Pneumatic Positioned Valve operational information.

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Pneumatic Positioned Valves: Assembly Details

Notes:

This page will detail the parts and layout regarding the pneumatic lines and operation of a pneumatically positioned ball valve.
  • The assembly shown is a PD-S3FV-16M3 (Pneumatic actuated, 90 degree 2″ NPT 3-piece v-port ball valve with 3-15 psi signal to control).
  • This assembly can also be ordered with a 4-20mA input control, or 0-10V input control.
(The layout is for those units are configured the same, but with a slight part number change and omission of the pneumatic ‘signal’ control line, will instead be controlled by 2 wires to an external control).
  • Images illustrate how unit operates in testing and usage.
  • This is a technical reference only , other units will vary slightly in appearance, but line ‘A’, ‘B’, and ‘Supply’ is used across all pneumatic positioned units.
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(all images below show unit with 90 psi to supply line, but varying pressure to signal/control line)