Indices

General

Symbol

Designation

min

Minimum

max

Maximum

avg

Average

alw

Allowable

ttl

Total

st

Stoichiometric

abs

Absolute

n

NStandard temperature and pressure (in standard condition)

b

Operation (in operating condition)

l

Loss

Water/steam state

Symbol

Designation

S

Saturation (boiling state)

΄

Liquid saturated, boiling water

Vaporous saturated, saturated steam


Location/apparatus/system part

Symbol

Designation

SV

Safety valve

PL

Pressure limiter

boi

Boiler

Sys

(Steam boiler) system

bu

(Combustion) burner

P

(Pipe)work

valve

Valves

C

Consumer

dC

Direct consumer

iC

Indirect consumer

OU

Own use

dea

Deaeration

HL

Heat loss

ES

Expansion loss/steam

HX

Heat exchanger

amb

Ambient


Media

Symbol

Designation

A

Air

FG

Flue gas

F

Fuel

MW

Make-up water

PW

Process water

FW

Feed water

S

Steam

HS

Heat-up steam (feed water vessel)

BD

Surface blowdown

VS

Exhaust vapour

Co

Condensate

oCo

Oxygenic condensate

fCo

Oxygen-free condensate