Air Ports On Single Acting Pst Controller - GE Masoneilan SVI II ESD Installation And Maintenance Manual

Single Acting PST Controller
The supply and output connections for the SVI II ESD, located on bottom of the pneumatic
block, are 1⁄4" NPT threaded. Output is toward the front, supply is toward the back.
Maximum allowable air supply pressure to the SVI II ESD varies according to actuator, valve
size, and valve type. Refer to the serial plate of the valve to know the specified supply
pressure; it must never be less than the maximum spring pressure +10 psi.
1. Install the tubing to the air supply port (S
2. For a single acting actuator - pipe the outbound air from the output pressure port (
the actuator.
3. Air supply:
Supply pressure for single acting SVI II ESD:
30 -120 psi (2.07 - 8.28 bar) (207- 827.6 kPa)
Minimum tubing diameter 1⁄4" (6mmx4mm)
72 |
=GE Oil & Gas
Isolate the valve from the process and disconnect air tubing from
WARNING
the PST controller. Disconnect air fully to avoid injury or process
damage.
Figure 50 Air Ports on Single Acting PST Controller
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Output
Supply
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