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Parsons round link conveyor chains may be manufactured to Xtra or DIN quality grade 2 specifications.
All chains meet the dimensional requirements in DIN 22252:2001.
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DIN 22252:2001 - Round Link Steel Chains
Calibrated and tested for conveyors and haulage systems
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Nominal Size
d x t
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Diameter
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Pitch
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Width
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Gauge Length
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Inside
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Outside
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mm
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d
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Tolerance
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t
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Tolerance
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b1 min
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b2 max
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5 x t
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Tolerance
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14 x 50
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14
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±0.4
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50
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±0.5
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17
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48
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250
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±1
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18 x 64
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18
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±0.5
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64
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±0.6
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21
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60
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320
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±1
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19 x 64.5
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19
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±0.6
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64.5
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±0.6
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22
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63
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322.5
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±1
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22 x 86
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22
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±0.7
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86
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±0.9
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26
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73
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430
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±1
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26 x 92
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26
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±0.8
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92
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±0.9
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30
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85
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460
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±1
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30 x 108
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30
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±0.9
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108
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±1.1
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34
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97
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540
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±1.2
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34 x 126
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34
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±1.0
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126
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±1.3
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38
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109
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630
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±1.3
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38 x 137
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38
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±1.1
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137
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±1.4
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42
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121
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685
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±1.4
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DIN 22252:2001 - Round Link Steel Chains
Mechanical Properties for Quality Grade 2 Chain
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Nominal Size
d x t |
Reference Number |
Test Force
TF |
Breaking Force
BF |
Operating Force
WF |
Bend Test deflection
-min |
Weight |
| mm |
kN |
kN |
kN - MAX |
mm |
kg/m |
| 14 x 50 |
14050RDR |
185 |
246 |
154 |
14 |
4 |
| 18 x 64 |
18064RDR |
305 |
407 |
254 |
18 |
6.6 |
| 19 x 64.5 |
19064RDR |
340 |
454 |
283 |
19 |
7.6 |
| 22 x 86 |
22086RDR |
456 |
608 |
380 |
22 |
9.5 |
| 26 x 92 |
26092RDR |
637 |
850 |
531 |
26 |
13.7 |
| 30 x 108 |
30108RDR |
848 |
1130 |
707 |
30 |
18 |
| 34 x 126 |
34126RDR |
1090 |
1450 |
907 |
34 |
22.7 |
| 38 x 137 |
38137RDR |
1360 |
1820 |
1130 |
38 |
29 |
| Reference Numbering System |
34126
R
D
R
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Size and Pitch
Round Link
DIN Quality Grade 2
Rust Preventative
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Elongation at test force - 1.6% max
Total elongation at fracture - 14% min
Impact KV Test - 50J. min.
Fatigue Test - 70,000 cycles min. Mean stress 150N/mm2. Amplitude ±100N/mm2
Parsons Chain - 125,000 cycles min. Typically >275,000 cycles |
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