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Masoneilan Products SVI II ESD - GE Energy

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Specifications and<br />

Hazardous Location Installation<br />

Table 17 Pneumatics Double Acting Standard Flow (Continued)<br />

Air Supply Dry, oil-free, 5 micron filtered air see ISA S7.3<br />

Air Consumption<br />

for Double Acting<br />

0.424 scfm (12 slm) at 30 psi (2.1 bar, 207 kPa) supply<br />

0.565 scfm (16 slm) at 60 psi (4.14 bar, 414 kPa) supply<br />

0.847 scfm (24 slm) at 90 psi (6.21 bar, 621 kPa) supply<br />

1.06 scfm (30 slm) at 120 psi (8.28 bar, 828 kPa) supply<br />

Air Supply Failure<br />

Loss of Input<br />

Signal<br />

Positioner cannot control the failure position of an actuator<br />

without a spring. The actuator can, under different conditions, fail<br />

in place, fail open, or fail close. In cases where the valve must fail<br />

to a required position additional control equipment is required.<br />

Output 1 drops to low pressure.<br />

Output 2 rises to supply pressure.<br />

Hazardous Location Installation<br />

The following pages provide the agency approved installation procedure for<br />

hazardous locations (ES-727).<br />

NOTE<br />

The installation procedure is accurate at time of print. For<br />

further hazardous installation information please consult the<br />

factory.<br />

65

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