KOE Check valve with elastic shutter

KOE Check valve with elastic shutter is intended for gas pressure release from the annular space to the flow line.
Using check valve with elastic shutter in oil and gas wells and water-injection wells, especially in winter time, rises well reliability coefficient.

Technical characteristics KOE 101x210.000.SB
Working pressure, PSI (atm) 3086 (210)
Operating temperature, ºС from -50 to +100
Handling medium oil, gas, fresh water, tank water, Cenomanian water, technical water
Maximum pressure for opening the elastic shutter, PSI (atm) 4 (0,3)
a) diameter
b) height

4″/ 101 mm
7/8″/ 22 mm
Weight, lbs (kg) 1,3 (0,6)