Dimensions
Table 5: Flanges · All dimensions in mm
Nominal size
p
max
L1
DIN 11864-2
NF Form A,
L2
Series A
Øint
Øext
p
max
L1
DIN 11864-2
NF Form A,
L2
Series B
Øint
Øext
p
max
L1
DIN 11864-2
NF Form A,
L2
Series C
Øint
Øext
DIN EN 1092-1 B2
or
ASME B16.5 Cl 150
32
Type 2371-11
DN 15
DN 20
DN 25
NPS ½
NPS ¾
NPS 1
90
95
100
90
95
100
16
20
26
59
64
70
90
95
100
90
95
100
18.1
23.7
29.7
62
69
74
–
95
100
–
95
100
–
15.75
22.1
–
59
66
DN 32
DN 40
DN 50
NPS 1¼
NPS 1½
NPS 2
10 bar/150 psi
105
115
125
105
115
125
32
38
50
76
82
94
10 bar/150 psi
105
115
125
105
115
125
38.4
44.3
56.3
82
88
103
10 bar/150 psi
–
115
125
–
115
125
–
34.8
47.5
–
79
92
On request
Type 2371-10
DN 32
DN 40
DN 50
NPS 2
NPS 1¼
NPS 1½
105
105
105
155
155
155
32
38
50
76
82
94
105
105
105
155
155
155
38.4
44.3
56.3
82
88
103
–
105
105
–
155
155
–
34.8
47.5
–
79
92
EB 2640 EN