Units
Pressure
The legally-accepted unit of pressure measurement is the Pascal (1 N/m 2 ), as well as its multiples and decimals, but the common unit are the millibar (a multiple of the Pascal) and the torr.
Pressure unit conversion table
Pa
Bar
Kg/cmE2
Atmosph.
g/cmE2
Torr*
Mbar
inch.Hg
Psi
1Pa
1
10E-5
1.02×10 E-5
0.9869×10 E-5
1.02×10 E-2
0.75×10 E-2
10E-2
0.2953×10 E-3
0.1451×10 E-3
1bar
10E5
1
1.02
0.9869
1020
750
1,000
29.53
14.51
1kg/cmE2
0.980×10 E5
0.980
1
0.968
1,000
735
980
28.96
14.22
1Atmosph.
1.013×10 E5
1.013
1.033
1
1033
760
1013
29.95
14.70
1g/cmE2
98
0.098×10E2
10E-3
0.968×10 E-3
1
0.735
0.98
0.02896
0.1422
1Torr*
133.3
0.1333×10 E-2
1.36×10 E-3
0.001316
1.36
1
1.333
0.03937
0.01934
1mbar
100
0.001
1.02×10 E-3
0.9869×10 E-3
1.02
0.750
1
0.02953
0.01451
1inch.Hg
3386
3.386×10E-2
0.03453
0.03345
34.53
25.4
33.86
1
0.4910
1psi
6890
6.89×10E-2
0.0703
0.008
70.3
51.75
68.947
2.041
1
* 1 Torr = 1 mm Hg
Pumping speed
The legally-accepted unit of measurement is the m 3 /sec or its decimal, the dm 3 /sec (litre/sec).
mE3 /s
l/s
mE3 /h
l/mn
CFM
1mE3 /s
1
10E3
3600
6×10E4
2.12×10E3
1l /s
10 -3
1
3.6
60
2.12
1mE3 /h
2.78×10E-4
0.278
1
16.7
5.89×10E-1
1l /mn
1.67×10E-5
0.167
0.06
1
3.53×10E-2
1CFM*
4.72×10E-4
0.471195
1.699
28.32
1
* American unit = cubic feet per minute
Gaseous flow rate
Pa.l/s
Mbar.l/s
Torr.l/s
atm.cmE3 /s
Sccm
Lusec
1Pa.l/s
1
10
7.5
9.87
59.2
600
1mbar.l/s
0.1
1
0.75
0.987
5.92
760
1Torr.l/s
0.133
1.33
1
1.32
78.9
1,000
1atm.cmE3 /s
0.101
1.01
0.76
1
60
760
1sccm
1.69×10E-3
1.69×10E-2
1.27×10E-2
1.67×10E-2
1
12.7
Lusec
1.66×10E-3
1.66×10E-2
1.27×10E-2
1.66×10E-2
7.87×10E-2
1
Temperature
K
°C
o F
K
1
K-273.15
9/5×K-459.67
°C
°C+273.15
1
9/5×°C+32
o F
5/9×( o F+459.67)
5/9×( o F-32)
1
°C
-50
0
50
100
150
200
250
o F
-58
32
122
212
302
392
482
Torque
Nm
Kp m
Kgf cm
Nm
1
0.102
10.2
Kp m
9.81
1
100
Kgf cm
0.098
0.01
1
Stainless Steel Pipe Fitting, Brass Pipe Fitting, Elbow Pipe Fitting, Water Pipe Fitting
ZHEJIANG KINGSIR VALVE CO., LTD. , https://www.kingsir-valve.com