Pneumatic valve actuator VS-052DA

rotarypistondouble-acting

Unique Spring Retainer Construction. Pre compression leads to longer spring life. Easy assembling & dismantling of various combination of spring sets. Modular spring construction permits combination of springs to generate optimim torque. Eliminates need for special tools & keys. No lubrication required for springs. Safe handling & dismantling. LARGE BEARINGS : Large bearing area to reduce load High tech polymer for low friction Triple point bearings one on top of rack,second on piston OD, thid by piston key rolling on pinion. ISO PAD : Valve mounting as per ISO 5211 with an additional one higher size pad. Standardisation of mounting accessories ISO Centering ring for precise location. Octagonal drive shaft for ease of mounting. SPRING : Gr. III epoxy coated springs having high corrosion resistance. Modular springs set catering to various valve torque characteristics. Non buckling modular spring design. ► Construction 1, Indicator Position indicator with NAMUR is convenient for mounting accessories such as Limit Switch box, positioner and so on. 2, Pinion Thepinion is high-precision and integrative, made form nickelled-alloy steel, full conform to the latest standards of ISO5211, DIN3337, NAMUR. The dimensions can be customized and the stainless steel is available. 3, Actuator Body According to the different requirements, the extruded aluminum alloy ASTM6005 Body can be treated with hard anodized, powder polyester painted ( different Colours is available such as blue, orange, yellow etc. ), PTFE or Nickel plated.