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VALVE POSITIONER (ELECTRO-PNEUMATIC STYLE)

Electro-pneumatic valve positioner available in rotary or linear configurations and a 4-20mA input signal. Made from a heavy duty aluminum body and stainless steel gauges are a standard. Certified for ATEX and resistant to corrosion and vibration. Precise calibration with a simple span and zero need for adjustments. Explosion proof classification below.

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Manufacturer: Valtorc

Product Description, Dimensions and Specifications PDF

Series VP-900

Valve positioners offer superior ability to control and maintenance ability in the cycle of your valve package. These positioners are available in rotary (ROT) or linear (LIN) configurations with direct or reverse action available. Stainless steel standard gauges offer easy viewing- positioner body is a heavy duty, rugged aluminum enclosure with epoxy coating.

Heavy duty aluminum body enclosure
Split range availability
Corrosion and vibration resistant
Rotary or linear available
Stainless steel gauges
Input signal: 4-20mA
Explosion proof classification: EXMD II BT6, EXMD II C (H2) T6, IP66, EXIA II BT6
Supply air pressure: maximum 100PSI
Air piping connection: 1/4" NPT
Conduit connection: 1/2" NPT
Light weight, only 6.5lbs.
Feedback lever for stroke, 80-150MM is available for linear; stroke can be adjusted to 0° - 60° or 0° - 100° (rotary).

CALIBRATION:

Put 1 loop calibrator on INPUT or POSITIONER
Put 1 loop calibrator with loop power on POSITIONER OUTPUT
Press and hold "Control" button, LED will flash several times
Output should read 4mA
Set INPUT calibrator to 4mA
Adjust OUTPUT using zero button for "+" and SPAN for "-"
When set press and release control button
OUTPUT should read 8mA
Repeat procedure to get a proper setting
Keep repeating for 12mA, 16mA and 20mA
After 20mA is set, press and hold CONTROL button until LED flashes several times
Test with INPUT calibrator from 20 - 4mA