DIN 86037 Flanges

DIN 86037 Flanges

Shihang DIN 86037 flanges is made of copper nickel collar , also named as copper nickel inner flanges , and carbon steel ( A105N with galv.) loose flanges.
Shihang has wide range size of DIN 86037 standard flanges , from DN 15 to DN 500. Pressure rate : 10 bar and 14 bar.
Shihang DIN 86037 flanges dimension is totally meet with the standard DIN 86037.

    DIN 86037 Flanges - Copper Nickel Collar

    Standard:DIN 86037

    Size:DN15-DN500

    Thickness and Pressure Rating:10bar , 14bar

    Material:Copper Nickel CuNi10Fe1,6Mn

    DIN 86037 Flanges Collar Dimension

    DIN 86037 Flanges - Carbon Steel Backing Flanges

    Standard:DIN 86037

    Size:DN15-DN500

    Thickness and Pressure Rating:10bar , 14bar

    Material:Carbon Steel A105N with Galv.

    DIN 86037 Flanges Loose Flange Dimension

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    DIN 86037 Standard Detail

    DIN 86037 Standard -1

    1 DIN 86037 Standard -1  Scope

    Composite weld neck flange connections made of copper nickel collar to DIN 86037-2 and loose flanges to DIN 87037-3 are used for copper nickel pipelines on ships.

    They are applicable for operating temperatures up to 120 ° C. The permissible operating pressure depends on the calculation for the respective copper nickel pipe and the nominal pressure level of the loose flanges.

    2 DIN 86037 Standard -1 Normative References

    DIN 86037 incorporates by dated or undated reference, provisions from other publications. These normative references are cited in the respective places in the text and the publications are listed below.

    In the case of dated references, later amendments or revisions of these publications belong only to this standard, if they have been incorporated by amendment or revision. For undated references, the latest edition of the publication referred to applies.

    DIN 2642: Loose Flanges – Nominal pressure 10

    DIN 2690:Flat seals for flanges with flat sealing surface – nominal pressure 1 to 40

    DIN 85004-2:Pipes made of copper-nickel alloys – Part 2: Fundamentals of design and manufacture, tests

    DIN 86018:Welded pipes made of wrought copper alloys

    DIN 86019:Tubes made of CuNi10Fe1.6Mn – seamless drawn for piping – Dimensions and permissible operating pressures

    DIN 86037-2:Loose flanges and pre-weld collars for copper-nickel alloy pipes – Part 2: Pre-welded collars

    DIN 86037-3:Loose flanges and weld-on collars for copper-nickel alloy pipes – Part 3: Loose flanges

    DIN EN 24016:Hex screws with shank – Product Class C (ISO 4016: 1988); German version EN 24016; 1991 DIN EN 24032

    Hex Nuts, Type 1 – Product Classes A and B (ISO 4032: 1986); German version EN 24032: 1991

    3 DIN 86037 Standard Allocation of Flanges and Collars

    3.1 DIN 86037 Standard Composite Weld Neck Flanges Fabrication

    Shihang DIN 86037 Composite weld neck flanges

    3.2 Seal

    For flat gaskets the dimensions according to DIN 2690 apply. However, asbestos-free gasket materials must be selected according to the operating conditions (media, pressures, temperatures, etc.).

    DIN 86037 – 2 Copper Nickel Collar Foreword

    DIN 86037 – 2 ( Copper nickel collar din 86037 pn10 and pn 16 ) has been prepared by the Standards Department Marine and Marine Engineering (NSMT) in the DIN.

    DIN 86037 – 2 ( Copper nickel collar din 86037 pn10 and pn 16 ) specifies pre-weld bundles for pipes according to  DIN 86019 copper nickel pipes  (DN 20 to DN 400) and DIN 86018 copper nickel welded pipes (DN 450 to DN 1200).

    Associated loose flanges are specified in DIN 86037-3, and DIN 86037-1 gives an overview of the complete copper nickel composite weld neck flange connection.

     

    1 DIN 86037 – 2 Copper Nickel Stub End Scope

    Copper nickel collar din 86037 pn10 and pn 16 , also named as copper nickel inner flange or copper nickel stub end ,  according to DIN 86037 are used in pipelines on ships.

    They serve together with loose flanges or backing flanges according to DIN 86037-3 for the connection of copper nickel pipes to DIN 86018 and DIN 86019 from CuNi10Fe1.6Mn.

    2 DIN 86037 – 2  Copper Nickel Collar Normative References

    This standard incorporates by dated or undated reference, provisions from other publications. These nor-mativen references are cited in the respective places in the text, and the publications are listed below.

    For dated references, subsequent changes or revisions to these publications are included in this standard only if incorporated in it by amendment or revision. For undated references, the latest edition of the referenced publication applies.

    DIN 86018:Welded pipes made of wrought copper alloys

    DIN 86019:Tubes made of CuNi10Fe1.6Mn – seamless drawn for piping – Dimensions and permissible operating pressures

    DIN 86028:Welding collars made of CuNi10Fe1,6Mn – technical delivery conditions

    DIN 86037-1:Loose flanges and pre-weld collars for copper-nickel alloy tubes – Part 1: Compilation

    DIN 86037-3:Loose flanges and weld-on collars for copper-nickel alloy pipes – Part 3: Loose flanges

    DIN ISO 2768-1:General tolerances – tolerances for length and angle dimensions without individual tolerance entry; Identical with ISO 2768-1: 1989

    WL 2.1972:Copper-nickel wrought alloy – CuNi10Fe1.6Mn –Pipes

    3 DIN 86037 – 2 Copper Nickel Stub End Dimension

    din 86037 coppe nickel collar drawing

     Detail X

    Finish of weld end for wall thickness

    <3 mm  no welding bevel

    ≧3mm and ≦5mm , α=30º+5º

    ﹥5mm , α=45º±2.5º

     

    DIN 86037 flanges dimensions

    4 DIN 86037 -2 Material

    Chemical composition according to WL 2.1972, strength according to DIN 86028.

    5 DIN 86037 -2  Marking

    Copper nickel welding collar are to be permanently marked with:

    – manufacturer name or manufacturer’s mark,

    – Standard main number,

    – Form Letter,

    – nominal diameter,

    – Dimensions of the welding end.

    DIN 86037-3 Carbon Steel Flanges Foreword

    DIN 86037 has been prepared by the Standards Department Marine and Marine Engineering (NSMT) in DIN, Working Committee NSMT 2.3.1 “Metallic pipes and pipe connections”.

    It specifies loose flanges for copper nickel collar according to DIN 86037-2.

    An overview of the complete composite weld neck flanges is given in DIN 86037-1.

     

    1 DIN 86037-3 Loose Flanges Scope

    Carbon steel loose flanges according to this standard are used for copper nickel pipelines on ships.

    They are used together with cunifer collars according to DIN 86037-2 for connecting copper nickel pipes according to DIN 86018 and DIN 86019 copper nickel pipes made of CuNi10Fe1.6Mn.

     

    2 DIN 86037 -3 Normative References

    This standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited in the respective places in the text and the publications are listed below. For dated references, subsequent changes or revisions to these publications are included in this standard only if incorporated by amendment or revision. For undated references, the latest edition of the referenced publication applies.

    DIN 2642

    Loose Flanges –  Nominal pressure 10

    DIN 2656

    Loose flanges – Smooth collars – Nominal pressure 40

    DIN 86018

    Welded pipes made of wrought copper alloys

    DIN 86019

    Tubes made of CuNi10Fe1.6Mn – seamless drawn for piping – Dimensions and permissible operating pressures

    DIN 86037-1

    Loose flanges and pre-weld collars for copper-nickel alloy tubes – Part 1: Compilation

    DIN 86037-2

    Loose flanges and pre-weld collars for copper-nickel alloy pipes – Part 2: Pre-welded collars

     

    3 DIN 86037 Backing Flanges Dimensions

    Dimensions in millimeters

    General tolerances: DIN 2519

    DIN 86037 backing flanges drawing

    DIN 86037 flange dimensions - backing flanges

     

    4  DIN 86037 Backing Flanges Material

    Carbon steel with galvanized with a minimum tensile strength Rm = 360 N / mm2

    5 DIN 86037 Backing Flanges Surface Protection

    Loose flanges can also be ordered with surface protection. The required information (eg standard, layer thickness) must be included in the designation.