6.3 PILOT SPRING
The correct operation of a pressure relief valve depends upon its spring characteristics, resilience, and compression.
Good pilot operated ressure relief valve operation requires:
• Effective and accurate lift
• Quick closing (no damping effect when reseating)
The adjustment range of the spring must be within ± 5 % of the nominal value.
• Above than +5% adjustment can cause permanent deformation to the spring.
• Below than -5% adjustment can cause the pilot not to open fully.
• For more than +/- 5% adjustment you must contact Trillium Flow Technologies
TM
Sarasin-RSBD
TM
Aftersales Department.
Spring data should be obtained from Trillium Flow Technologies
TM
Sarasin-RSBD
TM
Aftersales Department. When requesting
information, please quote the serial number which is shown on the valve identification plate. Without this number, it may not be
possible to identify the original valve.
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74LP PRESSURE RELIEF VALVE
SARASIN-RSBD
™
