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Valves & Actuation
79P w PSTA202D.N Positioner

Plastic Actuated Diaphragm Valves

Options -PST-A202DN SMART (Electro-Pneumatic) for Type-14 Diaphragm Valve

The Type-14 diaphragm valve is available with an optional pneumatic actuator for operation via a pressurized air supply. The pneumatic actuator is available in both air to air (double acting) and air to spring (single acting) styles. Options are available for pneumatically operated diaphragm valves to aid in automation set ups and for flow control purposes.

Ideal Applications Include:

Chemical Processing, Water & Wastewater, Landfills, Irrigation, Food Processing, Mining

Specifications

Input Current:

4 to 20mA

Resolution:

0.2% of Span

Hysteresis:

0.5% of Span

Air Connections:

1/4" NPT

Supply Air Pressure:

60 to 90psi

Linearity:

(plus/minus) 0.51% of Span

Repeatability:

0.2% of Span

Conduit Entry

1/2" NPT

Features/Benefits

  • Simple calibration of positioner with Autocal pushbuttons located inside of positioner housing
  • Transmitter
  • Type 4X Enclosure
  • Corrosion Resistant Polyester Powder Coated Enclosure
  • SS Trim
  • LCD Visual Position Indication shown in percentage
  • Pressure Gauges
  • 1/2" Conduit Entry
  • 1/4" NPT Air Connection
  • Split Range Capability
  • Reverse Acting Capability
  • Temperature limit of 185º F
  • High vibration environment

Actuation

  • Electric
  • Pneumatic

Options

  • 2-SPDT mechanical switches
  • 2-SPST proximity switches
  • Hart capability
  • 316SS enclosure
  • ATEX Ex ia IIC T5/T6 enclosure

Resources

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