 4450-1984	239	Add to Cart	2 days	Marine blank steel flanges	Obsolete

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Basic data

Standard ID: GB/T 4450-2008 (GB/T4450-2008)
Description (Translated English): Marine blank steel flanges
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U55
Classification of International Standard: 47.020.30
Word Count Estimation: 12,117
Date of Issue: 2008-02-14
Date of Implementation: 2008-09-01
Older Standard (superseded by this standard): GB/T 4450-1995
Quoted Standard: GB/T 569; GB/T 700-2006; GB 712-2000; GB/T 1184-1996; GB/T 1958; GB/T 2501
Regulation (derived from): National Standard Approval Announcement 2008 No.2 (Total No.115)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the flange connection dimensions according to GB/T 569 and GB/T 2501 steel blind flange marine classification, requirements, test methods, inspection rules, signs, packaging and storage. This standard applies to no more than nominal pressure 1. 6MPa, medium is air, seawater, freshwater, oil and temperature not higher than 300��C steam blind flange design, manufacture and acceptance.

GB/T 4450-2008: Marine blank steel flanges

---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.
Marine blank steel flanges ICS 47.020.30 U55 National Standards of People's Republic of China Replacing GB/T 4450-1995 Marine blind steel flanges Posted 2008-02-14 2008-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 4450-1995 "marine steel blind flange." This standard compared with GB/T 4450-1995, mainly for the following changes. --- Canceled AS type, BS type DN10mm specifications; --- Expanding the nominal diameter size, DN expand from 500mm to 1000mm; --- A type, AS type DN300mm more plus a drill holes; --- Modified type B, BS, type of structure and size. The standard proposed by China State Shipbuilding Corporation. This standard by the National Marine Machinery Standardization Technical Committee piping attachment points Technical Committee. This standard was drafted. Hudong-Zhonghua Shipbuilding (Group) Co., Ltd., China Shipbuilding Technology and Economy Research Institute. The main drafters of this standard. He Huiqiong, Luo Yuan hair, Geng Haiping, Yu Weihai. This standard replaces the standards previously issued as follows. --- GB/T 4450-1984, GB/T 4450-1995. Marine blind steel flanges

1 Scope

This standard specifies the flange connection dimensions according to GB/T 569 and GB/T 2501 marine blind steel flanges (hereinafter referred to as blind flange) Classification, requirements, test methods, inspection rules, marking, packaging and storage. This standard applies to nominal pressure not more than 1.6MPa, medium is air, water, fresh water, and oil temperature not higher than 300 ℃ steam Steam blind flange design, manufacture and acceptance.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 569 Marine flange connection dimensions and sealing surface GB/T 700-2006 carbon structural steel GB 712-2000 hull structural steel GB/T 1184-1996 shape and position tolerances without individual tolerance value (eqv ISO 2768-2. 1989) GB/T 1958 Geometrical Product Specifications (GPS) shape and position tolerance testing requirements GB/T 2501 Marine flange connection dimensions and sealing surface (four into position) Category 3 Type 3.1 Blind flange divided into the following four categories. A type --- flange dimensions according to GB/T 569 marine blind steel flanges. AS type --- flange dimensions according to GB/T 2501 marine blind steel flanges. Type B --- flange dimensions according to GB/T 569 marine double blind steel flanges. BS type --- flange dimensions according to GB/T 2501 marine double blind steel flanges. 3.2 Basic parameters The basic parameters are shown in Table 1 blind flange. Table 1 blind flange basic parameters Types of Nominal pressure PN / MPa Nominal diameter DN / mm A 0.6,1.0,1.6 20 ~ 500 AS 0.6 15 ~ 1000 1.0,1.6 ~ 600 15 BS 0.6,1.0,1.6 20 to 500 15 to 500 3.3 Structure and basic dimensions Structure and basic dimensions 3.3.1 A blind flange type according to Figure 1 and Table 2. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 4450-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 4450-2008_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 4450-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 4450-2008_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 4450-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 4450-2008 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.