ASME B16.36 Class 2500 Flanges

ASME B16.36 Class 2500 Orifice Weld Neck RF Flanges Dimensions and Technical Drawings

ASME B16.36 2500# Orifice Weld Neck RF Flanges

Get Complete details of ANSI/ASME B16.36 Standard Flange

2500# B16.36 Flanges Dimensions B16.36 Dimensions in MM

NPS DIA
RF		 OUT
SIDE
DIA		 MIN
THK
FLG		 HGT
FLG		 HUB
DIA		 HUB
DIA		 DIA OF
TAB
R O T H X A Tg
1 50.8 160 38.1 92 57 33.5 6.4
1½ 73.0 205 44.5 111 79 48.3 6.4
2 92.1 235 50.8 127 95 60.3 6.4
2½ 104.8 265 57.2 143 114 73.0 6.4
3 127.0 305 66.7 168 133 88.9 9.5
4 157.2 355 76.2 190 165 114.3 12.7
6 215.9 485 108.0 273 235 168.3 12.7
8 269.9 550 127.0 318 305 219.1 12.7
10 323.8 675 165.1 419 375 273.0 12.7
12 381.0 760 184.2 464 441 323.8 12.7
NPS BOLT
CIRCLE		 NO OF
BOLTS		 DIA OF
HOLES		 DIA
STUD
BOLTS		 STUD
BOLT
LENGTH
1 108.0 4 1 7/8 150
1½ 146.0 4 1¼ 1.1/8 180
2 171.4 8 1.1/8 1 185
2½ 196.8 8 1¼ 1.1/8 205
3 228.6 8 1.3/8 1¼ 230
4 273.0 8 1.5/8 1½ 260
6 368.3 8 2.1/8 2 350
8 438.2 12 2.1/8 2 385
10 539.8 12 2 5/8 2½ 490
12 619.1 12 2 7/8 2¾ 540

General Note:

  • Height of Raised Face (RF) in CLASS 2500 is 7 mm.
  • Dimensions are in millimeters, except for bolts and bolt holes.
  • Ring joint flanges larger than NPS 3 will require angular meter taps.
  • All other dimensions are in accordance with ASME B16.5.
  • Bolt lengths for raised face flanges include allowance for orifice and gasket thickness of 6 mm (0.25 in.) for NPS 1 to NPS 12. Bolt lengths for ring-type joint flanges include allowance of 15 mm (0.62 in.) for NPS 1 to NPS 3.
  • Other NPT sizes may be furnished if required.
  • The length of the Stud Bolt does not include the height of the chamfers (points).
  • Bore (B) is to be specified by the purchaser.

ASME B16.36 Class 2500 Flanges Industries and Applications Widely used in the industries

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

ASME B16.36 Class 2500 Flanges Supply and Export Network List of Cities and Countries

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