Flange

Flange

  • Brandlanphan
  • ColorCustomized
  • OriginCustomized
  • Nominal diameterDN25~DN4000
Flange is the component used for pipe end connection, also for equipment connection. Flanges and its gasket, fastener, all called flange joint. Flange is widely used in engineering, it's the necessary part for pipe and valve. And industrial furnace, heating project, water treatment industries also use flanges.
DESCRIPTION

Flange is the component used for pipe end connection, also for equipment connection. Flanges and its gasket, fastener, all called flange joint. Flange is widely used in engineering, it's the necessary part for pipe and valve.


And industrial furnace, heating project, water treatment industries also use flanges. Forged steel, WCB, SS304, SS304L, SS316, SS316L, SS321, chromium-molybdenum steel, mo-ti steel, rubber lining, PTFE lining...can be used as flange material. Flange types includes flat flange, weld neck flange, socket flange, blind flange and screw flange,etc.

Flange
DETAILS
Flange

Various types, we accept custom-made.

Flange

Digital controlled lathe, accurate dimension, no flawless.

Flange

You can choose galvanization or coating.

SPECIFICATIONS
Nominal Pipe Size in. OD of Flange (A) in. ID of Flange (B‡) in. Number
of
Bolts
Diam. of Bolt Circle (c) in. Diam. of Bolts§ in. Class B
(T)
Class D (T)
4 9.00 4.57 8 7.50 0.625 0.625 0.625
5 10.00 5.66 8 8.50 0.750 0.625 0.625
6 11.00 6.72 8 9.50 0.750 0.688 0.688
8 13.50 8.72 8 11.75 0.750 0.688 0.688
10 16.00 10.88 12 14.25 0.875 0.688 0.688
12 19.00 12.88 12 17.00 0.875 0.688 0.812
14 21.00 14.19 12 18.75 1.000 0.688 0.938
16 23.50 16.19 16 21.25 1.000 0.688 1.000
18 25.00 18.19 16 22.75 1.125 0.688 1.062
20 27.50 20.19 20 25.00 1.125 0.688 1.125
22 29.50 22.19 20 27.25 1.250 0.750 1.188
24 32.00 24.19 20 29.50 1.250 0.750 1.250
26 34.25   24 31.75 1.250 0.812 1.312
28 36.50   28 34.00 1.250 0.875 1.312
30 38.75   28 36.00 1.250 0.875 1.375
32 41.75   28 38.50 1.500 0.938 1.500
34 43.75   32 40.50 1.500 0.938 1.500
36 46.00   32 42.75 1.500 1.000 1.625
38 48.75   32 45.25 1.500 1.000 1.625
40 50.75   36 47.25 1.500 1.000 1.625
42 53.00 36 49.50 1.500 1.125 1.750
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