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OST
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OST 26-03-1021-79
Air turbo-refrigerating machines. Test pressure. Density tests. Technical requirements.
OST 26-03-1031-79
Preservation of machinery, equipment, tools and spare parts in the sub-sector of Refrigeration Engineering
OST 26-03-2011-79
Assemblies and engines, stationary, for single-stage compressor refrigeration. General specification
OST 26-03-2012-79
Condensing and compression unit with piston compressors. Types and main parameters.
OST 26-03-2014-79
Collectors of refrigerating units. General specification
OST 26-03-2015-79
Refrigeration equipment. Water-ammonia absorption machines units. General Specifications.
OST 26-03-2016-79
Condensers for air cooling with heat exchange surface up to 400 m2. Types and main parameters.
OST 26-04-2159-79
System of labour safety standards. Equipment operating with gaseous oxygen. General safety requirements
OST 26-04-2384-79
Transportation plugs for working P 0 MPa (0 kg/cm2). Design and dimensions.
OST 26-04-2385-79
Transportation plugs for working P 0 MPa (0 kg/cm2), working P 0.04 MPa (0.4 kg/cm2). Design and dimensions.
OST 26-04-2386-79
Lugged transportation plugs for working P 0 MPa (0 kg/cm2). Design and dimensions.
OST 26-04-2387-79
Steel plugs to test vessels and apparatus for Py 0.1 MPa (1 kg/cm2), Py 0.6 MPa (6 kg/cm2). Design and dimensions.
OST 26-04-2388-79
Welding by melting of the steels. Welded connections. Types, constructive elements and dimensions.
OST 26-04-2389-79
Welding by melting of non-ferrous metals. Welded connections. Types, constructive elements and dimensions.
OST 26-04-2390-79
Vacuum equipment. Methods for determining the service life and operational life
OST 26-04-2391-79
Comprehensive system of quality management. Managing reliability of products. Procedure for selection of factors influencing the reliability of goods. Expert method.
OST 26-04-2392-79
Parts and assembly units of the machining tools (limitation of GOST 13440-68, GOST 13441-68, GOST 13442-68, GOST 4743-68, GOST 4084-68, GOST 4740-68, GOST 13159-67 etc.)
OST 26-04-2526-79
Parts and assembly units for mechanization of mounting of machined parts (limitation of GOST 13956-74, GOST 13954-74, GOST 13974-74)
OST 26-04-2562-79
Parts and assembly components of machine tool accessories. Technical requirements
OST 26-04-2563-79
Labour safety standard system. Cryogenic product equipment. Protection against static electricity. General safety requirements.
OST 26-04-2565-79
Connecting elements of vacuum systems. Parts of choke-nipple joints with a rubber seal
OST 26-04-480-79
Contact welding. Welded connections. Types, constructive elements and dimensions.
OST 26-04-538-79
Air separation plants. General requirements for assembly
OST 26-05-1318-79
Taps "Oxygen", "Acetylene", "Combustible gas", "Oxygen for cutting" for cutters "Mayak". Design and dimensions
OST 26-05-2005-79
Links of nipple-coupling types. General specification
OST 26-05-681-79
Tap "Acetylene" for manual welding torches type G2, G3. Design and dimensions
OST 26-06-1161-79
Three-phase asynchronous squirrel-cage water-filled submersible electric motors. General specifications.
OST 26-06-2007-79
Rubber and metal radial bearings. Specifications
OST 26-06-2008-79
Rubber and metal axial bearings. Specifications
OST 26-06-2010-79
The system of indicators of product quality. End seals of pumps. Nomenclature of indices
OST 26-06-2011-79
Pumping equipment. General requirements for exporting.
OST 26-06-2014-79
Piston pumps, with capacity of up to 25 watts. Program and methods of input control.
OST 26-06-2015-79
Dynamic horizontal overhung pumps. Standardized components. Support bracket. Specifications.
OST 26-07-1238-79
Pipeline accessories. Methods of calculating the coefficients of hydraulic resistance
OST 26-07-1239-79
Shutoff valves, steel, with electric drive for the PN 40 kgf/cm2. Specifications
OST 26-07-2010-79
gland Seals for pipeline armature. Tightness norms.
OST 26-07-2011-79
Safety valves. Basic terms and definitions.
OST 26-07-2012-79
Control valves. Main terms and definitions
OST 26-07-2014-79
Pipeline fittings. Tightness test with air and water (instead of helium, freon, kerosene).
OST 26-07-2015-79
The methodology for thermal calculation of valves with radiation-convective heat exchange on the outer surface for environments with temperatures ranging from 423 to 873 ° K (140 to 600 ° C) at steady-state conditions
OST 26-07-2016-79
Cast-iron pipeline fittings for operation in the conditions of negative temperatures. Grades of materials.
OST 26-07-2017-79
Platter units with rolling bearings for pipeline valves. Design and dimensions
OST 26-07-2018-79
Calculation of the temperature condition of valves (gates) in transient operating conditions
OST 26-07-2020-79
Node Friction rod bushing. Design and dimensions.
OST 26-07-2021-79
Accelerated life tests of pipefittings for durability. Basic principles of acceleration.
OST 26-07-2022-79
Plugs for ball valves. Main dimensions and technical requirements
OST 26-07-274-79
Seals of paronite. Dimensions
OST 26-07-338-79
The adhesive mixes used in the pipeline fitting. Brands and main parameters. Conditions for application
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