ASME B16.5 WELDED NECK FLANGES

ASME B16.5 WELDED NECK FLANGES

[ AREAS-767 ]
ASME B16.5 WELDED NECK FLANGES

ASME B16.5 CARBON STEEL WELDED NECK FLANGES CLASS 1500

SPECIFICATIONS




▪  All dimensions are in inches
 
▪  These flanges will be furnished with a 1/4" raised face unless otherwise specified

▪  Flat face option available

Nominal
Pipe Size		Outside
Diameter 		Thickness Raised Face
Diameter		Length
Thru Hub		Point
of Weld		Hub
Diameter 		BoreApproximate 
Weight 		Bolt CircleNumber
of Holes		Diameter
of Holes
(O)(T) (R) (Y) (A)(X) (B)(lbs) (C)
1/24.75 0.88 1.38 2.38 0.84 1.50 Specified by
purchaser		53.25 40.88 
3/45.13 1.00 1.69 2.75 1.05 1.75 Specified by
purchaser		63.50 40.88 
15.88 1.13 2.00 2.88 1.32 2.06 Specified by
purchaser		94.00 41.00 
1 1/46.25 1.13 2.50 2.88 1.66 2.50 Specified by
purchaser		104.38 41.00 
1 1/27.00 1.25 2.88 3.25 1.90 2.75 Specified by
purchaser		134.88 41.13 
28.50 1.50 3.63 4.00 2.38 4.13 Specified by
purchaser		256.50 81.00 
2 1/29.63 1.63 4.13 4.06 2.88 4.88 Specified by
purchaser		367.50 81.13 
310.50 1.88 5.00 4.63 3.50 5.25 Specified by
purchaser		488.00 81.25 
412.25 2.13 6.19 4.88 4.50 6.38 Specified by
purchaser		739.50 81.38 
514.75 2.88 7.31 6.13 5.56 7.75 Specified by
purchaser		13011.50 81.63 
615.50 3.25 8.50 6.75 6.63 9.00 Specified by
purchaser		16512.50 121.50 
819.00 3.63 10.63 8.38 8.63 11.50 Specified by
purchaser		27515.50 121.75 
1023.00 4.25 12.75 10.00 10.75 14.50 Specified by
purchaser		45519.00 122.00 
1226.50 4.88 15.00 11.13 12.75 17.75 Specified by
purchaser		69022.50 162.13 
1429.50 5.25 16.25 11.75 14.00 19.50 Specified by
purchaser		94025.00 162.38 
1632.50 5.75 18.50 12.25 16.00 21.75 Specified by
purchaser		125027.75 162.63 
1836.00 6.38 21.00 12.88 18.00 23.50 Specified by
purchaser		162530.50 162.88 
2038.75 7.00 23.00 14.00 20.00 25.25 Specified by
purchaser		205032.75 163.13 
2446.00 8.00 27.25 16.00 24.00 30.00 Specified by
purchaser		332539.00 163.63 

STEEL WELDED NECK FLANGES include many types of standards and material. If according to standard to divide, which refer to ASME/ANSI B16.5, DIN AND JIS. If according to material to divide, which refer to carbon steel, stainless steel and alloy steel. And flanges also have many kinds of pressure.  ASME B16.5 CARBON STEEL WELDED NECK FLANGES CLASS 1500 Is just one kind of high pressure flange. 



ANSI/ASME B16.5 CLASS 600 WELDING NECK FLANGE

SPECIFICATIONS



▪  All dimensions are in inches
 
▪  These flanges will be furnished with a 1/4" raised face unless otherwise specified
 
▪  Flat face option available
 
▪  Standard Bore will be furnished unless otherwise specified

Nominal
Pipe Size		Outside
Diameter 		Thickness Raised Face
Diameter		Length
Thru Hub		Point of
Weld		Hub
Diameter 		BoreApproximate 
Weight 		Bolt CircleNumber
of Holes		Diameter
of Holes
(O)(T) (R) (Y) (A)(X) (B)(lbs) (C)
1/23.75 0.56 1.38 2.06 0.84 1.50 Specified by
purchaser		22.63 40.63 
3/44.63 0.63 1.69 2.25 1.05 1.88 Specified by
purchaser		43.25 40.75 
14.88 0.69 2.00 2.44 1.32 2.13 Specified by
purchaser		43.50 40.75 
1 1/45.25 0.81 2.50 2.63 1.66 2.50 Specified by
purchaser		63.88 40.75 
1 1/26.13 0.88 2.88 2.75 1.90 2.75 Specified by
purchaser		84.50 40.88 
26.50 1.00 3.63 2.88 2.38 3.31 Specified by
purchaser		125.00 80.75 
2 1/27.50 1.13 4.13 3.13 2.88 3.94 Specified by
purchaser		185.88 80.88 
38.25 1.25 5.00 3.25 3.50 4.63 Specified by
purchaser		236.63 80.88 
3 1/29.00 1.38 5.50 3.38 4.00 5.25 Specified by
purchaser		267.25 81.00 
410.75 1.50 6.19 4.00 4.50 6.00 Specified by
purchaser		428.50 81.00 
513.00 1.75 7.31 4.50 5.56 7.44 Specified by
purchaser		6810.50 81.13 
614.00 1.88 8.50 4.63 6.63 8.75 Specified by
purchaser		8111.50 121.13 
816.50 2.19 10.63 5.25 8.63 10.75 Specified by
purchaser		12013.75 121.25 
1020.00 2.50 12.75 6.00 10.75 13.50 Specified by
purchaser		19017.00 161.38 
1222.00 2.63 15.00 6.13 12.75 15.75 Specified by
purchaser		22519.25 201.38 
1423.75 2.75 16.25 6.50 14.00 17.00 Specified by
purchaser		28020.75 201.50 
1627.00 3.00 18.50 7.00 16.00 19.50 Specified by
purchaser		39023.75 201.63 
1829.25 3.25 21.00 7.25 18.00 21.50 Specified by
purchaser		47525.75 201.75 
2032.00 3.50 23.00 7.50 20.00 24.00 Specified by
purchaser		59028.50 241.75 
2234.25 3.75 25.25 7.75 22.00 26.25 Specified by
purchaser		72030.63 241.88 
2437.00 4.00 27.25 8.00 24.00 28.25 Specified by
purchaser		83033.00 242.00 
ANSI/ASME B16.5 CLASS 600 WELDING NECK FLANGE is one size of weld neck flange.  Weld neck flange can be produced with the size range from 1/2” to 60” according to different international standards.



ANSI/ ASME B16.5 CLASS 300 WELDING NECK FLANGE

SPECIFICATIONS



 ▪  All dimensions are in inches
 
▪  These flanges will be furnished with a 1/16" raised face unless otherwise specified
 
▪  Flat face option available
 
▪  Standard Bore will be furnished unless otherwise specified
Nominal
Pipe Size		Outside 
Diameter 		Thickness Raised Face
Diameter		Length 
Thru Hub		Point of
Weld		Hub
Diameter 		BoreApproximate Weight Bolt CircleNumber 
of Holes		Diameter 
of Holes
(O)(T) (R) (Y) (A)(X) (B)(lbs) (C)
1/23.750.561.382.060.841.500.6222.6340.63
3/44.630.631.692.251.051.880.8233.2540.75
14.880.692.002.441.322.131.0543.5040.75
1 1/45.250.752.502.561.662.501.3853.8840.75
1 1/26.130.812.882.691.902.751.6174.5040.88
26.500.883.632.752.383.312.0795.0080.75
2 1/27.501.004.133.002.883.942.47125.8880.88
3 8.251.135.003.133.504.633.07156.6380.88
3 1/29.001.195.503.194.005.253.55187.2580.88
410.001.256.193.384.505.754.03257.8880.88
511.001.387.313.885.567.005.05329.2580.88
612.501.448.503.886.638.136.074210.63120.88
815.001.6310.634.388.6310.257.986713.00121.00
1017.501.8812.754.6310.7512.6310.029115.25161.13
1220.502.0015.005.1312.7514.7512.0014017.75161.25
1423.002.1316.255.6314.0016.7513.2518020.25201.25
1625.502.2518.505.7516.0019.0015.2525022.50201.38
1828.002.3821.006.2518.0021.0017.2532024.75241.38
2030.502.5023.006.3820.0023.1319.2540027.00241.38
2233.002.6325.256.5022.0025.2521.2546529.25241.63
2436.002.7527.256.6324.0027.6323.2558032.00241.63 


ANSI/ASME B16.5 CLASS 150 WELDING NECK FLANGE

SPECIFICATIONS




 ▪  All dimensions are in inches
 
▪  These flanges will be furnished with a 1/16" raised face unless otherwise specified
 
▪  Flat face option available
 
▪  Standard Bore will be furnished unless otherwise specified
Nominal
Pipe Size		Outside
Diameter 		Thickness Raised Face
Diameter		Length
Thru Hub		Point of
Weld		Hub
Diameter 		BoreApproximate 
Weight 		Bolt CircleNumber
of Holes		Diameter
of Holes
(O)(T) (R) (Y) (A)(X) (B)(lbs) (C)
1/23.50 0.44 1.38 1.88 0.84 1.19 0.62 22.38 40.63 
3/43.88 0.50 1.69 2.06 1.05 1.50 0.82 22.75 40.63 
14.25 0.56 2.00 2.19 1.32 1.94 1.05 33.13 40.63 
1 1/44.63 0.63 2.50 2.25 1.66 2.31 1.38 33.50 40.63 
1 1/25.00 0.69 2.88 2.44 1.90 2.56 1.61 43.88 40.63 
26.00 0.75 3.63 2.50 2.38 3.06 2.07 64.75 40.75 
2 1/27.00 0.88 4.13 2.75 2.88 3.56 2.47 85.50 40.75 
37.50 0.94 5.00 2.75 3.50 4.25 3.07 106.00 40.75 
3 1/28.50 0.94 5.50 2.81 4.00 4.81 3.55 127.00 80.75 
49.00 0.94 6.19 3.00 4.50 5.31 4.03 157.50 80.75 
510.00 0.94 7.31 3.50 5.56 6.44 5.05 198.50 80.88 
611.00 1.00 8.50 3.50 6.63 7.56 6.07 249.50 80.88 
813.50 1.13 10.63 4.00 8.63 9.69 7.98 3911.75 80.88 
1016.00 1.19 12.75 4.00 10.75 12.00 10.02 5214.25 121.00 
1219.00 1.25 15.00 4.50 12.75 14.38 12.00 8017.00 121.00 
1421.00 1.38 16.25 5.00 14.00 15.75 13.25 11018.75 121.13 
1623.50 1.44 18.50 5.00 16.00 18.00 15.25 14021.25 161.13 
1825.00 1.56 21.00 5.50 18.00 19.88 17.25 15022.75 161.25 
2027.50 1.69 23.00 5.69 20.00 22.00 19.25 18025.00 201.25 
2229.50 1.81 25.25 5.88 22.00 24.25 21.25 22527.25 201.38 
2432.00 1.88 27.25 6.00 24.00 26.13 23.25 26029.50 201.38 
ANSI/ASME B16.5 CLASS 150 WELDING NECK FLANGE is the main type of American standard flanges which can be widely used for chemical, oil, gas, power, shipbuilding ect.


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