Page 56 - Schmalz - Vacuum Components

2_Kap_VT_EN_2016_VT_KAT 18.02.16 09:36 Seite 56
PA01019111_inh_EN.pdf
Vacuum Knowledge
Units and Conversion Tables
PA01019111_inh_EN.pdf PA01019111_inh_EN.pdf

Conversion tables
Schmalz - The Company Length Mass

2.20
3.281
1
1 m m ft in 1 kg kg lb oz
39.370
1.000
35.27
12.000
1 lb (pound)
1 ft (foot)
1.000
0.305
16
1
0.45
Vacuum Knowledge 1 in (inch) 0.025 0.083 1.000 1 oz (ounce) 0.03 0.06 1
Temperature K °C °F Suction rate 3 l/s 3 l/min
Vacuum Suction Cups 1 Kelvin 1 274.15 -272.15 -457.87 m /s m /s 1,000 m /h 60,000
3
1
3,600
1
33.8
l/s
-3
1 °Celsius
60
1
3.6
10
1 °Fahrenheit 255.93 -17.22 1 m /h 2.78 x 10 -4 0.278 1 16.67
3
l/min 1.67 x 10 -5 1.67 x 10 -2 0.06 1
Special Grippers Pressure Volume
bar N/cm 2 kPa mbar m 3 m 3 cm 3 6 l 1,000
Vacuum Grip- ping Systems 1 N/cm 2 0.1 10 10 100 cm 3 1 1 x 10 -6 -3 1 x 10 1 x 10 -3
10
1 bar
1
3
100
1
1
1
l
0.01
10
1
1 kPa
1,000
0.1
1 x 10
1 mbar 10 -3 0.01 0.1 1
Mounting Elements Vacuum ranges Absolute pressure in mbar Mean free path of atoms*
Low vacuum 1,000 – 1 68 nm – 0,1 mm
Medium vacuum 1 – 10 -3 -7 0.1 mm – 100 mm
-3
10 – 10
100 mm – 1 km
High vacuum
Vacuum Generators Ultra high vacuum < 10 -7 > 1 km
*The number density of molecules for a temperature of 20°C
Thread designation
Valve Technology Thread External diameter in mm Bead wire diameter in mm Pitch in mm
Metric ISO thread
M3 3.00 2.5 0.50
Switches and Monitoring M5 5.00 4.1 0.80
0.70
3.2
M4
4.00
6.00
4.9
1.00
M6
M8 8.00 6.6 1.25
8.4
M10 10.00 10.1 1.50
Filters and Connections Metric ISO fine thread 14.00 12.5 1.50
1.75
12.00
M12
1.00
M14x1.5
14.9
M16x1 16.00 18.4 1.50
M20x1.5 20.00 28.4 1.50
Services M30x1.5 30.00
Pipe thread
1
G ⁄8 9.73 8.5 0.91
1 13.16 11.4 1.34
G ⁄4
3 16.66 14.9 1.34
G ⁄8
Contact G ⁄2 21,00 18.6 1.81
1
24.1
26.44
3
1.81
G ⁄4
G1 33.25 30.3 2.31
1 41.91 39.0 2.31
G1 ⁄4
1 47.80 44.8 2.31
Index of Products G2 1 59.61 56.6 2.31
G1 ⁄2
75.18
72.2
2.31
G2 ⁄2
56
PA01019111_inh_EN.pdf