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Homepage>CSN Standards>45 DEEP HOLE DRILLING AND OIL EXTRACTION>4516 General equipment>CSN EN 14870-3 - Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges
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CSN EN 14870-3 - Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges

CSN EN 14870-3

Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges

CURRENCY
LANGUAGE
English
Category:451620
Released:2004
Released:2006
Number of Standard:CSN EN 14870-3
DESCRIPTION

EN 14870-3


EN 14870-3 Petroleum and natural gas industries - Induction bends, fittings and flanges for pipeline transportation systems - Part 3: Flanges - This part of EN 14870 applies to weldneck and blind flanges (full face, raised face, and RTJ groove) as well as anchor, swivel-ring flanges and orifice flanges. This part of EN 14870 specifies the technical requirements for carbon steel and low-alloy steel forged flanges for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISO 13623. This part of EN 14870 designates those categories of flanges that meet the industry's need to match ISO 3183 pipe. These flanges are for normal and low-temperature service and include supplementary requirements where required for sour service. Materials for, or the attachment of, factory-welded extensions, bolting materials, gaskets, slip-on flanges or flanged fittings are not covered by this part of EN 14870. This part of EN 14870 is not applicable to integrally cast or forged flanges for valves, pumps or other equipment. This part of EN 14870 does not cover the selection of the flange category or pressure class. Sizes and pressure classes listed in ISO 7005-1 and applicable to this part of EN 14870 are as follows: - DN 10 (NPS 1/2) to DN 1500 (NPS 60); - PN 20 (class 150), PN 50 (class 300), PN 100 (class 600), PN 150 (class 900), PN 250 (class 1500), PN 420 (class 2500). On-land supply systems used by the gas supply industry are excluded from the scope of this document.

Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.
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