Baker Hughes Masoneilan SVI II ESD Quick Start Manual page 37

Sil3 emergency shutdown device & pst controller

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WARNING

EXPLOSION HAZARD - An improperly installed cover could leak

natural gas into the area.

The interior of the SVI II ESD is positively pressure with supply

medium. Appropriate safety measures must be taken to handle

pressurized natural gas that may enter the electrical conduit or

cable system.

EXPLOSION HAZARD - A missing or improperly installed conduit

seal, cable seal, or cable gland could leak natural gas into the

conduit/cable system, and/or into any area where the conduit/

cabling system is present or connected to.

Natural gas will constantly bleed and possibly vent from the SVI II

ESD if connected to a natural gas supply. Hazardous area

clarification is the responsibility of the end user. area ventilation

and other safety measures may be required to maintain a safe

environment.

Installation in poorly ventilated confined areas, with any potential

of gases other than oxygen being present, can lead to a risk of

personnel asphyxiation.

Isolate the valve from the process and disconnect air tubing from

the positioner. Disconnect air fully to avoid injury or process

damage.

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Masoneilan SVI II ESD Quick Start Guide =| 37

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Masoneilan svi ii esd sil3