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877.534.5157 | DuraLabel.com | GraphicProducts.com A Graphic Products Library Resource Facility Identification Evaluation Guide

Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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Page 1: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

877.534.5157 | DuraLabel.com | GraphicProducts.com

A Graphic Products Library Resource

Facility Identification Evaluation Guide

Page 2: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER
Page 3: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

Have you identified all areas that require OSHA safety signs?3

FACILITY IDENTIFICATION EVALUATION GUIDEGraphic Products is the global leader in workplace labeling and signage. We’re offering this complimentary Facility Identification Evaluation Guide to you based on our extensive experience with compliance issues and our customers’ requirements for improved productivity. Feel free to contact us at 877.534.5157 to help you evaluate the information you gathered and provide the best visual communication and compliance solutions for your facility.

GENERAL PIPE LABELING .................................................................pg 1How could labeling reduce labor time and increase safety?

OSHA COMPLIANCE & SAFETY......................................................pg 3Do you know what to look for in the event of an emergency?

ELECTRICAL HAZARDS .......................................................................pg 5How can you meet electrical labeling requirements?

HAZARDOUS MATERIALS ..................................................................pg 7Who in your facility has the authority to label chemical containers?

WAREHOUSE ...............................................................................................pg 9What areas need to be labeled in a warehouse for maximum safety?

PERSONAL PROTECTIVE EQUIPMENT .................................. pg 11What areas require PPE?

VOLUNTARY SAFETY & INSTRUCTIONAL SIGNAGE .... pg 13What else could increase safety awareness?

ANSI/ASME A13.1 PIPE MARKING GUIDE ....................... pg 14

AMMONIA PIPE MARKING GUIDE ............................................pg 16

Have you used a pipe marking guide to aid in properly customizing pipe markers?14

The information presented in this document was obtained from sources that we deem reliable; Graphic Products, Inc. has made every effort to ensure this information is correct. However, we do not guarantee accuracy or completeness. Graphic Products, Inc. makes no representations or warranties of any kind, express or implied. Information in this document is subject to change without notice. Graphic Products, Inc. disclaims liability for injury, damages, or loss of any kind arising from the use of this document whether in contract, tort, under statute, or otherwise. No reliance should be placed on information contained in, implied by or inferred from this document. Users of this document should consult municipal, state, and federal code and/or verify all information with the appropriate regulatory agency.

Please feel free to share this with

someone else who could use it.

Thank you!

PASS

IT ON

Page 4: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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Identify and list all markings that are inconsistent throughout the facility. (Do some labels change in appearance for the same pipes from one section of the facility to another?)

Identify and list unmarked valves with a valve number, line contents, and valve description.

Can you stand in any location in the plant and know the contents of every pipe you can see? If not, list those pipes.

Identify straight pipe runs that do not have labels in 50' intervals.

GENERAL PIPE LABELING Concise and legible labeling will prevent injuries, fatalities, and reduce the amount of time it takes to complete repairs. Pay close attention to common areas consistently not marked such as machinery, pipes, valves and HVAC systems. Take this guide with you to create your pipe marking list as you walk through your facility.

Page 5: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

DuraLabel.com 2877.534.5157

GENERAL PIPE LABELING

Identify pipes not marked at all transition points, floor, wall, and ceiling penetrations.

Identify pipes not marked appropriate to ANSI specifications. (See the ANSI/ASME A13.1 Pipe Marking Guide section at the end of this guide)

Identify all ammonia pipes (including HVAC and Cold Storage areas) not marked to IIAR specifications. (See the Ammonia Pipe Marking Guide at the end of this guide)

Page 6: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

3 DuraLabel.com877.534.5157

Identify machine-specific lockout instructions that are not clearly posted.

Identify custom operating instructions that are not posted at operator positions.

Identify illegible or unclear equipment maintenance instructions.

Identify department leaders’ phone numbers not posted for questions, as well as missing emergency contact information.

Identify emergency procedures not clearly posted.

OSHA COMPLIANCE & SAFETY OSHA compliance is a major issue for all areas. Updating directional and safety signs improves morale by announcing to your employees that you are concerned for their safety. Be cognizant of other agencies such as the National Fire Protection Association (NFPA) which creates guidelines to limit injuries in the workplace.

Page 7: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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Identify all important safety measures that need to be posted and the locations where they need to be posted.

Identify all evacuation routes not clearly marked.

Can you stand anywhere in the plant and see an exit or a sign that shows the way to an exit? If not, identify those locations.

Identify doors that can be mistaken for an exit.

Identify all areas requiring safety signs but are not clearly posted.

Identify areas where additional non-mandatory safety information will result in a safer work environment.

OSHA COMPLIANCE & SAFETY

Page 8: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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Identify equipment with unmarked energy sources to assist with lockout/tagout (LOTO) procedures.

Identify machine-specific electrical connection points that need to be posted on high voltage equipment.

Identify all switches and controls not clearly marked.

Identify electrical panels not clearly marked with 36" clearance and high voltage warning labels, along with the specific voltage, panel number, and breaker identification.

Identify floor areas in front of panels that need to be marked to keep the area clear.

ELECTRICAL HAZARDS Electrical equipment can pose significant hazards. Compliance with the NFPA 70E arc flash hazard standards can save lives. Prevention of fatality or serious injury starts with identifying electrical energy sources. Use this checklist to eliminate potential threats to your workers.

Page 9: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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ELECTRICAL HAZARDS

Identify all panels, breakers, and switches not clearly marked to identify what they control.

Identify all electrical wires, cables, bundles, and conduits not marked.

Identify every utility terminal or piece of equipment that does not have the available fault current listed.

Page 10: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

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Does your facility use secondary (non-manufacturer) containers for chemicals, cleaners, solvents, or for disposal? If so, identify those not properly marked with hazardous material labels.

Which managers have the authority to create and apply appropriate labels to these containers? (contents, target organs, and health hazards) Are those authorized, fully trained on HazCom 2012?

Identify all hazardous waste containers, tanks, and vessels not clearly marked.

Identify hazardous waste storage areas that are not marked.

Identify all areas containing asbestos that are not marked.

HAZARDOUS MATERIALS NFPA Diamond labels are designed to let first responders know the types of chemicals they are exposed to at the site of an accident. They are also used to satisfy OSHA’s “Right-to-Know” standards. That will change when OSHA requires compliance with the Globally Harmonized System (GHS) HazCom 2012 standards in June of 2015.

Page 11: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

DuraLabel.com 8877.534.5157

Page 12: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

9 DuraLabel.com877.534.5157

Identify all bins, racks, and shelves not clearly and uniformly marked for instant identification.

Identify all clearance and load limits not clearly marked.

Identify all areas where forklift/trucks operate that are not clearly marked.

WAREHOUSE Your warehouse is a hub of activity. Everything that is used to make your products, as well as everything that is produced, moves through the warehouse. Consistent and clear markings improve efficiency and safety in warehouse operations.

• Full-size ergonomic QWERTY keyboard• Comes complete with its own software;

no need for computer or IT support• Easy-to-read 3.5" color screen CALL TODAY 877.534.5157

Page 13: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

DuraLabel.com 10877.534.5157

Page 14: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

11 DuraLabel.com877.534.5157

Identify all doors leading to areas where PPE is required that are not appropriately marked.

Identify all areas that require PPE not appropriately identified by signs or labels.

Identify all areas that require entry permits that are not appropriately marked.

Identify areas where instructions for obtaining permits are not posted.

PERSONAL PROTECTIVE EQUIPMENT OSHA requires mandatory marking of all areas that require personal protective equipment (PPE). These areas include confined spaces, places where arc flash hazards exist, and areas that require special training and/or permits to enter.

DuraLabel Sign Blanks are available in various sizes and material types for temporary and permanent applications.

Page 15: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

DuraLabel.com 12877.534.5157

PERSONAL PROTECTIVE EQUIPMENT

Identify all first aid, safety shower, and eye wash stations that need to be marked.

Identify all compressed gas storage containers and storage areas not clearly marked.

Identify any scaffolding, lift equipment, and ladders not properly marked.

Page 16: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

13 DuraLabel.com877.534.5157

Identify any place you think voluntary safety and instructional signage would increase your facility’s productivity and/or safety.

VOLUNTARY SAFETY & INSTRUCTIONAL SIGNAGE Voluntary safety and instructional signage can be a significant part of facility safety and productivity. Step-by-step equipment cleaning instructions are not mandatory but can aid in efficiency. Many facilities have areas which “everyone knows about” but aren’t marked. Walk through the facility and note below where improvements can be made with this type of signage.

© 2006, 2014 Graphic Products, Inc. All Rights Reserved.

GraphicProducts.com/labeling-assistant

Page 17: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

DuraLabel.com 14877.534.5157

MATERIAL PROPERTY DEFINITION OF MATERIAL PROPERTYLETTER COLOR ON

FIELD COLOR EXAMPLE

Flammable Fluids which are a vapor or produce vapors that can ignite and continue to burn in air. Black on Yellow

Combustible Fluids that may burn but are not flammable. White on Brown

Toxic & Corrosive

Fluids which are corrosive or toxic or will produce corrosive or toxic substances. Black on Orange

Fire Quenching Water and other substances used in fire fighting systems. White on Red

Other Water Any other water except for water used in fire fighting systems. White on Green

Compressed Air Any vapor or gas under pressure that does not fit a category above. White on Blue

Defined by User Defined by user. White on Black

Defined by User Defined by user. Black on White

Defined by User Defined by user. White on Purple

Defined by User Defined by user. White on Gray

MARKER LOCATION Pipe markers shall be placed:• to indicate direction of flow by labeling with arrows

at one or both ends of the label• to be visible from the point of normal approach • near valves, flanges and changes in pipe direction • both sides of ceiling, wall or floor penetrations • at any line entry or re-entry point• on straight pipe runs every 25 ft to 50 ft is typical

ANSI/ASME A13.1 PIPE MARKING GUIDEThe following Pipe Marking Guide, offered by Graphic Products to aid in properly customizing pipe markers, complies with the ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes.

DEFINED BY USER

DEFINED BY USER

DEFINED BY USER

DEFINED BY USER

BOILER WATER

COMPRESSED AIR

HYDROGEN

NITRIC ACID

ACETIC ACID

SPRINKLER WATER

COLOR CODE

This guide is for general information purposes only. It is not a substitute for review of applicable standards. © 2011, 2014 Graphic Products, Inc. All Rights Reserved.

PIPE MARKER SIZE CHART Letter & Label Dimensions in accordance with pipe diameter

Outside Pipe Diameter Including Covering

Minimum Length ofLabel Field Color

Minimum Height of Letters

.75" - 1.25"1.5" - 2"2.5" - 6"8" - 10"Over 10"

(19 - 32 mm)(38 - 51 mm)(64 - 152 mm)(203 - 254 mm)(Over 254 mm)

8"8"12"24"32"

(203 mm)(203 mm)(305 mm)(610 mm)(813 mm)

.5"

.75"1.25"2.5"3.5"

(13 mm)(19 mm)(32 mm)(64 mm)(89 mm)

NOTE: It is recommended that pipes less than .75" in diameter, be labeled with a permanent tag

Pipes shall be placed…

...adjacent to changes in direction

...adjacent to all valves & flanges

...both sides of floor/wall penetrations

...every 25' - 50' on straight runs is typical

Label placement in relation to point of normal approach

Page 18: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER
Page 19: Facility Identification Evaluation · PDF fileANSI/ASME A13.1 PIPE MARKING GUIDE ... ANSI/ASME A13.1 - 2007 Standard for the Identification of Pipes. DEFINED BY USER DEFINED BY USER

L O WAC

CUM

ULAT

OR

1. P

ipin

g Ab

brev

iatio

n Id

entifi

es th

e pa

rt o

f the

sys

tem

with

text

prin

ted

in b

lack

on

an o

rang

e ba

ckgr

ound

. Abb

revi

atio

ns a

re re

com

men

ded;

see

tabl

e of

Pip

ing

Abbr

evia

tions

. If a

dditi

onal

iden

tifyi

ng in

form

atio

n is

nee

ded,

incl

ude

it he

re.

2.

Phys

ical

Sta

te

• Fo

r liq

uid

amm

onia

, sho

w “L

IQ” i

n bl

ack

on a

yello

w b

and

• Fo

r vap

or, s

how

“VA

P” in

bla

ck o

n a

sky

blue

ban

d •

If b

oth

stat

es m

ay b

e pr

esen

t, bo

th e

lem

ents

may

app

ear

3.

Pipe

Con

tent

s Th

e wo

rd “A

MM

ONIA

” sho

uld

be p

rinte

d in

bla

ck o

n an

ora

nge

back

grou

nd.

4.

Pres

sure

Lev

el

• Fo

r con

tent

s at

70

psig

or l

ess,

sho

w “

LOW

” in

bla

ck o

n a

gr

een

band

For

con

tent

s ab

ove

70 p

sig,

sho

w “

HIG

H”

in b

lack

on

a re

d ba

nd

5.

Flow

Dire

ctio

n Sh

ow th

e di

rect

ion

of fl

ow w

ith d

irect

iona

l arro

ws,

prin

ted

in b

lack

on

an o

rang

e ba

ckgr

ound

. The

arro

ws

may

app

ear a

t one

or b

oth

ends

of t

he la

bel,

and

may

re

peat

aro

und

the

circ

umfe

renc

e of

the

pipe

if d

esire

d.

Pipi

ng A

bbre

viat

ions

Pipi

ng D

escr

iptio

nAb

br.

Boos

ter D

ischa

rge

BDBo

oste

r Suc

tion

BSCo

nden

ser D

rain

CDEc

onom

izer S

uctio

nES

High

Pre

ssur

e Liq

uid

HPL

High

Sta

ge D

ischa

rge

HSD

High

Sta

ge S

uctio

nHS

SHi

gh Te

mpe

ratu

re R

ecirc

ulat

ed

Liqui

dHT

RL

High

Tem

pera

ture

Rec

ircul

ated

Su

ctio

nHT

RS

High

Tem

pera

ture

Suc

tion

HTS

Hot G

as D

efro

stHG

DIn

term

edia

te P

ress

ure L

iqui

dIP

LLiq

uid

Inje

ctio

n Coo

ling

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w St

age S

uctio

nLS

SLo

w Te

mpe

ratu

re R

ecirc

ulat

ed Li

quid

LTRL

Low

Tem

pera

ture

Rec

ircul

ated

Su

ctio

nLT

RS

Low

Tem

pera

ture

Suc

tion

LTS

Med

ium

Tem

pera

ture

Rec

ircul

ated

Liq

uid

MTR

L

Med

ium

Tem

pera

ture

Rec

ircul

ated

Su

ctio

nM

TRS

Med

ium

Tem

pera

ture

Suc

tion

MTS

Oil D

rain

ODPu

mp

Out

PORe

lief V

ent

RVSu

b-Co

oled

Liqu

idSC

LTh

erm

osyp

hon R

etur

nTS

RTh

erm

osyp

hon S

uppl

yTS

STh

erm

osyp

hon V

ent

TSV

Pipe

Mar

ker D

imen

sion

s

Outs

ide P

ipe D

iam

eter

In

clud

ing C

over

ing

Min

imum

M

arke

r Hei

ght

Min

imum

M

arke

r Len

gth

Min

imum

He

ight

of Le

tters

Min

. Wid

th of

St

ate/

Pres

s. Ba

nds

Up to

1.25

"1.

25"

- 2"

2" - 7

"7"

- 10"

Over

10"

32 m

m32

- 51 m

m51

- 178

mm

178 -

254 m

mOv

er 25

4 mm

1" 1.5"

2.5"

3.5"

4.5"

25 m

m38

mm

64 m

m89

mm

114

mm

8" 8" 12"

24"

32"

203

mm

203

mm

305

mm

610

mm

813

mm

.5"

.75"

1.25

"2.

5"3.

5"

13 m

m19

mm

32 m

m64

mm

89 m

m

.5"

.75"

1" 1.5"

2"

13 m

m19

mm

25 m

m38

mm

51 m

m

Pipe

Mar

ker L

ocat

ions

• B

efor

e an

d af

ter a

ny c

hang

e in

pip

e di

rect

ion.

If th

e pi

pe e

nds

at e

quip

men

t or

cha

nges

dire

ctio

n ag

ain

with

in 2

4 in

ches

(61c

m),

the

labe

l in

the

shor

t sp

ace

may

be

omitt

ed.

• B

efor

e an

d af

ter a

ny w

all,

ceili

ng, o

r floo

r pen

etra

tion.

• N

o fa

rthe

r tha

n 40

feet

(12m

) apa

rt o

n ex

tend

ed ru

ns o

f pip

e.•

At l

east

onc

e in

eac

h ro

om o

r are

a th

roug

h w

hich

the

pipe

pas

ses.

Syst

em C

ompo

nent

Mar

kers

– T

wo-

Part

Lab

els

Am

mon

ia P

ipe

Mar

kers

– F

ive-

Part

Lab

els

1. C

ompo

nent

Iden

tifier

N

ame

the

com

pone

nt w

ith b

lack

te

xt o

n an

ora

nge

back

grou

nd.

Abbr

evia

tions

are

acc

epta

ble;

se

e th

e ta

ble

of C

ompo

nent

Ab

brev

iatio

ns. I

f add

ition

al

iden

tifyi

ng in

form

atio

n is

nee

ded,

in

clud

e it

here

.

2.

Pres

sure

Lev

el•

For

con

tent

s at

70

psig

or l

ess,

sho

w

“LOW

” in

bla

ck o

n a

gree

n ba

nd•

For

con

tent

s ab

ove

70 p

sig,

sh

ow “

HIG

H”

in b

lack

on

a re

d ba

nd

Com

pone

nt M

arke

r Dim

ensi

ons

• A

t lea

st 3

.5 in

ches

hig

h•

Let

terin

g at

leas

t 2.5

inch

es h

igh

• M

arke

r len

gth

will

var

y to

allo

w

for t

he le

ngth

of t

he c

ompo

nent

na

me

• P

ress

ure

leve

l ban

d sh

ould

be

at

leas

t 1.5

inch

es w

ide

Com

pone

nt A

bbre

viat

ions

Com

pone

nt/E

quip

men

tAb

br.

Accu

mul

ator

(with

/with

out i

nt. c

oil)

ACC

Air C

oole

d Co

nden

ser

ACAi

r Han

dlin

g Uni

tAH

UAi

r Uni

tAU

Boos

ter C

ompr

esso

rBC

Cont

rolle

d Pr

essu

re R

ecei

ver

CPR

Evap

orat

ive C

onde

nser

ECHe

at Ex

chan

ger

HEX

High

Pre

ssur

e Rec

eive

rHP

RHi

gh S

tage

Com

pres

sor

HSC

High

Tem

pera

ture

Rec

ircul

ator

HTR

Inte

rcoo

ler (

with

/with

out i

nt. c

oil)

ICLiq

uid

Trans

fer U

nit

LTU

Low

Tem

pera

ture

Com

pres

sor

LTC

Low

Tem

pera

ture

Rec

ircul

ator

LTR

Low

Low

Tem

p Re

circu

lato

rLL

TROi

l Pot

OPOi

l Sep

arat

orOS

Pilo

t Rec

eive

rPR

Purg

er U

nit

PRG

Refri

gera

nt P

ump

RPRe

frige

rate

d M

ake-

Up A

ir Un

itRM

AURo

ofto

p Ai

r Uni

tRT

USu

rge D

rum

SDSw

ing C

ompr

esso

rSW

CTh

erm

osyp

hon R

ecei

ver

TSR

Wat

er C

oole

d Co

nden

ser

WC

IIAR

Sug

gest

ed P

ipe

Colo

r Sch

eme

In a

dditi

on to

the

deta

iled

labe

ls, i

t may

be

help

ful

to in

clud

e a

colo

r cod

e fo

r ref

riger

atio

n sy

stem

pi

pes.

The

se c

olor

s m

ay

be a

pplie

d as

pai

nt o

ver

the

leng

th o

f the

pip

e, o

r as

ban

ds o

f col

or a

pplie

d pe

riodi

cally

, as

suffi

cien

t fo

r pip

e re

cogn

ition

. IIA

R Bu

lletin

No.

114

sug

gest

s th

e co

lor s

chem

e sh

own

at ri

ght.

Colo

rPi

pe D

esig

natio

n

Oran

geHi

gh P

ress

ure L

iqui

d

Yello

wHi

gh P

ress

ure V

apor

Sky B

lue

Low

Pres

sure

, Hig

h Tem

pera

ture

Liqu

id/V

apor

Blue

Low

Pres

sure

, Low

Tem

pera

ture

Liqu

id/V

apor

Purp

leLo

w Pr

essu

re, V

ery L

ow Te

mpe

ratu

re Li

quid

/Vap

or

Gray

Pres

sure

Rel

ief V

ent p

ipin

g

Gree

nNo

nvol

atile

, Non

-pre

ssur

ized

Proc

ess p

ipin

gTh

is, or

any o

ther

pipe

colo

ring s

chem

e, sh

ould

only

be us

ed in

conj

unct

ion w

ith a

clear

ly po

sted

lege

nd or

key d

escr

ibin

g the

colo

r sch

eme i

n pla

ce.

11

22

45

3

L O W

H I G H

L O W

H I G H

L I Q

V A P

AMM

ON

IA P

IPE

MAR

KIN

G G

UID

ETh

is gu

ide f

ollow

s Int

erna

tiona

l Insti

tute

of Am

mon

ia Re

frige

ratio

n (IIA

R) B

ullet

in No

. 114

, as r

evise

d in 2

014.

Facil

ities

us

ing an

olde

r ver

sion o

f the

stan

dard

may

cont

inue t

o do s

o, as

long

as th

eir us

age i

s con

siste

nt an

d doc

umen

ted.

This

gui

de is

for g

ener

al in

form

atio

n pu

rpos

es o

nly.

It is

not

a s

ubst

itute

for r

evie

w o

f app

licab

le s

tand

ards

or r

egul

atio

ns. ©

200

7, 2

014

Gra

phic

Pro

duct

s, In

c. A

ll Ri

ghts

Res

erve

d.

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