2.0 Overflow valve program 2.1 hp-Overflow valves with thread connection 2.2 hp-Overflow valve with flange connection 2.3 Pressure regulating valve with modulating kit 2.4 hp-Overflow valve with flange connection for SAE connection 2.5 hp-Pressure regulating valve, type BV 2.6 hp-Pressure and flow regulating valve, type B-PRO 2.7 Flow characteristics Δ p – Q for hp overflow valves