PORV

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Pilot-Operated Relief Valve. Used to relieve large flows with small pressure differential.

"Because these valves do not start opening until the system reaches 90% of full pressure, the efficiency of the system is protected because less oil is released. These valves are best suited for high pressure, high volume applications. Although their operation is slower than that of direct-acting relief valves, pilot-operated relief valves maintain a system at a more constant pressure while relieving."[1]

Contents

[edit] See also

[edit] External links

Sample PORV: http://www.taylorvalve.com/93Main.aspx

[edit] References

[1] [2]

[edit] Notes

  1. ^ Pressure-control valves - part 1.no opening until 90% of full pressure
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