Sandvik Coupling L

Sandvik 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
Working pressure for Sandvik 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 Sandvik 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 Sandvik 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 Sandvik Coupling L including gasket and stainless steel clamps:

  • With PTFE gasket: FCL-316L-30-S-T
  • With Nitril gasket: FCL-316L-30-S-N