The ex symbol, Environmental safety, Vironmental safety – Goulds Pumps API 3171 - IOM User Manual

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Hazard levels

Hazard level

Indication

DANGER:

A hazardous situation which, if not avoided, will

result in death or serious injury

WARNING:

A hazardous situation which, if not avoided, could

result in death or serious injury

CAUTION:

A hazardous situation which, if not avoided, could

result in minor or moderate injury

NOTICE:

• A potential situation which, if not avoided,

could result in undesirable conditions

• A practice not related to personal injury

Hazard categories

Hazard categories can either fall under hazard levels or let specific symbols replace the ordinary hazard
level symbols.
Electrical hazards are indicated by the following specific symbol:

Electrical Hazard:

These are examples of other categories that can occur. They fall under the ordinary hazard levels and may
use complementing symbols:

• Crush hazard
• Cutting hazard
• Arc flash hazard

The Ex symbol

The Ex symbol indicates safety regulations for Ex-approved products when used in atmospheres that are
potentially explosive or flammable.

Environmental safety

The work area

Always keep the station clean to avoid and/or discover emissions.

Waste and emissions regulations

Observe these safety regulations regarding waste and emissions:

• Appropriately dispose of all waste.
• Handle and dispose of the processed liquid in compliance with applicable environmental regulations.
• Clean up all spills in accordance with safety and environmental procedures.
• Report all environmental emissions to the appropriate authorities.

Introduction and Safety

Model API 3171 Installation, Operation, and Maintenance Manual

5

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