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) 30 x 2a) 33.7 x 2.6a) 42.4 x 2.6a) |
3/4 Sch 10s
1 Sch 10s 1¼ Sch 10s |
26.9
31 34.2 42.4 |
22.3
26 28.5 37.2 |
72.5
72 80.5 92.5 |
42
42 48 60 |
20
20 25 25 |
0.190
0.160 0.240 0.350 |
6 x 25
6 x 25 6 x 30 6 x 30 |
●
● ● ● |
●
● ● - |
| 44.5 x 2.9a) 48.3 x 2.6a) 54 x 2a) 57 x 2.9a) |
1½ Sch 10s
|
46
49 54 58 |
38.7
43.1 50 51.2 |
82
108 116 116 |
60
67 76 76 |
25
30 30 30 |
0.340
0.500 0.620 0.600 |
6 x 30
8 x 40 8 x 40 8 x 40 |
●
● ● ● |
●
- - - |
| 60.3 x 2.9a) 76.1 x 2.9a) 84 x 2a) 88.9 x 3.6a) |
2 Sch 10s
3 Sch 10s |
60.3
76.1 84 89 |
54.5
70.3 80 81.7 |
131.5
148 162 162 |
84
100 109 109 |
30
30 30 30 |
0.850
1.000 1.100 1.100 |
10 x 45
10 x 45 10 x 50 10 x 50 |
●
● ● ● |
●
● - - |
| 104 x 2a) 108 x 4a) 114.3 x 3.6a) 129 x 2a) |
4 Sch 10s
|
104
109 114.3 129 |
100
100 107.1 125 |
188
188 204 221 |
131
131 142 159 |
30
30 35 35 |
1.600
1.700 2.300 2.400 |
12 x 60
12 x 60 12 x 60 12 x 60 |
●
● ● ● |
●
- - - |
| 139.7 x 3.6b) 154 x 2b) 159 x 4.5b) 168.3 x 4b) |
5 Sch 10s
6 Sch 10s |
141.3
154 160 170 |
132.5
150 150 160.3 |
230.5
251 251 266.5 |
167.5
188 188 198 |
35
35 35 35 |
2.600
3.000 3.200 3.700 |
12 x 60
12 x 60 12 x 60 12 x 60 |
●
● ● ● |
- - - - |
* 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