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Alleima Coupling L

Fittings & flanges

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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
Alleima Coupling L
Working pressure for Alleima Coupling L
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

blå teckning av ett blått föremål med linjer och bokstäver blå ritning av en metallring en blå ritning av ett metallstycke
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

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