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6521S - Stainless steel interlock metallic ducting is constructed from austenitic steel type 304 S16 that conforms to BS 1449. The fully interlocked section has a copper wire packing and is manufactured by winding a profiled metal strip into a tube with completely interfolded edges. Stainless steel interlock ducting can be purchased online at PAR Direct by clicking the button above.
Ideal for absorbing vibration, thermal expansion and attenuation on engine exhausts. It is also suitable for conveying dry bulk goods, grain, dry powders and granular products.
- 6521S metallic ducting can be manufactured from type 316 stainless steel upon request.
Product Code
Inside Diameter (mm)
Outside Diameter (mm)
Bend Radius (mm)
Weight (Kg/m)
6521S-20ID
20
25
82
0.45
6521S-22ID
22
27
90
0.52
6521S-25ID
30
103
0.60
6521S-28ID
28
33
115
0.68
6521S-32ID
32
37
131
0.75
6521S-35ID
35
40
144
0.82
6521S-38ID
38
43
156
0.90
6521S-41ID
41
46
168
0.98
6521S-45ID
45
51
185
1.02
6521S-48ID
48
53
197
1.10
6521S-51ID
56
209
1.19
6521S-54ID
54
60
221
1.25
6521S-57ID
57
63
234
1.35
6521S-60ID
66
246
1.40
6521S-63ID
69
258
1.45
6521S-66ID
72
271
1.52
6521S-70ID
70
76
287
1.60
6521S-72ID
78
299
1.70
6521S-76ID
312
1.78
6521S-79ID
79
85
324
1.85
6521S-83ID
83
89
340
1.90
6521S-86ID
86
92
349
1.98
6521S-89ID
95
365
2.05
6521S-92ID
98
377
2.15
6521S-95ID
101
390
2.20
6521S-98ID
104
406
2.30
6521S-102ID
102
108
418
2.38
6521S-105ID
105
111
431
2.42
6521S-108ID
114
443
2.50
6521S-114ID
120
467
2.60
6521S-121ID
121
127
494
2.72
6521S-127ID
133
521
2.85
6521S-130ID
130
136
533
2.92
6521S-140ID
140
146
574
3.10
6521S-152ID
152
158
623
3.35
6521S-165ID
165
171
678
3.60
6521S-178ID
178
184
729
3.85
6521S-203ID
203
832
4.35
6521S-229ID
229
235
939
4.95
6521S-250ID
250
256
1041
5.60
6521S-279ID
279
285
1144
6.25
6521S-305ID
305
311
1250
6.85