36 m-radialdiaphragmvalve-en-02
the actuator seals need to be replaced. The frequency depends upon the number of
actuations performed.
• Diaphragm overuse—infrequent replacement - Diaphragm lifetime depends upon
your process and the chemicals that it comes into contact with.
Replacement at correct intervals will significantly increase the lifetime of your valve
and actuator, therefore maximising your return on investment.
• Chemical incompatibility - This is the most common cause of diaphragm failure. It is
therefore critical to select a diaphragm material that is compatible with the
chemicals used in your process.
• Incompatible operating temperature - Using a diaphragm at a temperature higher
than it is rated for can cause leaks as the material degrades or melts, which can in
turn lead to valve and actuator damage.
Make sure that you select an elastomer for your process than can handle the
temperatures of your process.
If you cannot find the cause of your diaphragm failure, please contact your local sales
office.
11.1 Technical support
ASEPCO offers comprehensive after-sales service. If any adverse issue (such as material
defect or valve function) develops with your valve, contact ASEPCO immediately to
determine the most effective resolution for the issue.
For spare parts and advice regarding operation of your ASEPCO valve, contact your local
sales office or visit www.wmftg.com.
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