4 abbreviations – Flowserve N-Series Worthington User Manual

Page 18

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N-SERIES OF THRUST POT USER INSTRUCTIONS ENGLISH 07/14

Page 18 of 20

8.4 Abbreviations

Quantity

ISO unit

ISO unit

abbreviation

Multiplication

Factor

1

US unit

US unit

Abbreviation

Area

square meter

square centimeter

cm²

10.764

0.155

square feet

square inch

ft²

in.²

Capacity or
Flow rate

Cubic

meter/hour

m³/h

4.4033

US Gallons/

minute

US gpm

Force

Newton

N

0.2248

Pound force

lbf

Head

meter

m

3.28084

feet

ft

Heat Energy

kilo joule

kJ

0.9478

British

thermal unit

Btu

Length

meter

millimeter

micrometer

m

mm

µm

3.28084
0.03937

0.00003937

feet

inch
inch

ft

in.
in.

Mass

kilogram

gram

kg

g

2.20462

0.035274

pounds
ounces

lb.

oz.

Moment of
Inertia

kilogram

square meter

kg.m²

23.73

pounds

square feet

lb.ft²

Noise

4

decibel

dBA

Power

kilowatt

kW

1.34102

horsepower

hp

Pressure

2

bar

bar

14.5

pounds/in.²

psi

Rotational
Speed

revs per minute

r/min

Stress

Newton/square

millimetre

N/mm²

145.0

pounds/in.²

psi

Temperature

degrees

Celsius

°C

(1.8 x °C) + 32

degrees

Fahrenheit

°F

Torque

Newton meter

Nm

0.7376

pound.feet

lbf.ft

Unbalance

gram millimeter

g.mm

0.001389

ounce-inch

oz-in.

Velocity

meter/second

millimeter/second

m/s

mm/s

3.28084
0.03937

feet/second

inches/second

ft/sec

in./sec

Vibration

3

millimetre/

second

mm/s

0.03937

inches/

second

in./sec

Viscosity

square millimetre/

second or centiStoke

cSt

Volume

cubic meter

liter

l

264.2
33.81

US Gallons

fluid ounce

US gal.

Fl.oz.

1

multiply the ISO unit by the multiplication factor to obtain US units

2

where pressure is not stated to be absolute it is gauge

3

where not stated to be peak it is r.m.s.

4

sound pressure level LpA, re 1m - 20microPa, or sound power level LwA re 1 pW when sound power is

applicable

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