ARITA PNEUMATIC ACTUATOR

1.Indicator
Indicator according to VID/VIE3845 is convenient for mounting accessories such as limit
switch box, Positioner and etc.
2.Pinion
The design of the nickel-plated alloy steel integrated forging pinion drive is according the
NAMURISO5211 and DIN3337 standards. Special standard are available upon request.
3.Actuator Body
High quality aluminum alloy extrusion formed. The surface has been treated by anodized
hardening followed by epoxy polyester coating. Other surface treatments are available
e.g.PTFE and Nickel plating as well as other colour coatings on request.
4.End Cap
The surface has been treated by anodized hardening followed by epoxy polyester coating.
Other surface treatments are available on request e.g.PTFE and Nickel plating as well as
other colours on request.
5.Piston
Are manufactured from Die-cast aluminum and treated by anodized hardening process.
Symmetric mounting of the piston helps to ensure easy maintenance. Reverse action
requirements can be achieved by inverting the pistons.
6 Adjusting Boit
The two independent adjustment bolts can adjust opening and closing of the mounted
valve within+5°
7.Spring
Are manufactured from 65Mn and are epoxy polyester coated. Springs are easily demounted
and can be changed by quantity to suit different torque requirement.
8. Piston Ring
Are manufactured from low friction long life material POM. Can be easily changed
for maintenance purposes
Standard NER rubber 
9.O rings
provide troubie-free operation at standard temperature ranges For other temperature requirements relevant materials can be offered on request.
10 Air Conection
Conforms to NAMUR standards
11.All stop parts are majufactüred from SS308