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Flange 150 RU 16 – INTER TREJD ZAPChAST,OOO | all.biz
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Flange 150 RU 16

Flange 150 RU 16

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Technical characteristics
  • Flange typeFlat
  • MaterialSteel
Description
Flange 150 RU 16

Technical characteristics of flanges:

Flanges have to be produced with sealing surfaces of executions 1., 2., 3, and connecting sizes in accordance with GOST 12815-80. Production of flanges with sealing surfaces of executions 4 is allowed., 5., 8. and 9. An identification number at the order of a round steel flat welded flange of Dy of 50 mm for Py of 1.0 MPAS (10 kgfs/cm2) from steel 25, execution 1 (with a connecting ledge):
Maximum deviations of the sizes: Dn-on H 14 (when receiving by stamping - on class state standard specification 7505-98) Yu and also produced by method are flexible b-for stamped flanges from strip hire with the subsequent welding of a joint and is hotter a rikhtovka - on GOST 7505-89 T4 accuracy class. At the same time strengthening of a seam which when determining maximum deviation is not considered Flanges flat steel GOST 12822-80 is allowed
The present standard extends to steel flanges of pipelines and connecting parts of cars, branch pipes of devices and tanks, free on a welded ring, on Py from 0.1 to 2.5 MPas (from 1 to 25 kgfs/cm2) and temperature of Wednesday from 243 to 573 To (from minus 30 to plus 300 C).
Rings have to be produced with sealing surfaces of executions 1., 2., 3 and connecting sizes in accordance with GOST 12815-80. Production of rings with sealing surfaces of executions 4, 5, 8 and 9 is where technically justified allowed.

Flanges are steel flat

Round steel free flange of Dy of 500 mm on Py of 0.6 MPas (6 kgfs/cm2) from steel St3sp:
Flanges steel are the metal details used for connection of a pipe as with the equipment, and among themselves. The disk with openings into which insert bolts for connection is a steel flange.
Flanges steel flat welded are made in accordance with GOST 12820-80, have a wide line of diameters from 15 to 800 mm. Steel flanges work at a temperature from minus 70 to plus 300 degrees and with a pressure up to 25 MPAS. By production steel flat flanges use various brands of steel:

20, 25 in accordance with GOST 1050-88;
09G2S in accordance with GOST 19281-89;
St3sp not below the 2nd category in accordance with GOST 380-94;
12X18H9T in accordance with GOST 7769-82.
10G2 in accordance with GOST 4543-71;
15X5M in accordance with GOST 4543-71.
When using in production of flanges flat various troubles of steel are used, temperature of application of details changes:

St3sp, 20, 25 - from minus 30 to plus 300;
09G2S, 10G2 - from minus 70 to plus 300;
15X5M, 12X18H9T - from minus 40do plus 300.
Flanges steel flat are made with sealing surfaces of executions 1, 2, 3, 4, 5, 8, 9 connecting sizes in accordance with GOST 12815-80. An identification number of a flange of steel flat welded execution 1 (with a connecting ledge), Du of 200 mm, to Ru 0,25 MPas (2,5 kgfs/cm 2) from steel 09G2S in accordance with GOST 12820-80: Flange 1-200-2,5-09G2S-GOST 12820-80. Flat welded flanges in accordance with GOST 12820-80 12821 80.

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Flange 150 RU 16
Flange 150 RU 16
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