6-1
Chapter 6. Direct/Reverse Action Type Conversion and
Spring Range Change of Actuator
6-1. Direct/Reverse action change
As a general rule it is most recommendable to prepare separately the direct type and reverse
type of actuators and not to convert actuators into different types. However, when it has
become unavoidable to convert actuators into other types, conversions may be done by using
the parts mentioned below (Table 6-1 and Table 6-2). The parts marked “+” are the ones
which are newly needed and those marked “-” are ones which are not used.
Table 6-1. To Convert the Direct-Action Type into the Reverse Action Type
Model PSA1D -> Model PSA1R
Parts neme Q'ty
Rod unite +1
82559228-102 14.3mm
82559228-101 25mm
Rod -1
82559229-102 14.3mm
82559229-101 25mm
Seal washer +4 82521069-101
Rod packing +1 82521067-102
Rain cap +1 82553334-101
"O" ring +1 82592235-596
Washer +1 82553318-101
Model HA2D -> Model HA2R
Part name Q'ty For stroke 14.3mm, 25mm For stroke 38mm
Seal washers +2 82521069-101 82521069-101
Rod packing +1 82521067-101 82521067-101
Rod unit +1
82521431-101 (14.3mm)
82521431-103
82521431-102 (25mm)
Rain cap +1 82553334-101 82553334-101
Rod (-1)
82521427-101 (14.3mm)
82521427-103
82521427-102 (25mm)
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