1981

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OST 26-05-1088-81
OST 26-05-1088-81
Chiseled tips of welding torches. Design and dimensions. General technical requirements
OST 26-05-348-81
OST 26-05-348-81
Typical connection of compound mixer with the body of the burner. Design and dimensions
OST 26-06-2016-81
OST 26-06-2016-81
Comprehensive system of quality management of products. Pumps. Test methods for reliability.
OST 26-06-2018-81
OST 26-06-2018-81
Dependability of products of chemical and petroleum engineering. Installation of submersible pumps. Method of statistical analysis of operational information.
OST 26-07-2019-81
OST 26-07-2019-81
Bellows from alloy VТ1-0. Specifications.
OST 26-07-2028-81
OST 26-07-2028-81
Surfacing the sealing surfaces of pipe with Э-20Х13type electrodes. Technical requirements.
OST 26-07-2029-81
OST 26-07-2029-81
Boss assembly and valve hand levels. Construction and basic dimensions. Technical requirements.
OST 26-07-2030-81
OST 26-07-2030-81
Ball valves and lifting-plug valves. Design and basic dimensions. Specifications.
OST 26-07-2031-81
OST 26-07-2031-81
Pipeline fittings. Acceptance sampling methods.
OST 26-07-2033-81
OST 26-07-2033-81
Pipeline fittings. Safety valves. Connection unit of disk and disk holder. Design and dimensions. Technical requirements.
OST 26-07-2034-81
OST 26-07-2034-81
Ball valves. Valve-closing units. Design and basic dimensions. Technical requirements.
OST 26-07-2035-81
OST 26-07-2035-81
Passivation of assemblies and valve parts of corrosion-proof steel and alloys. Typical technological processes.
OST 26-07-2037-81
OST 26-07-2037-81
Pipeline accessories. Shutoff valves with fittings on one axis forged and stamped. Method of calculation and design of flow parts
OST 26-07-2038-81
OST 26-07-2038-81
Electromagnetic valves. Double-terminal plate. Design and main dimensions. Technical requirements.
OST 26-07-2039-81
OST 26-07-2039-81
Pipeline accessories. Plain bearings made of composite materials. Design and dimensions
OST 26-07-2040-81
OST 26-07-2040-81
Pipeline Fittings. Abbreviated life tests. The general requirements to development of techniques of abbreviated tests.
OST 26-07-2041-81
OST 26-07-2041-81
Pipeline accessories. System for collecting and processing the statistical data on reliability
OST 26-07-2042-81
OST 26-07-2042-81
Pipeline fittings. Gates with sealing. Metal-to-metal. Design and dimensions. Technical requirements.
OST 26-07-2043-81
OST 26-07-2043-81
Pipeline fittings. Shutoff valves. Shapes and dimensions of flow channel of cast cases.
OST 26-08-2046-81
OST 26-08-2046-81
Heap balers. Design and dimensions. Technical requirements

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