OST 24.125.55-89
ОСТ 24.125.55-89
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Flanges of welded butt joint with depression for NPP pipelines. Design and dimensions.
Фланцы приварные встык с впадиной для трубопроводов АЭС. Конструкция и размеры.
Status: Not defined by law. In connection with the entry into force of the Federal Law of December 27, 2002 N 184-ФЗ "On Technical Regulation"
The standard applies to butt-weld flanges with a hollow for NPP pipelines
Стандарт распространяется на приварные встык фланцы с впадиной для трубопроводов АЭС
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Format: Electronic (pdf/doc)
Approved: USSR Ministry of Heavy, Power, and Transport Engineering,
5/26/1989
SKU: RUSS103666
The Product is Contained in the Following Classifiers:
Construction (Max) »
Standards »
Industry Standards and Specifications »
Industry standards »
Standards for pipe fittings (TPA) »
13. Standards for basic components and parts of injection molding machines »
13.1 Flanges »
Standards for pipe fittings (TPA) »
6. Standards of connecting sizes of piping valves (TPA) »
6.1 Flange connection »
ISO classifier »
23 HYDRAULIC AND PNEUMATIC SYSTEMS AND GENERAL PURPOSE COMPONENTS »
23.040 Pipelines and their components »
23.040.60 Flanges, couplings and connections »
National standards »
23 HYDRAULIC AND PNEUMATIC SYSTEMS AND GENERAL PURPOSE COMPONENTS »
23.040 Pipelines and their components »
23.040.60 Flanges, couplings and connections »
ISO classifier »
27 ENERGY AND HEATING TECHNOLOGY »
27.120 Nuclear power engineering »
27.120.99 Nuclear energy, other aspects »
National Standards for KGS (State Standards Classification) »
Latest edition »
G Machines, equipment and tools »
G1 General parts and units of machines »
G18 Fittings and pipeline connections »
National Standards for OKSTU »
INDUSTRIAL PIPELINE FITTINGS AND GATE VALVES »
Industrial pipeline steel fittings (without valves and gates) »
The Document References:
GOST 1050-88: Carbon structural quality steel gauged bars with special surface finish. General specifications
GOST 23304-78: Bolts, studs, nuts and washers for flanged connections for atomic power plants. Technical requirements. Acceptance. Test methods. Marking, packing, transportation and storage
GOST 7505-89: Steel stamping forgings. Tolerances, allowances and forging laps
GOST 9064-75: Nuts for flanged connections with medium temperature 0 to 650 °C. Types and main dimensions
GOST 9065-75: Washers for flanged connection with medium temperature 0 to 650 °C. Types and general sizes
GOST 9066-75: Studs for flanged connections with medium temperature 0 °C to 650 °C. Types and main dimensions
OST 108.030.113-87: Carbon and alloy steel forgings for thermal and nuclear power stations equipment and pipelines. Technical specifications.
OST 108.030.124-85: Details and prefabricated units made of pearlitic steels for pipelines with environment pressure P>2.2 MPa (22 kg/cm2) in nuclear power plants. General Specifications.
The Document is Referenced By:
RD EO 0198-2000: Maintenance and repair of NP systems and equipment. Assembly of flange connections. General technical requirements
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