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OST

1981

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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

Bellows from alloy VТ1-0. Specifications.

OST 26-07-2028-81

Surfacing the sealing surfaces of pipe with Э-20Х13type electrodes. Technical requirements.

OST 26-07-2029-81

Boss assembly and valve hand levels. Construction and basic dimensions. Technical requirements.

OST 26-07-2030-81

Ball valves and lifting-plug valves. Design and basic dimensions. Specifications.

OST 26-07-2031-81

Pipeline fittings. Acceptance sampling methods.

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

Ball valves. Valve-closing units. Design and basic dimensions. Technical requirements.

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

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

Electromagnetic valves. Double-terminal plate. Design and main dimensions. Technical requirements.

OST 26-07-2039-81

Pipeline accessories. Plain bearings made of composite materials. Design and dimensions

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

Pipeline accessories. System for collecting and processing the statistical data on reliability

OST 26-07-2042-81

Pipeline fittings. Gates with sealing. Metal-to-metal. Design and dimensions. Technical requirements.

OST 26-07-2043-81

Pipeline fittings. Shutoff valves. Shapes and dimensions of flow channel of cast cases.

OST 26-08-2046-81

Heap balers. Design and dimensions. Technical requirements

OST 26-08-310-81

Vortex cleaner units. The main parameters

OST 26-08-355-81

Press rolls. Types, main parameters and dimensions.

OST 26-08-813-81

Paper-machine calendars. Basic parameters and dimensions.

OST 26-09-1055-81

Selection of the nomenclature and numerical values of weightiness coefficients for complex indicators of quality in assessing technical level of products in polymer engineering.

OST 26-09-1277-81

Pressure hose pipe joint with threaded reinforcement unarmoured in compliance with GOST 10362-76 per pressure of 2.45 MPa (25 kgf/cm2). Construction and dimensions. Technical requirements.

OST 26-09-1478-81

Items of polymer machine building. Connections of the elements of air duct. Design and dimensions. Technical requirements

OST 26-09-1495-81

Vulcanizers for repairing local damage to the tires. General specification

OST 26-09-699-81

High pressure hose connections. Construction and dimensions. Technical requirements.

OST 26-09-918-81

Axis. Specifications

OST 26-10-2027-81

Cuffs, of rubber, reinforced for shafts. Specifications

OST 26-10-2030-81

Extruders screw-and-disc. Parameters. The main sizes.

OST 26-10-2031-81

Tablet machines. Types. Parameters

OST 26-10-2032-81

Automatic granule loader ZKV. Parameters

OST 26-10-2033-81

Granule dryers. Types, parameters

Vessels and apparatuses. Norms and methods for calculating the strength of the elements of heat exchangers

Conical, ellipsoidal and spherical joints for vessels and apparatus. Strength calculation procedures and norms.

OST 26-12-2027-81

Gear compressors. General specification

OST 26-12-2028-81

Gear compressors. Rules of acceptance and Test Methods

OST 26-12-2029-81

Reciprocating air compressors general purpose, stationary, with power rating less than 250 kW. Operability Control Program

OST 26-12-2030-81

Self-acting annular and disk valves for reciprocating compressors. Types, main parameters, design and dimensions

OST 26-14-2006-81

Quality indicator system. Gas-purifying and particle control equipment. Product indicators.

Dynamic pumps. Temporary corrosion protection. General technical requirements

OST 26-15-12-81

Process lines complete. Main terms and definitions

OST 26-16-1615-81

Packers for oil and gas wells. Types and main parameters.

OST 26-16-1616-81

Wellhead installations for separate production. Types and main parameters.

OST 26-16-1617-81

Downhole equipment for separate recovery of fluid from the oil wells with sucker rod pumps. Types and main parameters.

OST 26-16-1618-81

borehole Milling cutters. Classification.

OST 26-16-1619-81

Borehole milling cutters of type FZ. Specifications

Tools for expansion of pipes with diameter 10 - 38 mm to a depth of 100 - 500 mm. Design and dimensions

Filtering elements made of metallic powders. Specifications.

Metals. Methods for testing the resistance to hot cracking during welding

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