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Stainless blind flanges 300 lbs

Tube, pipe, fittings and flanges

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ASTM A182, ASME B16.5

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

Product code example:

FFB-304L-6-300
Flange Raised face Drilling template Weight Stock standard
Nom. size O.D.1 D b g l k No. of holes kg/pce ASTM 304L ASTM 316L
in. mm mm mm mm mm mm
1/2
3/4
1
1 ¼
21.3
26.7
33.4
42.2
95.2
117.3
123.9
133.3
14.2
15.7
17.5
19.0
35.0
42.9
50.8
63.5
15.7
19.0
19.0
19.0
66.5
82.5
88.9
98.4
4
4
4
4
0.640
1.110
1.390
2.000
●
●
●
●
●
●
●
●
1 ½
2
2 ½
3
48.3
60.3
73.0
88.9
155.4
165.1
190.5
209.5
20.6
22.3
25.4
28.4
73.1
91.9
104.8
127.0
22.3
19.0
22.3
22.3
114.3
127.0
149.2
168.1
4
8
8
8
2.660
3.180
5.100
6.810
●
●
●
●
●
●
●
●
4
5
6
8
114.3
141.3
168.3
219.1
254.0
279.4
317.5
381.0
31.7
34.9
36.5
41.1
157.2
185.7
215.9
269.7
22.3
22.3
22.3
25.4
200.1
234.9
269.7
330.2
8
8
12
12
11.500
15.500
20.900
34.300
●
●
●
-
●
●
●
●
10
12
273.0
323.8
444.5
520.7
47.6
50.8
323.9
381.0
28.6
31.7
387.3
450.8
16
16
57.000
82.000
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●
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1 O.D. = Outside Diameter

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