Blank

Carbon Dioxide

Danger

Health Hazard—Fire Hazard—Instability

Helium

Instrument Air

NFPA Color Code

NFPA Diamond

Nitrogen

Out of Service

Warning

Warning—Exposure to This Material Can Cause Damage to the Following Organs/Parts of the Body

1"

2"

3"

3 1/2"

4"

5"

5 5/8"

7"

10 1/2"

3"

3 1/8"

5"

6"

8"

10"

10 1/2"

12"

Metal

Plastic

Synthetic Paper

1/4" to 3/4"

3/4" to 2"

2 1/4" to 7 7/8"

Symbols

Text

Text and Symbols

Reflective

Standard

1 1/4"

ASME A13.1

CGA C-9

EN 12899-1

GHS Standards

OSHA Standard

EAR99

0.004"

0.005"

0.01"

0.065"

-50° F

32° F

140° F

180° F

Back

Front

7"

7 1/2"