ANSI 300LB TH 螺纹法兰属于美标法兰标准体系。是美标法兰(又称ANSI法兰)的其中一种表现形式,是设备或管道上常用的法兰。以下是ANSI 300LB TH 螺纹法兰中,相关压力下,各部位的全部尺寸及图示,以方便广大法兰从业者查询和参考。
ANSI 300LB TH 螺纹法兰 |
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压力 |
尺寸 |
外径 |
中心距 |
孔径 |
孔数 |
螺纹内径 |
盘高 |
凸台径 |
总高 |
水线径 |
水线高 |
RF单重 |
FF单重 |
ANSI 300LB TH 螺纹 法兰
|
1/2 |
95.2 |
66.5 |
15.7 |
4 |
17 |
14.2 |
38.1 |
22.4 |
35.1 |
1.6 |
0.67 |
0.74 |
3/4 |
117.3 |
82.6 |
19.1 |
4 |
22.5 |
15.7 |
47.7 |
25.4 |
42.9 |
1.6 |
1.15 |
1.25 |
|
1 |
123.9 |
88.9 |
19.1 |
4 |
29 |
17.5 |
53.8 |
26.9 |
50.8 |
1.6 |
1.42 |
1.53 |
|
1-1/4 |
133.3 |
98.6 |
19.1 |
4 |
37.5 |
19 |
63.5 |
26.9 |
63.5 |
1.6 |
1.75 |
1.88 |
|
1-1/2 |
155.4 |
114.3 |
22.4 |
4 |
43.5 |
20.6 |
69.85 |
30.2 |
73.15 |
1.6 |
2.58 |
2.75 |
|
2 |
165.1 |
127 |
19.1 |
8 |
55 |
22.3 |
84 |
33.2 |
91.9 |
1.6 |
3.05 |
3.2 |
|
2-1/2 |
190.5 |
149.4 |
22.4 |
8 |
71 |
25.4 |
100 |
38.1 |
104.6 |
1.6 |
4.45 |
4.66 |
|
3 |
209.5 |
168.1 |
22.4 |
8 |
83.5 |
28.4 |
117.3 |
42.9 |
127 |
1.6 |
6.14 |
6.37 |
|
3-1/2 |
228.6 |
184.2 |
22.4 |
8 |
96 |
30.2 |
133.3 |
44.4 |
139.7 |
1.6 |
7.74 |
8.02 |
|
4 |
254 |
200.1 |
22.4 |
8 |
108.5 |
31.7 |
146 |
47.7 |
157.2 |
1.6 |
10.12 |
10.47 |
|
5 |
279.4 |
234.9 |
22.4 |
8 |
134 |
35 |
177.8 |
50.8 |
185.7 |
1.6 |
13.05 |
13.44 |
|
6 |
317.5 |
269.7 |
22.4 |
12 |
159.5 |
36.5 |
206.2 |
52.3 |
215.9 |
1.6 |
16.81 |
17.28 |