ISO 7005-1-2011 PDF
Name in English:
St ISO 7005-1-2011
Name in Russian:
Ст ISO 7005-1-2011
Original standard ISO 7005-1-2011 in PDF full version. Additional info + preview on request
Full title and description
ISO 7005-1:2011 — Pipe flanges — Part 1: Steel flanges for industrial and general service piping systems. This part establishes a base specification for steel pipe flanges intended for a wide range of industrial and general service piping applications.
Abstract
ISO 7005-1:2011 provides a base specification for steel pipe flanges used in chemical process, power generation, petroleum and natural gas industries and other facilities handling a variety of fluids (steam, pressurised water, chemical and related products). It places selection responsibility for a flange series with the purchaser and is applicable to packaged equipment piping as well as plant piping. Key items covered include flange series, types, facings, dimensions, tolerances, bolting and marking, plus guidance on materials and pressure/temperature ratings in annexes.
General information
- Status: Published (International Standard; confirmed at latest periodic review).
- Publication date: July 2011 (Edition 2, published 2011-07).
- Publisher: International Organization for Standardization (ISO).
- ICS / categories: 23.040.60 (Flanges, couplings and joints).
- Edition / version: Edition 2 (2011).
- Number of pages: 10 pages.
Scope
Specifies a base specification for circular steel pipe flanges intended for industrial and general service piping systems. The standard applies to flanges used in facilities that process or handle a wide variety of fluids and to packaged equipment piping; it defines the responsibility of the purchaser for selecting the appropriate flange series and provides normative requirements and informative guidance for application and pressure/temperature considerations.
Key topics and requirements
- Definition of flange types and designation (series, type and facing).
- Dimensional specifications and tolerances for circular steel flanges (PN series and commonly used sizes).
- Flange facings and surface finish requirements.
- Bolt hole patterns, bolt sizes and threading details.
- Marking, inspection and testing requirements.
- Guidance on materials and pressure/temperature ratings provided in annexes (informative).
Typical use and users
Used by piping engineers, mechanical designers, procurement/specification writers, flange and valve manufacturers, fabricators, inspection and quality personnel, and facility owners/operators to specify, select and verify steel flanges for industrial piping systems and packaged equipment connections.
Related standards
ISO 7005 is a multipart series; related parts include ISO 7005-2 (Cast iron flanges) and ISO 7005-3 (Copper alloy and composite flanges). Users may also consult regional and industry standards that cover flange design and joint calculation, such as EN/ASME documents that address flange dimensions and gasketed flange connections.
Keywords
pipe flanges, steel flanges, PN series, flange facings, flange dimensions, bolting, flange marking, flange testing, pressure/temperature ratings, packaged equipment piping, ISO/TC 5/SC 10
FAQ
Q: What is this standard?
A: ISO 7005-1:2011 is the International Standard that provides a base specification for steel pipe flanges for industrial and general service piping systems.
Q: What does it cover?
A: It covers flange types and designation, facings, dimensions and tolerances, bolt sizes and patterns, surface finish, marking, inspection and testing requirements, plus informative annex guidance on materials and pressure/temperature ratings.
Q: Who typically uses it?
A: Piping and mechanical engineers, manufacturers and fabricators of flanges and piping components, procurement and specification writers, inspectors and plant operators who need an internationally recognised baseline for steel flanges.
Q: Is it current or superseded?
A: ISO 7005-1:2011 (Edition 2) superseded the 1992 edition and was reviewed and confirmed in ISO’s periodic review cycle (confirmation noted during the review process), so the 2011 edition remains the current published version unless a newer revision is published after the review date.
Q: Is it part of a series?
A: Yes — ISO 7005 is a multipart standard. Part 1 covers steel flanges; Part 2 covers cast iron flanges and Part 3 covers copper alloy and composite flanges.
Q: What are the key keywords?
A: Pipe flanges, steel flanges, PN series, facings, dimensions, tolerances, bolting, marking, testing, pressure/temperature ratings.