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Notice: Specification change for Large Size Conveyor Chains

We will be changing the specifications for Large Size Conveyor Chains as below.

Change in Large Size Conveyor Chains plate material

We will be changing the plate material for some AT Series Heavy Duty Conveyor Chain.

The AT Series plates will be black (film) from the previous silver (steel) color. *There is no change in allowable load, size, price, and delivery date.

Affected models: AT Series Heavy Duty Conveyor Chain
RF08-RF36, RF204, RF450, RF6205, RF212 (A, K attachment plates and offset links will continue to use the conventional material)
Date specification changes are effective
Orders from June 1, 2017 will switch to the new specifications
Plate outer surface comparison Previous AT Series New AT Series
Photo of previous series

Silver (steel)

Photo of new series

Black (film)

Changes to stamping on Large Size Conveyor Chains

We will be changing the stamping of the Large Size Conveyor Chains to a two-tiered "TSUBAKI JAPAN" stamp. Previous stamping and new stamping may be mixed during the transition period.

Affected models: All models of Large Size Conveyor Chains
*Except some MTO products
Date specification changes effective
Orders from May 2017
Visual appearance of stamping Previous stamping New stamping
Photo of previous stamping Photo of new stamping

New Large Size Conveyor Chain selection method

We will be changing the selection method for Large Size Conveyor Chain to an allowable load selection method.

  • We will be moving from the previous safety factor selection method based on average tensile strength to an allowable load selection method based on maximum allowable load, which is a measure of fatigue strength.
  • Maximum allowable load will be shown in drawings and catalogs.