Appendix
RMA42
50
Hauser
Conversion factors for various pressure engineering units:
Density:
The density has to be taken from the specifications of the medium that the tank contains.
In the given table standard approximate values that can help for a first orientation are listed
Pascal
Bar
Technical
Atmosphere
Physical
Atmosphere
Torr
Pounds per square
inch
(Pa)
(bar)
(at)
(atm)
(torr)
(psi)
≡
1 N/m
2
≡
1 Mdyn/cm
2
≡
1 kp/cm
2
≡
1 pSTP
≡
1 mmHg
≡
1 lbf/in
2
1 Pa
1
1.0000 * 10
-5
1.0197 * 10
-5
9.8692 * 10
-6
7.5006 * 10
-3
1.4504 * 10
-4
1 bar
1.0000 * 10
5
1
1.0197 * 10
0
9.8692 * 10
-1
7.5006 * 10
2
1.4504 * 10
1
1 at
9.8067 * 10
4
9.8067 * 10
-1
1
9.6784 * 10
-1
7.3556 * 10
2
1.4223 * 10
1
1 atm
1.0133 * 10
5
1.0133 * 10
0
1.0332 * 10
0
1
7.6000 * 10
2
1.4696 * 10
1
1 torr
1.3332 * 10
2
1.3332 * 10
-3
1.3595 * 10
-3
1.3158 * 10
-3
1
1.9337 * 10
-2
1 psi
6.8948 * 10
3
6.8948 * 10
-3
Medium
Density
in kg/m
3
Water (at 3.98 °C)
999.975
Mercury
13595
Bromine
3119
Sulfuric acid
1834
Nitric acid
1512
Glycerin
1260
Nitrobenzene
1220
Deuterium oxide
1105
Acetic Acid
1049
Milk
1030
Seawater
1025
Aniline
1022
Olive oil
910
Benzene
879
Toluene
872
Spirits of turpentine
855
Spirit
830
Diesel fuel
830
Paraffin
800
Methanol
790
Ethyl alcohol
789
Automotive gas (standardized, average
value)
750
Acetone
721
Disulfide
713
Diethyl ether
713
