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Stainless welding neck flanges 600 lbs

Tube, pipe, fittings and flanges

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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

 3682-[Converted].png
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

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