Alleima Coupling L is a unique alternative to a traditional flange connection. This coupling is manufactured according to TÜV rules and offers several advantages compared to traditional flange connections:
- Low weight
- Rapid opening and closing
- Requires less space
- One purchase only
| Tube OD, mm | Working pressure at 20ºC (68ºF) | 100ºC (210ºF) bar |
260ºC (500ºF) bar |
Service load according to DIN 2401 |
|---|---|---|---|---|
| 26.9-60.3 | 40 | 31 | 25 | PN 40 |
| 76.1-133 | 25 | 19 | 15 | PN 25 |
| 139.7-255 | 16 | 13 | 10 | PN 16 |
Materials
The flanges of Alleima Coupling L are made from ASTM 316L steel. Clamps, bolts, nuts and locking rings are made from ASTM 304; bigger sizes in carbon steel. Gaskets are available in Nitril, PTFE or Viton.
Spare parts for Alleima Coupling L
Sizes
 |
 |
 |
| Pipe | Sizes | Weight | Bolt and nut | Available with | Blind flanges | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| ISO mm |
ANSI in. |
OD mm |
ID mm |
S mm |
D mm |
H mm |
kg/pce | mm | S-N* | |
| 26.9 x 2.3a) 33.7 x 2.6a) 42.4 x 2.6a) |
3/4 10s
1 Sch 10s 1¼ Sch 10s |
26.9
34.2 42.4 |
22.3
28.5 37.2 |
72.5
80.5 92.5 |
42
48 60 |
20
25 25 |
0.190
0.240 0.350 |
6 x
6 x 25 6 x 30 6 x 30 |
●
● ● |
●
● - |
| 48.3 x 2.6a) |
Sch
|
49 |
43.1 |
108 |
67 |
30 |
0.500 |
30 |
● |
- |
| 60.3 x 2.9a) 76.1 x 2.9a) 88.9 x 3.6a) |
2 Sch
3 Sch 10s |
60.3
76.1 89 |
54.5
70.3 81.7 |
131.5
148 162 |
84
100 109 |
30
30 30 |
0.850
1.000 1.100 |
10 x 45
45 10 x 50 10 x 50 |
●
● ● |
●
● - |
| 114.3 x 3.6a) |
10s
|
114.3 |
107.1 |
204 |
142 |
35 |
2.300 |
12 x
|
● |
- |
* S-N = set with stainless steel clamps 1.4301 / 1.4306 with Nitril gasket.
a) 2 clamps
b) 3 clamps
Examples of codes used when ordering:
Full set of Alleima Coupling L including gasket and stainless steel clamps:
- With PTFE gasket: FCL-316L-30-S-T
- With Nitril gasket: FCL-316L-30-S-N