SPX APV DELTA SDU4, Operating Manual, Page: 7 / 39

This operating manual has to be read carefully and observed by
the competent operating and maintenance personnel.
We have to point out that we will not accept any liability for
damage or malfunctions resulting from the non-compliance with
this operating manual.
Descriptions and data given herein are subject to technical changes.
2. Safety Instructions
- Danger !
- The technical safety symbol draws your attention to important
directions for operating safety. You will find it wherever the activities
described are bearing risks of personal injury.
- Electric and pneumatic connections must be separated.
- Before any maintenance of the valve, the line system must be
depressurized.
- Do not reach into the open valve.
- Risk of injury by suddenly operating valve. In dismantled state there
is the risk of bruising at movable parts of the valve.
- Observe service instructions to ensure safe maintenance of
the valve.
- Attention!
With valve design NC (normally closed): Before releasing
the housing screws, the valve insert must be relieved by
controlling the actuator.
- The welded actuator is under spring load, do not open it by force.
1. General Terms
2
Double Seal Change-Over Valves
Delta SDU 4
Operating Manual Rev. 1
UK