1970

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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

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