Fitting The Atkinson Overfill Prevention Valve (GV4000)
Filstop Valve GV4000 Technical Specification Min Flow: 50 litre/min The Atkinson Filstop - Overfill Prevention Valve Max Flow: 580 litre/min Min Pressure: 0.15 PSI (10 mbar) Max Pressure: 100 PSI (7 bar) Installation Note: a 62mm (approx) Diameter hole is required to...