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WW-73Q

Quick Pressure Relief Valve

The Model 73Q Quick Pressure Relief Valve is a hydraulically operated, diaphragm actuated control valve that relieves excessive system pressure when this pressure rises above the pre-set value. It immediately, accurately, and with high repeatability responds to system pressure rise by fully opening. The Model 73Q provides smooth drip tight closing.
 

Features and Benefits

  • Hydraulic actuation
    • Independent operation
    • Long term drip-tight sealing
    • Long term setting stability
    • Wide setting range
    • Tight setting window
    • Minimal hysteresis
  • Double chamber design
    • Moderated valve closing (no surges)
    • Protected diaphragm
  • Obstacle free, full bore – Uncompromising reliability
  • Balanced seal disk – High relief flow capacity
  • Manual test valve – No setting change required
     

Typical Applications

The Model 73Q Quick Pressure Relief Valve protects against:

  • Momentary high pressure peaks Failure of other system components
  • Excessive pressure from another source Static condition leaking of pressure reducing valves