SA valve cartridge (single acting) Ø15.8 mm with emergency pawl usually mounted on hydraulic cylinders. The point where the electric coil is inserted measures 13 mm in diameter. 12 or 24 Volt solenoids (coils) can be mounted. It is suitable for use with different coils whose codes are: Solenoid - Coil 12 Volts Ø13x39 Kostal M27x1 which has code 32210T, Solenoid - Coil 24 Volts Ø13x39 Kostal M27x1 with code 32410T, Solenoid - Coil 12 Volts Ø13x40 18W Kostal M24x1 code 32212T, Solenoid - Coil 24 Volts Ø13x39 Kostal M24x1 code 32412T, Solenoid - Coil 12 Volts 18 W. code 32213T, Solenoid - Coil 24 Volts Ø13x40 18 W. S2-CE code 32413T, Solenoid - Coil 12 Volts Hirschmann article 32214T, Solenoid - Coil 24 Volts Ø13x39 NEM Cod. 32414T, Solenoid - Coil 12 Volts Ø13x39 with Dhollandia cable code 32216T, Solenoid - 24 Volts Coil Ø13x39 with Dhollandia cable code 32416T, Solenoid - Coil 12 Volts 28 W. item 32217T e Solenoid - Coil 24 Volts Ø13x39 28 W. code 32417T. The correct choice of the coil depends on several factors, first of all the voltage: 12 or 24 VDC, after which the choice can fall on the coil or the integrated wires or other electrical coupling systems. The connection types are: Kostal (2 pins) and Hirschmann (3 tabs), AMP (2 tabs). In some cases, when mounting the electric coil, the valve may not tighten properly. If this happens, just remove an o-ring (supplied with the valve cartridge) from the valve body.