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Masoneilan Products SVI II ESD - GE Energy

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<strong>GE</strong> <strong>Energy</strong><br />

<strong>SVI</strong> <strong>II</strong> <strong>ESD</strong> Quick Start<br />

Table 4 Pneumatic Connections and Air Supply Requirements<br />

Recommended<br />

Piping Inlet/Outlet<br />

Instrument Air<br />

Pressure<br />

Dew Point<br />

Particulate Matter<br />

Oil Content<br />

Contaminants<br />

1/2” stainless steel or PVC tubing. The length of tubing between the<br />

<strong>SVI</strong> <strong>II</strong> <strong>ESD</strong> and the valve must be kept as short as possible and free<br />

of kinks<br />

30 - 120 psi (2.07 - 8.27 bar) (207 - 827 kPa)<br />

At least 18° F (10° C) below minimum anticipated ambient<br />

temperature<br />

Filtered to 5 microns<br />

Less than 1 ppm w/w<br />

Free of all corrosive contaminants<br />

Pneumatic Connections/Air Supply Requirements<br />

Single Acting PST Controller<br />

WARNING<br />

Isolate the valve from the process and disconnect air tubing<br />

from the PST Controller. Disconnect air fully to avoid injury or<br />

process damage.<br />

The supply and output connections for the <strong>SVI</strong> <strong>II</strong> <strong>ESD</strong>, located on bottom of the<br />

pneumatic block, are 1⁄4" NPT threaded. Output is toward the front, supply is<br />

toward the back.<br />

Maximum allowable air supply pressure to the <strong>SVI</strong> <strong>II</strong> <strong>ESD</strong> varies according to<br />

actuator, valve size, and valve type. Refer to the serial plate of the valve to know<br />

the specified supply pressure; it must never be less than the maximum spring<br />

pressure +10 psi.<br />

1. Install the tubing to the air supply port (S).<br />

2. For a single acting actuator - pipe the outbound air from the output pressure<br />

port (I) to the actuator.<br />

3. Air supply:<br />

Supply pressure for single acting <strong>SVI</strong> <strong>II</strong> <strong>ESD</strong>: <br />

30 -120 psi (2.07 - 8.28 bar) (207- 827.6 kPa)<br />

Minimum tubing diameter 1⁄4" (6 mmx4 mm)<br />

28

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