Stainless steel collar flanges AISI 321 (12Х18Н10Т) GOST 12821-80 Pn 10

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Stainless steel collar flanges AISI 321 (12Х18Н10Т) GOST 12821-80
Nominal diameter Price, UAH without VAT Availability in warehouse, pcs. Reserve, pcs. Weight, kg
DN 15 461.00 0 0 0.58
DN 20 580.00 0 0 0.87
DN 25 707.00 0 0 1.05
DN 32 1009.00 0 0 1.54
DN 40 1158.00 0 0 1.83
DN 50 1459.00 0 0 2.26
DN 65 1953.00 0 0 3.17
DN 80 2574.00 0 0 3.67
DN 100 3003.00 0 0 4.7
DN 125 4129.00 0 0 6.71
DN 150 5084.00 0 0 8.17
DN 200 7229.00 0 0 11.35
DN 250 10682.00 0 0 14.64
DN 300 13943.00 0 0 18.66
DN 350 19842.00 0 0 24.0
DN 400 28334.00 0 0 30.0
DN 500 36529.00 0 0 39.2
DN 600 52085.00 0 0 48.8

Stainless steel collar flanges PN 10, manufactured according to GOST 12821-80 standard of stainless steel AISI 321 (12Х18Н10Т), are designed for connecting pipelines, pipeline valves and equipment in high-pressure systems. Collar flanges have a special protrusion (collar) that ensures even distribution of the load on the connection.

Manufacturing material: Flanges are made of stainless steel AISI 321 (12Х18Н10Т). This material has high corrosion resistance due to the content of chromium (about 18%) and nickel (about 10%).

Application of collar flanges made of AISI 321 (12Х18Н10Т) stainless steel:

  • Used in the energy sector for steam pipelines and heat exchangers.
  • Used in the chemical industry for transporting aggressive substances.
  • Used in the oil and gas industry for working with oil, gas, and their derivatives.
  • Suitable for the pharmaceutical industry due to the high corrosion resistance and hygiene of the material.

Advantages:

  • High connection reliability due to the neck design.
  • Resistance to deformation under high loads and pressures.
  • Durability even under the influence of aggressive chemicals or extreme temperatures.
DN D1 b Z-Ød
15 65 12 10 4-12
20 75 18 12 4-12
25 85 25 12 4-12
32 100 31 13 4-16
40 110 38 13 4-16
50 125 49 13 4-16
65 145 66 15 4-16
80 160 78 15 4-16
100 180 96 17 8-16
125 210 121 19 8-16
150 240 146 19 8-20
200 295 202 19 8-20
250 350 254 21 12-20
300 400 325 22 12-20
350 460 303 22 16-20
400 515 398 22 16-24
500 620 501 24 20-24
600 725 602 24 20-27
Parameter name Indicator
Nominal pressure PN, MPa (kgf/cm²) 1.0 (10)
Connection type приварной встык
Design features воротниковый
Execution 1
Working environment water, petroleum products, acid, alkali, aggressive liquids
Maximum working environment temperature, °C 450
Description Material
Flange AISI/SS 321 (12Х18Н10Т)

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