F9000 SurgeFlow Liquid Surge Relief Valves
A pilot-less version of the F7000 series, this valve provides quick relief of pressure surges in oil pipelines or other liquid systems. Piston opens against fixed volume of gas in integral dome reservoir. Elastomer seat for tight shutoff.
Connections: 1” to 12” flanged inlet (1” and 1-1/2” NPT, also)
Set Pressures: to 3705 psig
Temperature Range: -20 to +500 oF
U.S. Patent No. 7,302,961 (December 2007).
For operation diagram, click here