Product: Stainless Steel Long Weld Neck Flange.
Type: Weld Neck Flange.
Materials: ASTM A182, Stainless Steel.
Grades: F316, F316L, F316H, F310, F321.
Standards: JIS B2312.
Pressure: 150LB-2500LB.
Size: 1/2-56 Inch (DN15-DN1400).
Nominal Pipe Size |
Outside Diameter |
Thickness of Flange Min. |
O.D. of Raised Face |
Hub Diameter at Bevel |
Diameter of Bore |
Length Through Hub |
Diameter of Bolt Circle |
Number of Holes |
Diameter of Holes |
O |
C |
R |
A |
B |
H |
H1 |
BC |
d |
1" |
149. 5 |
28.6 |
50.8 |
52.4 |
25.4 |
228. 6 |
304. 8 |
101. 6 |
4 |
25.5 |
1-1/4" |
159. 0 |
28.6 |
63.5 |
63.5 |
31.8 |
228. 6 |
304. 8 |
111. 1 |
4 |
25.5 |
1-1/2" |
178. 0 |
31.8 |
73 |
69.9 |
38.1 |
228. 6 |
304. 8 |
123. 8 |
4 |
28.5 |
2" |
216. 0 |
38.1 |
92.1 |
104. 8 |
50.8 |
228. 6 |
304. 8 |
165. 1 |
8 |
25.5 |
2-1/2" |
244. 5 |
41.3 |
104. 8 |
123. 8 |
63.5 |
228. 6 |
304. 8 |
190. 5 |
8 |
28.5 |
3" |
241. 5 |
38.1 |
127. 0 |
127. 0 |
76.2 |
228. 6 |
304. 8 |
190. 5 |
8 |
25.5 |
4" |
292. 0 |
44.5 |
157. 2 |
158. 7 |
101. 6 |
228. 6 |
304. 8 |
235. 0 |
8 |
31.8 |
5" |
349. 5 |
50.8 |
185. 7 |
190. 5 |
127. 0 |
228. 6 |
304. 8 |
279. 4 |
8 |
35.1 |
6" |
381. 0 |
55.6 |
215. 9 |
235. 0 |
152. 4 |
228. 6 |
304. 8 |
317. 5 |
12 |
31.8 |
8" |
470. 0 |
63.5 |
269. 9 |
298. 5 |
203. 2 |
228. 6 |
304. 8 |
393. 7 |
12 |
38.1 |
10" |
546. 0 |
69.9 |
323. 9 |
368. 3 |
254. 0 |
228. 6 |
304. 8 |
469. 9 |
16 |
38.1 |
12" |
609. 5 |
79.4 |
381. 0 |
419. 1 |
304. 8 |
228. 6 |
304. 8 |
533. 4 |
20 |
38.1 |
14" |
641. 5 |
85.7 |
412. 8 |
450. 9 |
355. 6 |
228. 6 |
304. 8 |
558. 8 |
20 |
41 |
16" |
705. 0 |
88.9 |
469. 9 |
508. 0 |
406. 4 |
228. 6 |
304. 8 |
616. 0 |
20 |
44.5 |
18" |
787. 5 |
101. 6 |
533. 4 |
565. 2 |
457. 2 |
228. 6 |
304. 8 |
685. 8 |
20 |
50.8 |
20" |
857. 5 |
108. 0 |
584. 2 |
622. 3 |
508. 0 |
228. 6 |
304. 8 |
749. 3 |
20 |
54 |
24" |
1014.5 |
139. 7 |
692. 2 |
749. 3 |
609. 6 |
228. 6 |
304. 8 |
901. 7 |
20 |
66.5 |