美标法兰标准

法兰标准：

ANSI B16.5, ANSI B16.47 Series A & B

150 Lb

300 Lb

600 Lb

900 Lb

Ring Joint Flanges Facing Dimension

材质：合金钢

ASTM A182 F1, F2, F5/A, F6/A, F9, F11, F12, F22, F91

双相钢/超级双相钢

ASTM A182 F51/UNS S31803, F53/UNS S32750, F55/UNS S32760, F44/UNS S31254, F49/UNS S24565无铁基合金

MONEL 400, INCONEL 600, INCONEL 625, INCOLOY 800, INCOLOY 82, ALLOY C276不锈钢

ASTM A182 F304/304L, F316/316L, F321

碳 钢

ASTM A105N, A350-LF2

规 格：1/2" to 60" NB

密 封 面：F.F., R.F., R.T.J.

品 种：高颈法兰，长高颈法兰，滑套法兰，盲法兰，平焊法兰，螺纹法兰，承插法兰，仪表法兰，8字盲法兰

管件标准：ANSI B16.9 & B16.28, MSS SP-75

材质：合金钢

ASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91

不锈钢

ASTM A403 WP304/304L, WP316/316L, WP321

碳 钢

ASTM A234 WPB; WPC, A420-WPL6

壁厚：Sch5S, 10S, 40S, 80S, Sch10～Sch160, XXS

DRILLIN

G Machine Bolt Length Welding Neck 对焊法兰Slip-on and Threaded 平焊法兰和螺纹连接法兰Lap Joint Blind Raised Face Raised Face Ring Joint kg kg kg kg 1/2

3.50.44 1.384 1/22 2.25-0.510.470.510.47 3/4

3.880.5 1.694 1/22 2.5-0.730.580.640.631

4.250.5624 1/2 2.25 2.53 1.070.860.930.941 1/4

4.620.62 2.54 1/2 2.25 2.75 3.25 1.4 1.08 1.16 1.231 1/2

50.69 2.884 1/2 2.5 2.75 3.25 1.81 1.41 1.51 1.622

60.75 3.624 5/8 2.75 3.25 3.75 2.59 2.26 2.38 2.642 1/2

70.88 4.124 5/83 3.54 4.28 3.43 3.6 4.063

7.50.9454 5/83 3.54 5.18 3.87 4.04 4.93 1/2

8.50.94 5.58 5/83 3.54 5.45 4.99 4.99 5.94

90.94 6.198 5/83 3.547.32 5.75 5.967.415

100.947.318 3/4 3.25 3.75 4.258.91 6.22 6.448.766

1118.58 3/4 3.254 4.511.267.387.5911.31813.5 1.1210.628 3/4 3.5 4.25 4.7517.6812.3612.6619.92

Nominal

Pipe Size

O.D. of Raised Face BOLTING APPROXIMATE WEIGHT

Number of Holes Diam. of Bolts Stud Bolt Length 双头螺栓Outside Diam.Thick-ness

10

16 1.1912.7512 7/84 4.5524.7917.116.7829.3912

19 1.251512 7/84 4.75 5.2538.9827.6828.343.714

21 1.3816.25121 4.5 5.25 5.7551.7135.241.559.4216

23.5 1.4418.5161 4.5 5.25 5.7564.4142.1852.9877.1118

25 1.562116 1 1/85 5.75 6.2574.8449.715994.820

27.5 1.692320 1 1/8 5.5 6.25 6.7589.3665.572.12123.382432 1.8827.2520 1 1/46 6.757.25119.6690.599.02188.24DRILLIN

G Machine

Bolt

Length

Welding Neck Slip-on and Threaded Lap Joint Blind Raised

Face

Raised Face Ring Joint kg kg kg kg 1/2 3.750.56 1.384 1/2 2.25

2.530.780.620.610.62 3/4 4.620.62 1.694 5/8 2.5

3 3.5 1.3

4 1.1

5 1.15 1.161 4.880.6924 5/8 2.5

3 3.5 1.6

4 1.39 1.38 1.421 1/4 5.250.7

5 2.54 5/8 2.75

3.25 3.75 2.06 1.67 1.66 1.791 1/2 6.120.81 2.884 3/43

3.54 3.06 2.53 2.52 2.682 6.50.88 3.628 5/83

3.54 3.4 2.8 2.79 3.092 1/27.51

4.128 3/4 3.25

4 4.

5 5.31 4.25 4.22 4.7538.25 1.1258 3/4 3.5

4.25 4.757.32

5.81 5.78

6.793 1/29 1.19 5.58 3/4 3.75

4.2558.177.727.729.53410 1.25 6.198 3/4 3.75

4.5511.310.1310.0712511 1.387.318 3/4 4.25

4.75

5.2515.1212.5812.5215.96612.5 1.448.512 3/4 4.25 4.75 5.519.681

6.0415.9521.2

Nominal Pipe Size Outside Diam.Thick-ness O.D. of Raised Face BOLTING

APPROXIMATE WEIGHT Number of Holes Diam. of Bolts Stud Bolt Length