- Butt welding fittings
- bends
- T- X- Y- pieces
- T- and Y-bends
- reducers
- caps and heads
- collars
- branch saddles
- orbital fittings
- ANSI / ASME
- Industrial valves
- ball valves
- actuators
- drain cocks
- gate valves
- globe valves
- non-return valves
- Y-strainers
- control technology
- Flanges
- welding neck flanges
- threaded flanges
- blind flanges
- plate flanges
- loose plate flanges
- collars
- flange-fittings
- ANSI/ ASME
- other
- Systems
- TEEKAY
- Victaulic
- press fittings
- quick couplings
- clamp connections
- cutting rings
- DIN 11864/ DIN 11853
- railing construction
- Beverage fittings
- unions
- fittings
- pipe clamps
- Tri-Clamp
- valves & cocks
- flange connections
- inspection glasses
- filter & strainers
- spray balls
welding neck flange PN 40FL.40
welding neck flange PN 40 DIN 2635/C - EN 1092-1/B1
Welding neck flange PN 40 according to DIN 2635 and EN 1092-1 Type 11
Seal surface with sealing face
| Nominal diameter | Sealing face height[f]* |
|---|---|
| DN < 40 | 2,0 mm |
| DN 50 - 250 | 3,0 mm |
| DN > 250 | 4,0 mm |
see Fig. 3/4
| Machining | Ra (µm) | Rz (µm) |
|---|---|---|
| rotated | min. 3,25 / max. 12,5 | min. 12,5/ max. 50 |
Comparison of the designations according to the old DIN standard and the new EN standard:
| DIN 2526 | EN 1092-1 |
|---|---|
| Shape C | Shape B1 |
Comparison of dimension DIN 2635 and EN 1092-1
DN 450 and DN 600 were recently added to EN 1092-1
All dimensions identical up to DN 400.
By DN 500 the dimension [b] deviated (DIN=52 mm; EN= 57 mm).
(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive or the available
variant.)
extended product description
Stainless steel welding neck flanges special materials PN 40
welding neck flange PN 40FL.40
Welding neck flange PN 40 according to DIN 2635 and EN 1092-1 Type 11
Seal surface with sealing face
| Nominal diameter | Sealing face height[f]* |
|---|---|
| DN < 40 | 2,0 mm |
| DN 50 - 250 | 3,0 mm |
| DN > 250 | 4,0 mm |
see Fig. 3/4
| Machining | Ra (µm) | Rz (µm) |
|---|---|---|
| rotated | min. 3,25 / max. 12,5 | min. 12,5/ max. 50 |
Comparison of the designations according to the old DIN standard and the new EN standard:
| DIN 2526 | EN 1092-1 |
|---|---|
| Shape C | Shape B1 |
Comparison of dimension DIN 2635 and EN 1092-1
DN 450 and DN 600 were recently added to EN 1092-1
All dimensions identical up to DN 400.
By DN 500 the dimension [b] deviated (DIN=52 mm; EN= 57 mm).
(Please specify if necessary! Otherwise we reserve the right to deliver the less expensive or the available
variant.)
This view is not optimized for mobile devices.
You can change back to desktop view.
This view is not optimized for mobile devices.
You can change back to desktop view.