 ASTM A182, ASME B16.5
Sch 10S / 40S / 80S / Std
Raised face, smooth finish (125-250 RMS / 3.2-6.3 µm) ● = Sch 40S/Std
▲ = Sch 80S
■ = Sch 10S
x = Sch 10S / 40S / 80S Product code examples: ●: FFWN-F51-2-300-40S
▲: FFWN-316L-4-300-80S | Pipe | Flange | Hub | Raised face | Drilling template | Weight | Stock standard | Nom.
size | O.D.
| D
| J | b
| h | a | m | g | l | k | No. of
holes | kg/pce | ASTM
304L | ASTM
316L | F51
UNS
S31803 | | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | | | | | | 1/2"
3/4"
1"
1 1/4" | 21.3
26.7
33.4
42.2 | 95.2
117.3
123.9
133.3 | 15.7
20.8
26.7
35.1 | 14.2
15.7
17.5
19 | 52.3
57.1
62
65 | 21.3
26.7
33.5
42.2 | 38.1
47.7
53.8
63.5 | 35
42.9
50.8
63.5 | 15.7
19
19
19 | 66.5
82.5
88.9
98.5 | 4
4
4
4 | 0.750
1.260
1.520
2.030 | x
x
x
● | x
x
x
● | ●
●
●
● | 1 1/2"
2"
2 1/2"
3" | 48.3
60.3
73
88.9 | 155.4
165.1
190.5
209.5 | 40.9
52.6
62.7
78 | 20.6
22.3
25.4
28.4 | 68.3
69.8
76.2
79.2 | 48.3
60.4
73.1
88.9 | 69.5
84
100
117.3 | 73.1
91.9
104.6
127 | 22.3
19
22.3
22.3 | 114.3
127
149.3
168.1 | 4
8
8
8 | 2.890
3.400
5.170
6.930 | x
x
●/▲
x | x
x
●/▲
x | ●
●
●
● | 4"
5"
6"
8" | 114.3
141.3
168.3
219.1 | 254
279.4
317.5
381 | 102.4
128.3
154.2
202.7 | 31.7
35.1
36.5
41.1 | 85.8
98.6
98.5
111.2 | 114.3
141.3
168.4
219.2 | 146
177.8
206.2
260.3 | 157.2
185.7
215.9
269.7 | 22.3
22.4
22.3
25.4 | 200.1
235
269.7
330.2 | 8
8
12
12 | 11.200
15.100
19.100
29.900 | x
●
x
●/▲ | x
●/■
x
x | ● | 12"
14" | 273
323.8 | 444.5
520.7 | 254.5
304.8 | 47.6
50.8 | 117.5
130.2 | 273.1
323.9 | 320.7
374.6 | 323.8
381 | 28.6
31,.7 | 387.3
450.8 | 16
16 | 44.300
64.000 | ●
● | ●
● |
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