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Assembly and maintenance instructions
Pressure reducing valve 683
1
General Notes of Safety
• Only use the valve:
- for the intended purpose
- in satisfactory condition
- with respect for safety and potential hazards
• Use only for gases compatible with the materials used.
• Always observe the installation instructions.
• To ensure correct use always make sure to only install the pressure reducer in
places where the operating pressure and temperature do not exceed the design
criteria on which the order is based. The manufacturer shall not be responsible
for damage caused by outside forces or other external influences! Hazards at
the pressure reducer caused by the flow medium and operating pressure are to
be avoided through appropriate measures.
• All assembly work is to be carried out by authorized specialist staff.
2
Technical Data
G
DN
Installed length L (mm)
Weight in kg
Field of use
Primary pressure
Secondary pressure
Materials
Temperature range
Assembly and maintenance instructions - 683
3/8"
1/2"
10
15
73
73
0,5
0,5
Air and neutral gases
up to 50 bar (up to 30 bar at DN 32)
3/4"
20
70
0,8
1,5 - 10 bar
gunmetal / brass
-10 °C up to 95 °C
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1"
1 1/4"
25
32
87
100
1,4
2
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