RPRR (Rapid pressure rise relay)
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Quick-Response Safety Relay -
Rapid Pressure Detection Unit -
Fast Pressure Protection Relay -
Pressure Surge Relay PSR-150 -
Instantaneous Pressure Relay -
High-Speed Pressure Monitor -
Emergency Pressure Relay EPR-200 -
Quick-Trip Pressure Relay -
Rapid Response Pressure Switch -
Fast-Acting Pressure Relay FAPR-100
