Masoneilan SVI3 Installation and Maintenance Manual
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7. Verify that the tubing is not bent or crushed.
8. Verify that all fittings are leak tight
3.5.1 Air Supply Requirements
A high quality air supply greatly improves the quality of control and reduce maintenance
costs of pneumatic equipment. See ANI/ISA-7.0.01-1996 - Quality Standard for
Instrument Air.
3.5.2 Installing an SVI3 in a Natural Gas Environment
Approximately 2.8 SLPM (5.9 SCFH) @ 30psi of natural gas exhausts from the SVI3
Positioner and vented. For indoor applications, take this into consideration and provide
circulation and venting.
Figure 15 Single Acting SVI3 Gas Vents
WARNING
Please refer ES-817 SVI3 Product safety Manual for installation and
operation procedures in natural gas environment.
WARNING
Explosion Proof Conduit Fittings must be used for wiring ports.
During Operation, None of the electrical contacts can be connected/
disconnected. During Operation, Do not remove/install Vent cover,
End cap or fittings.
Gas Vent