Stainless welding neck flanges 600 lbs

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ASTM A182, ASME B16.5
Sch 40S / 80S

Raised face, smooth finish (125-250 RMS / 3.2-6.3 µm)

● = Sch 40S
▲ = Sch 80S

Product code examples:

●: FFWN-F51-2-600-40S
▲: FFWN-316L-4-600-80S

Pipe Flange Hub Raised face Drilling template Weight Stock standard
Nom.
size
O.D.1 D J b h a m g l k No. of
holes
kg/pce ASTM
304L
ASTM
316L
in. mm mm mm mm mm mm mm mm mm mm
1/2
3/4
1
1 ¼
21.3
26.7
33.4
42.2
95.3
117.3
124
133.4
13.8
18.9
24.3
32.7
14.2
15.7
17.5
20.6
52.3
57.2
62
66.5
21.3
26.7
33.4
42.2
38.1
47.8
53.8
63.5
35.1
42.9
50.8
63.5
15.7
19.1
19.1
19.1
66.5
82.6
88.9
98.6
4
4
4
4
0.870
1.450
1.760
2.490
●/▲
●/▲
●/▲
●/▲

●/▲
●/▲
●/▲
1 ½
2
2 ½
3
48.3
60.3
73
88.9
155.4
165.1
190.5
209.6
38.1
49.2
59
73.6
22.4
25.4
28.4
31.8
69.9
73.2
79.2
82.6
48.3
60.3
73
88.9
69.9
84.1
100.1
117.3
73.2
91.9
104.6
127
22.4
19.1
22.4
22.4
114.3
127
149.4
168.1
4
8
8
8
3.490
4.360
6.430
8.530
●/▲
●/▲

●/▲
●/▲
●/▲

●/▲
4
6
8
114.3
168.3
219.1
273.1
355.6
419.1
97.2
146.4
193.8
38.1
47.8
55.6
101.6
117.3
133.35
114.3
168.3
219.2
152.4
222.3
273.1
157.2
215.9
269.9
25.4
28.4
31.7
215.9
292.1
349.2
8
12
12
17.400
34.900
53.900
●/▲
●/▲
-
●/▲
●/▲

1 O.D. = Outside Diameter