Stainless plane welding flanges according to EN

Tube, pipe, fittings and flanges

Stainless steel plane welding flanges PN 10, 16 and 40 according to EN 1092-1 latest edition. Base material according to EN 10222-5/ASTM/ASME A/SA 182.

Our EN plane welding flanges are corrosion tested according to EN ISO 3651-2 latest edition and PMI checked. The stainless plane welding flanges are certified according to EN 10204/3.1.

Plane welding flanges PN 10

EN 1092-1, type 01 (replaces DIN 2576)

Material EN 1.4306/1.4307 (ASTM 304L) and EN 1.4404 (ASTM 316L). Fully machined.

Product code example:

FFPW-304L-76.1-PN10

● = stock standard

Pipe d1 d5 Tol. D b k Drilling template d2 Weight ASTM ASTM
DN mm mm mm mm mm Holes Thread mm kg/pce 304L 316L
200
-
204.0
219.1
205.5
221.8
+1.0/-0
-
340
-
24
-
295
-
8
-
M 20
-
22
-
9.27
-


250
-
254.0
273.0
256.0
276.2
+1.0/-0
-
395
-
26
-
350
-
12
-
M 20
-
22
-
11.80
-


300
-
304.0
323.9
306.0
327.6
+1.0/-0
-
445
-
26
-
400
-
12
-
M 20
-
22
-
13.60
-


350
355.6
359.7
-
505
28
460
16
M 20
22
20.40
-
400
406.4
411.0
-
565
32
515
16
M 24
26
27.50
-
500
508
513.6
-
670
38
620
20
M 24
26
40.20
-

Plane welding flanges PN 16

EN 1092-1, type 01

Material EN 1.4306/1.4307 (ASTM 304L) and EN 1.4404 (ASTM 316L). Annealed, fully machined.

Product code example:

FFPW-316L-114.3-PN16

● = stock standard

Pipe d1 d5 Tol. D b k Drilling template d2 Weight ASTM ASTM
DN mm mm mm mm mm Holes Thread mm kg/pce 304L 316L
15-40
see
PN40
- - - - - - - - - -
50
-
-
54.0
57.0
60.3
54.5
58.1
61.1
+0.5/-0
-
-
165
-
-
20
-
-
125
-
-
4
-
-
M 16
-
-
18
-
-
2.73
2.56
2.47
-
-
-


65
-
70.0
76.1
71.0
77.1
+0.5/-0
-
185
-
20
-
145
-
4
-
M 16
-
18
-
3.31
3.16
-
-

80
-
84.0
88.9
85.0
90.3
+0.5/-0
-
200
-
-
20
-
-
160
-
-
8
-
-
M 16
-
-
18
-
-
3.69
3.60
-
-
-
-


-
100
-
-
104.0
108.0
114.3
105.5
109.6
115.9
+0.5/-0
-
-
220
-
-
22
-
-
180
-
-
8
-
-
M 16
-
-
18
-
-
4.71
4.56
4.39
-
-
-


125
-
129.0
139.7
130.5
141.6
+1.0/-0
-
210
-
22
-
210
-
8
-
M 16
-
18
-
5.94
5.41
-
-

150
-
-
154.0
159.0
168.3
155.5
161.1
170.5
+1.0/-0
-
-
285
-
-
24
-
-
240
-
-
8
-
-
M 20
-
-
22
-
-
7.53
7.29
7.14
-
-
-


Plane welding flanges PN 40

EN 1092-1, type 01

Material EN 1.4306/1.4307 (ASTM 304L) and EN 1.4404 (ASTM 316L). Annealed, fully machined.

Product code example:

FFPW-316L-33.7-PN40

● = stock standard

Pipe d1 d5 Tol. D b k Drilling template d2 Weight ASTM ASTM
DN mm mm mm mm mm Holes Thread mm kg/pce 304L 316L
15
-
20.0
21.3
21.0
22.0
+0.5/-0
-
95
-
14
14
65
65
4
-
M 12
-
14
-
0.670
0.670
-
-

20
-
25.0
25.9
26.0
27.5
+0.5/-0
-
105
-
16
16
75
75
4
-
M 12
-
14
-
0.940
0.936
-
-

25
-
30.0
33.7
31.0
34.5
+0.5/-0
-
115
-
16
16
85
85
4
-
M 12
-
14
-
1.140
1.110
-
-

32
-
38.0
42.4
39.0
43.5
+0.5/-0
-
140
-
18
18
100
100
4
-
M 16
-
18
-
1.860
1.820
-
-

40
-
44.5
48.3
45.5
49.5
+0.5/-0
-
150
-
18
18
110
110
4
-
M 16
-
18
-
2.110
2.080
-
-

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