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OST

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OST 26-02-2067-83

Fittings with steel neck welded flanges with flange or cavity. Design and dimensions.

OST 26-02-2068-83

Fittings with steel neck welded flanges with tenon or slot. Design and dimensions.

OST 26-02-2069-83

Fittings with steel neck welded flanges under oval gasket. Design and dimensions.

OST 26-02-2070-83

Adapters for vessels and welded steel apparatus. Technical requirements .

OST 26-02-2071-83

Heavy fittings with connection flange. Design and dimensions.

OST 26-02-2072-83

Heavy fittings with flange or cavity. Design and dimensions.

OST 26-02-2073-83

Heavy fittings with tenon or slot. Design and dimensions.

OST 26-02-2074-83

Heavy fittings for under oval gasket. Design and dimensions.

OST 26-02-2075-83

Connecting branch. Design and dimensions.

OST 26-02-2076-83

Heavy fittings for welded steel vessels and equipment. Technical requirements .

OST 26-02-2078-83

Quality indicator system. Oil and gas processing equipment. Product indicators.

OST 26-02-2079-83

Bellows-sealed compensators. Technical conditions.

OST 26-03-2022-83

Machinery stationary, for single-stage compression refrigeration with cooling liquid refrigerants and nominal capacity of compressors from 120 to 450 kW. Types and main parameters. Technical requirements

OST 26-03-2024-83

Refrigerating equipment. Air coolers. Types and main parameters.

OST 26-03-2026-83

Devices of air turborefrigeration machines. Technical requirements.

OST 26-03-2027-83

Refrigerating equipment. Two-stage ammonia compressor aggregates. Types and main parameters.

OST 26-03-2028-83

Refrigerating screw compressors. Technical requirements. Test methods

OST 26-03-2030-83

Refrigeration equipment. Rules of recording transactions and transitions of testing processes.

OST 26-03-2031-83

Refrigerating equipment. The rules for calculating the strength of steel units with cylindrical shells and convex heads

OST 26-03-2032-83

Piston compressors without crosshead with cooling capacities from 3.5 to 270 kW (3,000 to 220,000 kcal). Reliability. Standards of durability and reliability

OST 26-04-2600-83

Cryogenic vacuum equipment. General specifications.

OST 26-04-2601-83

Joints, steel-aluminium, extruded. Types, design and dimensions

OST 26-04-312-83

Degreasing methods. General requirements for technological process.

OST 26-05-680-83

Taps for manual burner type G2, G3 and cutters type P2, P3, PB2. Design and dimensions. General technical requirements

OST 26-06-2010-83

Quality indicator system. Face seal of pumps. Product indicators.

OST 26-06-2021-83

Submersible pumps of type AHP for chemical industry. The main parameters

OST 26-06-2022-83

Unified system of corrosion and aging protection. Electric pump units. Temporary corrosion protection. General technical requirements

OST 26-07-2053-83

Wedged valves. Design of valves with a seal made of PTFE-4. Technical requirements.

OST 26-07-2054-83

Pipeline fittings. Building up sealing surfaces of details with УОНИ-13/Н1-БК grade electrodes. Technical requirements.

OST 26-07-2055-83

Pipeline fittings. Bonderization of details from carbon steel and cast iron. Technological process.

OST 26-07-2056-83

Pipeline accessories. Seals made of polycarbonate resin "DIFLON." Design and main dimensions

OST 26-07-2057-83

Pipeline fittings. Unit reliability indicators.

OST 26-07-2058-83

Special-purpose small-size fittings. Chemical nickel plating of products. Technical requirements.

OST 26-07-2059-83

Pipeline fittings. Regulating butterfly gates. Construction length.

OST 26-07-2060-83

Shutoff pipeline valves. Change of tightness degree of locks depending on operation conditions and in the process of operation.

OST 26-07-2061-83

Pipeline fittings. Maintainability indicators.

OST 26-07-2062-83

Special-purpose small-size fittings. Friction pair materials. Technical requirements.

OST 26-07-402-83

Steel castings for pipeline fittings and driving gears to it. General specifications.

OST 26-07-420-83

Pipeline fittings. Torques on flywheels (steering wheels), double-arm and single-arm handles (keys).

OST 26-08-1476-83

mixing Devices for masses pools. Main parameters.

OST 26-08-2008-83

Low-pressure batches. Main data.

OST 26-08-2058-83

The procedure for coordination and approval by the customer of guaranteed and actual economic effect

OST 26-08-2059-83

Paper-machine calendars. Structural elements. Design and dimensions.

OST 26-08-2060-83

Automatic felt guides. Construction and dimensions.

OST 26-08-2061-83

felt stretchers. Construction and dimensions.

OST 26-08-514-83

Reservoirs for mass with high concentration. Main parameters.

OST 26-08-658-83

Driving gear protections. Coupling guard. Design and dimensions.

OST 26-08-659-83

Driving gear protections. Shafts fencing. Design and dimensions.

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