2.3
Medium
Neutral liquids, in particular water and water containing additives, which do not
attack the housing and the sealing material.
Sealing material:
Housing material:
Minimum pressure difference for complete opening of the valve: 1 bar
ATTENTION!
3
INSTALLATION AND COMMISSIONING
3.1
Installation
Before installing the valve, clean the piping system!
Where necessary, fit a strainer upstream to protect against faults!
Observe the direction of flow!
Seal the thread using PTFE tape.
When installing the valve, ensure that the valve block is not distorted:
- provide adequate support for the piping system
- align the piping system
•
Maximum permissible torque M
for G 3/4" connections from plastic:
4 Nm
•
Maximum permissible bending moment M
for all connections:
6 Nm
ATTENTION!
4 - 6227
NBR
PA
Continual pressure surges can shorten the service life of the
diaphragm!
:
t
Do not use the pilot valve as a lever when screwing in the
pipe connection!
Do not distort the valve housing during the installation!
Max. ambient temperature for continuous operation: +55 °C!
:
B
M
t
M
B