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1930s (86)
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OST

1970

OST 26-04-70-70
OST 26-04-70-70
Skid grates. Structural elements
OST 26-04-71-70
OST 26-04-71-70
Bushing tees, welded, of stainless steel. Design and dimensions
OST 26-04-72-70
OST 26-04-72-70
Bushing tees, welded, of carbon steel. Design and dimensions
OST 26-04-73-70
OST 26-04-73-70
Bushing tees, welded. Technical requirements
OST 26-04-74-70
OST 26-04-74-70
Tees with equal diameters, welded, of brass. Design and dimensions
OST 26-04-75-70
OST 26-04-75-70
Transitional nuts for instruments. Design and dimensions
OST 26-04-76-70
OST 26-04-76-70
Handles. Design and dimensions
OST 26-04-77-70
OST 26-04-77-70
Handles. Design and dimensions
OST 26-04-78-70
OST 26-04-78-70
Handles. Design and dimensions
OST 26-04-79-70
OST 26-04-79-70
Range of pipes for pipelines
OST 26-04-80-70
OST 26-04-80-70
Flanges with connection lug welded of flat steel for PN 0.25; 0.6; 10; 1.6 MPa (2.5; 6.0; 10.0; 16.0 kgf / cm2). Design and dimensions. (limitation of GOST 12820-80)
OST 26-04-81-70
OST 26-04-81-70
Flanges with lug or trough, butt-welded of steel for PN 4.0; 6.3 MPa (40 63 kgf/cm2). Design and dimensions (limitation of GOST 12821-80)
OST 26-04-82-70
OST 26-04-82-70
Plugs with steel flange and connecting lug for PN 0.6; 10; 1.6 MPa (6, 10 and 16 kgf/cm2). Design and dimensions (limitation of GOST 12836-67)
OST 26-04-83-70
OST 26-04-83-70
Plugs with lug, steel, flanged, for PN 4.0; 6.4 MPa (40 and 64 kg/cm2). Design and dimensions (limitation of GOST 12837-67)
OST 26-04-86-70
OST 26-04-86-70
Nozzles. Design and dimensions
OST 26-04-87-70
OST 26-04-87-70
Lens seal tight for PN 200 kgf/cm2. Design and dimensions (limitation of GOST 10493-75)
OST 26-04-89-70
OST 26-04-89-70
Steel flanges threaded for PN 200 kgf/cm2. Design and dimensions
OST 26-04-99-70
OST 26-04-99-70
Parts for fastening of a rod with a slide valve. Design and dimensions
OST 26-06-1-70
OST 26-06-1-70
Hydrostatic bearings for sealed electric pumps. General technical requirements
OST 26-06-218-70
OST 26-06-218-70
Units with rotary pumps. Legend
OST 26-06-223-70
OST 26-06-223-70
Axial submersible pumps for water. The main parameters
OST 26-06-2-70
OST 26-06-2-70
Radial hydrodynamic bearings for sealed electric pumps. General technical requirements
OST 26-07-201-70
OST 26-07-201-70
Hot rolled steel. Types and sizes
OST 26-07-202-70
OST 26-07-202-70
Calibrated rolled steel. Types and sizes
OST 26-07-203-70
OST 26-07-203-70
Steel pipes. Types and sizes
OST 26-07-204-70
OST 26-07-204-70
Hot-rolled steel square. Types and sizes
OST 26-07-205-70
OST 26-07-205-70
Bright drawn steel for pins. Types and sizes
OST 26-07-206-70
OST 26-07-206-70
Hex steel. Types and sizes
OST 26-07-207-70
OST 26-07-207-70
Steel rolling corner isosceles. Types and sizes
OST 26-07-208-70
OST 26-07-208-70
Rolled steel. Channel bars. Types and sizes
OST 26-07-209-70
OST 26-07-209-70
Rolled Steel Sheet. Types and sizes
OST 26-07-210-70
OST 26-07-210-70
Strips. Types and sizes
OST 26-07-211-70
OST 26-07-211-70
Rolled non-ferrous metals. Types and sizes
OST 26-07-212-70
OST 26-07-212-70
Non-ferrous pipes. Types and sizes
OST 26-07-213-70
OST 26-07-213-70
Brass sheets and strips. Types and sizes
OST 26-07-234-70
OST 26-07-234-70
Non-metallic materials for pipeline valves operating in a tropical climate
OST 26-07-259-70
OST 26-07-259-70
Valves and solenoid distribution valves. Types and main parameters.
OST 26-07-261-70
OST 26-07-261-70
Breaking membrane gate. The main parameters
OST 26-07-263-70
OST 26-07-263-70
Locking devices for pressure gauges. The main parameters
OST 26-07-264-70
OST 26-07-264-70
Thermodynamic steam traps. The main parameters
OST 26-07-265-70
OST 26-07-265-70
The grooves in the slide of pipeline valves for Pw up to 200 kgf/cm2. Dimensions
OST 26-07-266-70
OST 26-07-266-70
Fasteners. The types and limitations.
OST 26-07-267-70
OST 26-07-267-70
Taps. Types and main parameters.
OST 26-07-268-70
OST 26-07-268-70
Electric actuators. Types and main parameters.
OST 26-07-269-70
OST 26-07-269-70
Cryogenic gate valves and check valves. The main parameters
OST 26-07-2-70
OST 26-07-2-70
Preservation of pipeline valves for general use
OST 26-07-271-70
OST 26-07-271-70
Heat treatment of parts and assemblies of pipeline valves of corrosion-resistant austenitic steels, and austenitic-ferritic grades of steel
OST 26-07-272-70
OST 26-07-272-70
Heat treatment of parts and assemblies of pipeline valves of corrosion resistant steels of martensitic, ferritic-martensitic and ferritic grades of steel

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