Flanges according to EN/DIN standards and grades
Type EN standard DIN standard Pressure Class Grade
Weld Neck FlangeEN1092-1/11 DIN 2627-2638 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Blind Flange EN1092-1/05 DIN 2527 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)

Threaded Flange

EN1092-1/13 DIN 2558 | 2565 – 2569 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Flat Flange EN1092-1/01 DIN 2573 | 2576 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Loose Flange EN1092-1/02 DIN 2641 | 2642 | 2655 | 2656 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Loose Flange EN1092-1/04 DIN 2673 – 2676 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Weld-on Collars EN1092-1/32 DIN 2641 | 2642 | 2655 | 2656 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)
Weld Neck Collars EN1092-1/34 DIN 2673 – 2676 PN6, PN10, PN16, PN25,
PN40, PN63, PN100, PN160,
PN250, PN320, PN400
S235JR, P250GH / C 22.8, P245GH,
P265GH, P280GH, P355NH, 16Mo3,
13CrMo4-5, P355QH1 / W/TStE 355,
1.4301, 1.4307, 1.4541, 1.4401, 1.4404,
1.4571, 1.4410 (Superduplex), 1.4462 (Duplex)

Sizes

  • standard and special sizes according to customer's requirements
Flanges according to ASME standards and grades
Type Standard Pressure Class Grade
Welding Neck Flange ASME B 16.5 / 16.47 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys
Blind Flange ASME B 16.5 / 16.47 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys

Slip-on Flange

ASME B 16.5
Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys
Lap-joint Flange ASME B 16.5 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys
Threaded Flange ASME B 16.5 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys
Socket-weld Flange ASME B 16.5 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys
Spectacle Blind ASME B 16.38 Class 150, Class 300, Class 400,
Class 600, Class 900, Class 1500,
Class 2500
A 105, A 182 Gr. F5, F9, F11, F12, F22, F91,
A 350 Gr. LF2, A 182 Gr. F304/L, F316/L, F53
(Superduplex), F51 (Duplex), Special Alloys

Special flanges according to customer's requirements

Sizes

  • standard and special sizes according to drawings

Facings

  • RF and RTJ