Burkert Type 3236 - Manual (Page 30)

30
Maintenance,Cleaning
Type 2035 / 3236
12.3.2. Wearing parts of the diaphragm valve
The diaphragm is subject to wear.
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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.
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