Hydraulic Double Acting Monoblock Control Valve Spool Valve – 1, 2, 3 and 4 Lever Options. Robust monoblock construction. Main pressure relief valve and check valve in P-channel. Suitable for open systems (can be converted for closed systems). Max flow rate 50 l/minute. Max leakage 5. Handle length 80mm. Hydraulic applications with medium oil quantities. …