Masoneilan SVI II ESD, Installation And Maintenance Manual

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© 2017 Baker Hughes, a GE company, LLC. All rights reserved.
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BHGE
Single Acting PST Controller
WARNING
Isolate the valve from the process and disconnect air tubing from
the PST controller. Disconnect air fully to avoid injury or process
damage.
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 pr10 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 (

I
) to
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)
Figure 50 Air Ports on Single Acting PST Controller
Output
Supply