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All Categories > Severe Chemical Service Valves > One Piece Flanged Body Design - Pneumatic Actuator 

One Piece Flanged Body Design - Pneumatic Actuator
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Accessories & Options
  • Electroless Nickel Plating available for improved exterior corrosion resistance.
  • Limit Switches with corrosion resistant technopolymer enclosure available in NEMA 4 (Standard) & NEMA 7.
  • Solenoid valves with standard NAMUR mount available in 110 VAC (standard), 12 VDC, 24VDC, 24 VAC, 48 VAC, & 220 VAC.
  • Positoners for modulating service controlled with a 3-15psi signal or 4-20mA signal.


    • 432-Accuation

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    432-Pneumatic-2

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     Pneumatic Actuators - Features and Benefits  

  • The SIMTECH rack & pinion pneumatic actuator produces linear torque output in a compact design utilizing the same body and end caps for double acting and spring return units.
  • NAMUR VDI/VDE 3845 and ISO 5211 dimension on all sizes. No special blocks are required to mount solenoid valves, limit switches or positioners.
  • The standard angle of rotation is 90°. Additional travel rotations of 120°, 135°, 150° and 180° are available. Actuators feature a travel stop with ± 10° adjustment in both open and close directions.
  • The bottom plate design secures a captive pinion (anti-blowout system) and permits flexibility in mounting by retaining AISI 304 nuts (standard) or AISI 304 bolts (optional) in either dual ISO patterns.
  • All pinions are supplied with anti-blowout retention in both directions.
  • The female pinion drive is standard with a double square output drive.
  • Shaft bearings isolate the pinion gear from the housing and support the shaft for high cycle applications.
  • The pinion teeth are engaged for the full length and stroke of the piston. The pinion height allows manual override without disturbing the position indication.
  • Extruded aluminum body is internally machined and lapped to exact specifications. All internal and external surfaces are anodized for corrosion resistance.
  • External open/closed indicator is standard, available for all rotations.
  • Pistons incorporate double wear pads to separate the rack from the actuator wall and serve as both guide and wear bearings.
  • Epoxy coated special steel springs are pre-loaded with nonmetallic materials. The stainless steel end cap fasteners are extra long to allow for spring relaxation. All parts are corrosion resistant.
  • Air pressure operation from 40 to 150 PSI. Water, nitrogen and compatible hydraulic fluids may also be used to power the actuator.
  • All external fasteners are corrosion resistant stainless steel.
  • All units are permanently lubricated at the factory with non-silicone grease.
  • All units are factory pressure and leak tested, and externally stamped with a progressive traceable serial number.

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     MORE IMAGES 

    · PVDF-Pressure-chart

    · 432-Pneumatic-4

    · 432-Pneumatic-1

    · 432-Pneumatic-3
     
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