Alfa Laval Aseptic Mixproof Series, Инструкция по эксплуатации

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4 Operation
Pay attention to possible faults. Study the instructions carefully.
4.2 Trouble shooting
Problem Cause/result
Repair
External product leakage Worn or damaged lip
seal and/or O-ring - Replace the seals
- Replace with seals of a
different rubber grade
Internal product leakage - Worn or product affected
plug seal - Replace the seal
- Replace with a seal of a
different rubber grade
- Product deposits on
the seat and/or plug - Frequent cleaning
- Product pressure exceeds
actuator specification - Use auxiliary air on the spring side
(do not exceed 3 bar). Alfa Laval
article number = 9611995903.
- See section 2.3 Safety precautions
- Reduce product pressure
Water hammer The flow direction is the
same as the closing direction - The flow direction should be
against the closing direction.
- See section 3.2 General installation
- Throttle air release of solenoid in
top unit
The valve does not
open/close Product pressure exceeds
actuator specification - Reduce product pressure
- Use auxiliary air on the spring side.
Always use the pressure relief fittings
(3 bar) on support side.
Alfa Laval article number =
9611995903
If marked with a danger warning, do NOT attempt to cut the actuator open, due to spring under load.
DO NOT DISASSEMBLE
kg
!
Do NOT attempt to disassemble the actuator due to spring under load danger!
SPRING UNDER LOAD
Do not attempt to cut open
kg
!
Do NOT attempt to cut the actuator open due to spring under load danger!
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