
2
APV_SW4_UK-4_082017.indd
UK
Single seat and change-over valve
DELTA SW4
Instruction manual: UK - rev.4
APV
1. General Terms
This instruction manual must be read carefully and observed by the
responsible operating and maintenance personnel.
We point out that we will not accept any liability for damage or
malfunctions resulting from the non-compliance with this instruction
manual.
Descriptions and data given herein are subject to technical changes.
2. Safety Instructions
This instruction manual must be read carefully and observed by the
responsible operating and maintenance personnel.
The valve must only be assembled, operated, disassembled,
serviced and repaired by persons who have been trained
accordingly.
Please contact your local SPX FLOW representative if necessary.
Danger!
This technical safety symbol draws your attention to important
directions for operating safety. You will find it wherever the activities
described are bearing health hazards or risks for persons or
material assets.
Do not touch the open valve.
Risk of injury by sudden valve operation.
In dismantled state there is the risk of crushing by sudden valve
operation!
- Schedule regular maintenance including replacement of all seals
and bearing bushes in order to prevent leakages and emersion of
liquids.
- Depressurize the line system before any maintenance work. Drain
the valve if possible.
- Separate electric and pneumatic connections.
- Observe Service Instructions to ensure safe maintenance of the
valve.