1978

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OST 34-42-416-78
OST 34-42-416-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Pipe grades.
OST 34-42-417-78
OST 34-42-417-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Welded butt joints. Types and sizes.
OST 34-42-418-78
OST 34-42-418-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Knuckled branches. Construction and dimensions.
OST 34-42-419-78
OST 34-42-419-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Welded bends. Construction and dimensions.
OST 34-42-420-78
OST 34-42-420-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Curved branches. Construction and dimensions.
OST 34-42-421-78
OST 34-42-421-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Steeply bended pipes. Construction and dimensions.
OST 34-42-422-78
OST 34-42-422-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Seamless transitions. Construction and dimensions.
OST 34-42-423-78
OST 34-42-423-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Turned transitions. Construction and dimensions.
OST 34-42-424-78
OST 34-42-424-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Welded sheet transitions. Construction and dimensions.
OST 34-42-425-78
OST 34-42-425-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Flat welded flanges. Construction and dimensions.
OST 34-42-426-78
OST 34-42-426-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Flat welded flanges with edges. Construction and dimensions.
OST 34-42-427-78
OST 34-42-427-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Welded flanges edge-to-edge. Construction and dimensions.
OST 34-42-428-78
OST 34-42-428-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Flanged plugs with a connecting edge for Pnom <= 4 MPa (40 kg/cm2). Construction and dimensions.
OST 34-42-431-78
OST 34-42-431-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Bottom spacing rings for branches. Construction and dimensions.
OST 34-42-432-78
OST 34-42-432-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Internal flush-jointed drilled tees. Construction and dimensions.
OST 34-42-433-78
OST 34-42-433-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Transitional tees with a reinforced fitting. Construction and dimensions.
OST 34-42-438-78
OST 34-42-438-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Eccentric tees. Construction and dimensions.
OST 34-42-439-78
OST 34-42-439-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Fittings. Construction and dimensions.
OST 34-42-440-78
OST 34-42-440-78
Details and components of APP pipelines, P≤4 MPa (40 kg/cm2). Technical requirements.
OST 34-42-441-78
OST 34-42-441-78
Parts and components of pipelines Ru

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