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        Описание

        Welded straight and reducing tees

        • OST 36-24-77 Welded carbon steel pipeline parts Dnominal 500 - 1400 mm, Рnominal ≤ 2.5 MPa (≈ 25 kgf/cm2). Welded tees;
        • OST 36-46-81 Carbon steel pipeline parts, welded and bent, Dnominal up to 500 mm, Pnominal up to 10 MPa (100 kgf/cm2). Welded tees;
        • OST 34.10.433-90 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), t ≤ 300 °С. Reducing tees with reinforced chokes;
        • OST 34.10.510-78 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т ≤ 300 °С. Welded straight tees;
        • OST 34.10.511-90 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т ≤ 300 °С. Welded reducing tees;
        • OST 34.10.512-90 Parts and assembly units of thermal power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т ≤ 300 °С. Welded straight tees with cover plates;
        • OST 34.10.513-90 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т ≤ 300 °С. Welded straight tees with cover plates;
        • OST 34.42.674-84 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т≤ 350 °C. Reducing tees with reinforced chokes;
        • OST 34.10.675-84 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т≤ 350 °C. Welded straight tees;
        • OST 34.10.676-84 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т≤ 350 °C. Welded reducing tees;
        • OST 34.10.762-97 Parts and assembly units of thermal power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), t ≤ 425 °С. Welded straight tees;
        • OST 34.10.763-97 Parts and assembly units of thermal power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т ≤ 425 °С. Welded straight tees with cover plates;
        • OST 34.10.764-97 Parts and assembly units of thermal power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), t ≤ 425 °С. Welded reducing tees;
        • OST 34.10.765-97 Parts and assembly units of thermal power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), t ≤ 425 °С. Welded reducing tees with cover plates;
        • OST 34-42-678-84 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т≤ 350 °C. Welded reducing tees with cover plates;
        • TU 26-08-693-81 Welded pipes and pipeline parts;
        • TS-588.000 SB issue 1-95. Part 1. Welded reducing tee;
        • TS 589.000 SB issue 1-95. Part 2. Welded reducing tee with a cover plate;
        • TS 590.000 SB issue 1-95. Part 2. Welded straight tee.

        Machined tees made from forged or bulk formed pieces

        • GOST 22801-83 Assembly units and parts of pipelines. Straight and reducing tees with flanges, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22802-83 Assembly units and parts of pipelines. Straight tees with branch pipes and flanges, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22803-83 Assembly units and parts of pipelines. Asymmetric reducing tees with flanges, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22804-83 Assembly units and parts of pipelines. Reducing tees with flanges, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22806-83 Assembly units and parts of pipelines. Reducers with flanges, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22822-83 Assembly units and parts of pipelines. Reducing tees , Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22823-83 Assembly units and parts of pipelines. Straight tees with branch pipes, for a pressure from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22824-83 Assembly units and parts of pipelines. Asymmetric reducing tees, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • GOST 22825-83 Assembly units and parts of pipelines. Insert tees, Pnominal from over 10 to 100 MPa (from over 100 to 1000 kgf/cm2);
        • OST 34.10.432-90 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), t ≤ 300 °С. Drilled straight tees;
        • OST 34-42-673-84 Parts and assembly units of nuclear power plant pipelines with Poper. < 2.2 MPa (22 kgf/cm2), Т≤ 350 °C. Machined straight tees.
          • Stamped straight and reducing tees made from pipes

            • GOST 17376-01 Seamless welded pipeline parts made from carbon and low allow steel. Tees;
            • TU 26-18-38-90 Welded seamless pipelines parts made from steel 15Kh5M, 12Kh1MF, 12Kh18N10T or 08Kh22N6T.

            Tees for oil and gas industry and petrochemical industry:

            • stamped and forged welded TU 1469-032-04834179-2012 (steel 13KhFA, 09GSF, 20FA, 08KhMFChA, steel 20, 09G2S, etc.) for construction of oil and gas field surface facilities, TU 1469-019-04834179-2014 for transit and field pipelines, TU 1469-012-04834179-2008 for transit and field pipelines of PJSC "Gazprom", TU 1468-027-04834179-2015 for process pipelines of chemical, petrochemical, oil refinery and other industrial facilities, TU 14-1-5598-2011 for construction of oil field surface facilities;
            • stamped (seamless) TU 1469-010-04834179-2011 for transit and process oil pipelines and oil product pipelines of PJSC "Transneft";
            • forged welded TU 102-488-05, GazTU 102-488/1-05, TU 1469-030-04834179-2010, TU 1469-022-04834179-2011 for transit oil and gas pipelines.
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