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Maintenance,Cleaning
Type 2035 / 3236
12.3.2. Wearing parts of the diaphragm valve
The diaphragm is subject to wear.
→
If leakage occurs replace the diaphragm. (see chapter "13. Repairs").
A bulging diaphragm may reduce the flow rate.
The replacement of the diaphragm is described in chapter
"13. Repairs".
12.4. cleaning
note!
avoid causing damage with cleaning agents.
▶
Before cleaning, check that the cleaning agents are compatible
with the device materials.
epoxy powder coatings will be attacked by unsuitable
cleaning agents.
▶
Clean the surface with a cleaning agent suitable for this material,
e.g. with 25% alcohol or acetone.
Observe instructions on operation in an explosion-risk (Ex)
area. See chapter "3.1. Use in Ex area"
.
Actuator
Clean the actuator surface using a moist cloth. Only use cleaning
agents that do not attack the actuator surface.
The following actuator versions are available:
Actuator material (attribute AM):
AM = AE:
Actuator body made of epoxy coated aluminium
AM = AP:
Actuator cover made of polypropylene (PP)
AM = AE and
VAR = NC31:
Actuator body made of aluminium
Body / Diaphragm
The bodies are suitable for CIP. Clean the valves using cleaning
agents that do not attack the body and diaphragm materials. Avoid
cleaning agents with high pH values.
english
Summary of Contents for 2035
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