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maritime DC & PPE Information Center
 
SYSTEMS
Valve Color Code Tip 002: Color Code Table of  Pics for Systems  (__=Needed , X=Have)

System

Color

PIC

Access fittings (Submarines only)

Black

AFFF Concentrate

Striped Light Blue/Red

X

AFFF Solution (concentrate/salt water mix)

Striped Red/Dark Green

X

Amine Dry Cleaning Fluid

Seal Brown

Bleed Air

Green-gray

Bleed Air Anti-icing

Striped green-gray/light blue

Bleed Air Masker

Striped green-gray/light yellow

Bleed Air Prairie

Striped green-gray/dark blue

Bleed Air Starting

Striped green-gray/orange

Carbon Dioxide (Submarines only)

Violet

Chilled Water (Submarines only)

Dark Blue

Chilled Water (Surface Ships only)

Striped Light Blue/Dark Green

X

Deballast Air

Striped Tan/Black

Demineralized Electronic Cooling Water (Submarines only)

Dark Blue

Demineralized Electronic Cooling Water (Surface Ships only)

Striped Light Blue/Dark Purple

X

Fire Main (including root valves and plugs)

Red

X

Foam Discharge Plugs (AFFF)

Striped Red/Green

X

Fresh water, Condensate, Feed, and Distillate (Submarines only)

Dark Blue

Fresh water, Condensate, Feed, and Distillate (Surface Ships Only)

Light Blue

X

Fuel Oil

Yellow

X

Gasoline

Yellow

Halon

Striped Gray/White

X

Helium

Buff

Helium/Oxygen

Striped Buff/Green

HP Air (1000 psig and up)

Dark Gray

Hydraulic Oil

Orange

Hydrogen

Chartreuse

Jacket Water/Waste Heat

Striped Light Blue/Black

JP-5

Light Purple

X

LP Air and Salvage Air

Tan

Lube Oil (including PolyAlphaOlefin (PAO) electronic cooling)

Striped Black/Yellow

MP Air (above 150 psig and less than 1000 psig)

Striped dark-gray/tan

Nitrogen

Light Gray

Oil Pollution Abatement (OPA -Surface Ships only)

Black

Oxygen

Light Green

Potable Water

Dark Blue

X

Primary Coolant and Charging Water (Submarines only)

Light Blue

Seawater (other than fire main and sprinkling). Includes Main and Secondary Drainage, Waste Drainage, Distilling Plant Feed, Distilling Plant Brine Overboard, and Countermeasure Wash Down.

Dark Green

X

Refrigerant

Dark Purple

Sewage

Gold

X

Steam and Steam Drains

White

X

Water Mist

Striped Red/Dark Blue

X