ARI Armaturen ASTRA DN250-400 EN - Manual (Page 8)

Page 8 Rev. 0040105004 0212
Operating and installation instructions
ASTRA
®
6.0 Putting the valve into operation
- Proprietary measuring instruments (e.g. ARImetec-DX, ARImetec-D) can be used for
hydraulic calibration.
- The operating instructions for the measuring instruments must be observed.
7.0 Care and maintenance
Maintanance and maintenance-intervals have to be defined by the operator according to
the requirements.
- Keep the spindle well greased!
- Lubricant:
e.g. Berulub HYDROHAF 2
to order at: CARL BECHEM GmbH, Weststraße 120, D-58089 Hagen
or a lubricant wich is suitable for the application.
DN15-200:
- The stem sealing (pos. 6) is maintenance-free.
ATTENTION !
- Before putting the valve into operation, check material, pressure, temperature
and direction of flow.
- Regional safety instructions must be adhered to.
- Residues in piping and valves (dirt, weld beads, etc.) inevitably lead to leakage.
- Touching the valve when it is operating at high (> 50°C) or low (< 0°C) media
temperatures can cause injury.
Affix warning notice or protective insulation as appropriate!
Before putting a new plant into operation or restarting a plant after repairs or
modification, always make sure that:
- All works has been completed!
- The valve is in the correct position for its function.
- Safety devices have been attached.
ATTENTION !
The following points must be observed:
- Pressureless pipe system.
- Medium must be cool.
- Plant must be drained.
- Purge piping systems in case of caustic, inflammable, aggressive or toxic
media.
ATTENTION !
Pay attention, that the lubricant is suitable for the media.