OST 26-04-1250-75
ОСТ 26-04-1250-75
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Ranks of pipes for pipelines.
Ряды труб для трубопроводов.
Status: Not effective - Superseded
The standard applies to the rows of pipes for pipelines for various purposes, used in products of cryogenic and vacuum engineering. The standard establishes a number of conventional passages used in the restriction of ST SEV 254-76 and GOST 18626-73, the main dimensions (outer diameter and wall thickness) and pipe material used for pipelines, and the conditions that limit their use. The choice of pipes according to this standard should be made taking into account the restrictive standards of enterprises. It is allowed to use pipes that are not specified in this standard, provided that the external connecting dimensions of pipelines do not contradict industry standards for flange and nipple connections.
Стандарт распространяется на ряды труб для трубопроводов различного назначения, применяемых в изделиях криогенного и вакуумного машиностроения. Стандарт устанавливает ряд применяемых условных проходов в ограничение СТ СЭВ 254-76 и ГОСТ 18626-73, основные размеры (наружный диаметр и толщину стенки) и материал труб, применяемых для трубопроводов, и условия, ограничивающие их применение. Выбор труб по настоящему стандарту должен производиться с учетом ограничительных стандартов предприятий. При этом допускается применение труб, не указанных в настоящем стандарте, при условии, чтобы внешние присоединительные размеры трубопроводов не противоречили отраслевым стандартам на фланцевые и ниппельные соединения
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Format: Electronic (pdf/doc)
SKU: RUSS105748
The Product is Contained in the Following Classifiers:
Construction (Max) »
Standards »
Industry Standards and Specifications »
Industry standards »
PromExpert »
SECTION V. ENVIRONMENTAL PROTECTION. NATURE USE »
II Ensuring environmental safety »
4 Ensuring environmental safety during subsoil use »
4.2 Use and protection of subsoil »
4.2.4 Environmental safety requirements in design, installation and operation of submarine cables and pipelines »
National Standards for KGS (State Standards Classification) »
Latest edition »
V Metals and metal products »
V6 Pipes metal and pipe products »
Classification, nomenclature and general norms »
National Standards for OKSTU »
STEEL PIPES »
General rules and regulations »
As a Replacement Of:
OST 26-04-79-70: Range of pipes for pipelines
The Document References:
GOST 18626-73: Bore diameters of components of vacuum systems. Basic dimensions
GOST 19903-74: Hot-rolled steel sheets. Dimensions
GOST 19904-74: Cold-rolled sheet. Range
GOST 3262-75: Water-supply and gas-supply steel pipes Technical conditions
GOST 380-71: Common quality carbon steel. Grades
GOST 4543-71: Structural alloyed steel
GOST 5632-72: High-alloy steels and corrosion-proof, heat-resisting and heat treated alloys. Grades
GOST 8734-75: Seamless steel tubes cold deformed. Range
GOST 9941-72: Seamless cold- and warm-deformed tubes made from corrosion-resistant steel
OST 26-04-981-74: Goods of cryogenic equipment. Nominal pressures (limitation of GOST 356-68 and GOST 9493-73)
SN 373-67: Instructions on the calculation of steel pipelines for various purposes
ST SEV 254-76: Pipeline connections and valves. Conditional passages
VSN 350-75: Standard Dimensions and Properties for Pipes Used in Process Piping Systems Made of Alloy and High-Alloy Steel and Operating at Nominal Pressure Less Than or Equal to 100 kgf per sq. cm
The Document is Referenced By:
VSN 10-83/Minhimprom: Instruction on designing of oxygen gas pipelines
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