6819-01 HERGA, 6819-01 Datasheet - Page 9

• Manufacturer Part Number: 6819-01
• Description: COVER, PRESSURE SWITCH
• Manufacturer: HERGA

6741 / 6742 ~ Medium Pressure Switches
Suitability for use with different operating media
Key:
1999
As a consequence of our policy of continual improvement, we reserve the right to change without notice any detail in this publication. Please see our Conditions of Sale.
Pressure Medium
Chemical Compatibility
Acetone
Ammonia (Liquid)
Amyl Alcohol to 20˚C
Automotive Brake Fluid
Beer
Benzyl Alcohol
Butane
Carbon Dioxide - Dry
Citric Acid
Copper Sulphate (Sol.)
Compressed Air
Cutting Oil
Diesel Oil
Detergent Solution
Fuel Oil
Glycol
Hydraulic Oil
Hydrogen
Lubricating Oil
Milk
Mineral Oil
Natural Gas
Nitric Acid (Dil.)
Oxygen to 70˚C
Petrol
Plating Solution (Chrome)
Salt Water
Sewage
Sulphur Dioxide
Turpentine
Vinegar
Water
= Recommended
= Suitable with modification
= Not suitable
Alternative Pressure Connections
1
/
8
”
NPT Pressure Connector
FOR FURTHER INFORMATION TEL: [phone] FAX: [phone]
6742/20/30/40
50 & 60
Diaphragms
6742/70/80
& 90
Bar
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
Bar
Bar
2.0
1.5
1.0
0.5
8
7
6
5
4
3
PSI
PSI
PSI
120
110
100
90
80
70
60
50
40
30
20
10
30
25
20
15
10
8
6
4
2
0
5
20
0
5
2
30
0.5
Note: Differentials are approximate
0.1
40
2
10
3
6472-70
0.2
50
6472-20
FALLING PRESSURE
FALLING PRESSURE
6472-50
1.0
4
60
4
0.3
15
Chart 1
Chart 2
Chart 3
70
6472-30
5
0.4
6472-80
80
6
20
1.5
90
6
0.5
100 110
6472-40
6472-60
25
8
7
6472-90
0.6
2.0
120
8
0.7
30
10
ISSUE 01
PSI
PSI
Bar
Bar
PSI
Bar