Valves
Excess Flow Valves
Make installation of excess-flow valves as easy as Perfection: We incorporate EFVs directly into Perfection products such as our Permasert couplings and PermaLock tapping tees to help you ensure safe, effective gas delivery.
Overview
Perfection EFVs prevents catastrophic leakage by tripping automatically: When gas flow reaches a critical rate, the force on a ball exceeds the opposing force on a spring, which causes the ball to seal against a seat. Reset is also automatic: Once downstream damage is corrected, a bleed-by or bypass flow of gas lets upstream and downstream pressures equalize, resetting the valve to its open position. (A full-shut-off EFV is also available, which must be reset manually.)
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50561025
KIT STICK 1IPS-SDR 11.0 FLP2600 BSC XMD
51102
STICK,FLP8 BSCXS/F 1T099 XMD
51102010
STICK FLP11 BSCxS/F 1CTS-099 XMD BRG SLV
51128
STICK FLP4 BSC 1/2IPS-SDR9.3 XMD
51128010
STICK FLP4 BSC 1/2IPS-SDR9.3 PE4710
51128011
STICK FLP800 BSC 1/2 IPS-SDR 9.3 XMD
51128012
STICK FLP800 BSC 1/2 IPS-SDR 9.3 PE4710
51128017
STICK FLP600 BSC 1/2IPS-SDR 9.3 PE4710
51128023
STICK FLP800 BSC 1/2 IPS-SDR 9.3 4710/MD
51258
STICK,FLP18 BSC 1CTS-099 XMD
