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Pooja Steel India

Pooja Steel India

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Plate Flange

Plate flanges are a versatile and cost-effective solution for connecting pipes in various industrial applications. Made from a flat plate of metal, they are machined to form a flange with a bored center for easy pipe attachment. Plate flanges are secured through welding on both the inside and outside of the flange, ensuring a strong and leak-proof connection.

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Description

Plate Flange Standard Specifications
SpecificationDescription
Dimension StandardANSI B16.5, MSS SP44, Custom Drawings
Size Range1/2″ to 48″
Pressure Classes150 LBS to 2500 LBS
DIN StandardsDIN2527, DIN2642, DIN2635, DIN2638, DIN2673
BS StandardsBS4504, PN6 to PN40
API StandardsPSI-2000/3000/5000/10000
JIS Standards2220-2004 5k/10k/16k
Flange Face TypesFF (Flat Face), RF (Raised Face), RTJ (Ring Type Joint)
Plate Flange Material & Grades

Plate flanges are available in a variety of materials and grades to suit different pressure and temperature requirements. Here are some common options:

  • Stainless Steel: ASTM A 182, A 240 (See grades below – 304, 316, 321, 347, 904L)
  • Duplex & Super Duplex Steel: ASTM / ASME A/SA 182 F 44, F 51, F 53, F 55, F 60, F 61
  • Carbon Steel: ASTM / ASME A/SA 105, A 350, A 181 LF 2, A516 Gr.70, A36, A694 (**Cost-effective option for low-pressure applications**)
  • Low Temp Carbon Steel: ASTM A350 LF2, LF3
  • Alloy Steel: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F22, F91
  • Copper Alloy Steel: ASTM SB 61, SB62, SB151, SB152
  • Nickel Alloy: ASTM SB564, SB160, SB472, SB162, etc.