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窄系列焊接弯板链是专门针对带有强烈冲击性、磨损性物料的输送而设计，可应用在粉尘较大的环境，主要应用于谷物刮板输送、豆粕刮板输送、工业散料输送、木材加工等，能经受持久磨损和高强度冲击。窄系列焊接弯板链小端内宽和小端外宽相对于宽系列来说都比较小，小端内宽的大小为28MM-77.1MM，小端外宽为51mm-117.35MM,但抗拉强度能达到552KN。
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| Chain no. | Pitch P (mm) | Outer diameter of bushing d1 (max.) mm | Diameter of pin d2 (mm) | Height of sidebar h2 (max.) (mm) | Inner width of narrow end b1 (max.) (mm) | Outer width of narrow end b2 (max.) (mm) | Thickness of sidebar T (max.) (mm) | Tensile strength Q (min.) (KN) | Weight per meter q (kg/m) |
| 66.27 | 22.23 | 12.7 | 28.4 | 28.4 | 51 | 6.4 | 150 | 5.9 | |
| 66.27 | 21.2 | 14.28 | 32 | 28.4 | 51 | 6.4 | 130 | 6.4 | |
| 66.27 | 21.2 | 14.28 | 32 | 28.4 | 51 | 6.4 | 170 | 6.4 | |
| 66.27 | 22.2 | 12.7 | 28.4 | 28.6 | 51 | 6.4 | 93.4 | 5.9 | |
| 66.27 | 25.4 | 14.27 | 32 | 25.4 | 51 | 9.5 | 127 | 12.7 | |
| 66.27 | 25.4 | 14.24 | 32 | 25.4 | 51 | 9.5 | 158 | 12.7 | |
| 66.27 | 22.5 | 12.7 | 28.4 | 28.6 | 52.3 | 7 | 180 | 7.1 | |
| 66.27 | 21.2 | 12.7 | 28.4 | 28 | 52.3 | 7 | 85 | 7.1 | |
| 78.1 | 27 | 14.29 | 32 | 44 | 57 | 6.4 | 93.4 | 5.8 | |
| 78.1 | 25.4 | 14.29 | 32 | 44 | 57 | 6.4 | 150 | 5.75 | |
| 78.1 | 31.78 | 19.05 | 38.1 | 50.15 | 60.3 | 9.5 | 169 | 15.6 |
Note: WR78SS is mainly made using Cr13. The sidebars of WH78C are made of 35CrMo.
chain no. | pitch P (mm) | Outer diameter of bushing d1 (max.) (mm) | Diameter of pin d2 (max.) (mm) | Height of sidebar h2 (max.) (mm) | Inner width of narrow end b1 (max.) (mm) | Outer width of narrow end b2 (max.) (mm) | Thickness of sidebar T (max.) (mm) | Tensile strength Q (min.) (KN) | Weight per meter q (kg/m) |
| 101.6 | 36.5 | 19.05 | 38.1 | 41.3 | 70 | 9.5 | 224.6 | 12.6 | |
| 101.6 | 36.5 | 19.05 | 38.1 | 41.3 | 70 | 9.5 | 224.6 | 12.6 | |
| 153.67 | 44.45 | 25.25 | 50.8 | 77.1 | 111.76 | 12.7 | 378 | 20.5 | |
| 153.67 | 44.45 | 25.25 | 50.8 | 77.1 | 111.76 | 12.7 | 378 | 20.5 | |
| 153.67 | 44.45 | 25.25 | 63.5 | 77.1 | 111.76 | 12.7 | 398 | 24.5 | |
| 153.67 | 44.45 | 25.25 | 63.5 | 77.1 | 111.76 | 12.7 | 398 | 24.5 | |
| 153.67 | 44.45 | 28.42 | 63.5 | 73.6 | 111.25 | 14.27 | 411 | 27.7 | |
| 153.67 | 44.45 | 28.42 | 63.5 | 73.6 | 111.25 | 14.27 | 411 | 27.7 | |
| 153.67 | 44.45 | 28.52 | 63.5 | 76.4 | 117.35 | 15.88 | 552 | 29.1 | |
| 153.67 | 44.45 | 28.52 | 63.5 | 76.4 | 117.35 | 15.88 | 552 | 29.1 | |
| 103.2 | 44.45 | 25.25 | 50.8 | 38.1 | 76.2 | 12.7 | 378 | 27.9 | |
| 101.6 | 36.5 | 19.05 | 38.1 | 41.3 | 70 | 9.5 | 169 | 12.6 | |
| 120.9 | 36.5 | 19.05 | 38.1 | 57.15 | 84.8 | 9.5 | 224.6 | 11.9 |
Note: Those models ending with (H) refer to welded offset link chains with O-type pin section. Others refer to chains with D-type pin section.
Related Names
Heavy Duty Cranked Chain | Rollerless Chain | Grain Conveyor Chain
