Fuel Dispenser Components > DSF-20 DSF-25buit-in parallel connected electromagnetic pilot valve control,advanced craft and reliable action diaphragm of main valve has capability of anti-corrosion and resisting -40 low temperature Special stainless steel magnetic material never rusts or generates remanent magnetism Class F loop with good insulationWhen main valve shuts off,work pressure 0.3~0.4MPa,flow rate is 3-4.5L min