MHB4 (2-port) and MHG4 (3-port) are miniature motorized ball valves. They are used for water, air and oil (500 mm²/s or less) with a rated voltage of 100 VAC. Ports are Rc3/8, Rc1/2 and Rc3/4, the body is bronze and the valve seat is PTFE.
| Working Fluid | Water, air, oil (500 mm²/s or less) |
| Valve Structure | Motorized ball valve (MHB4 2-port / MHG4 3-port) |
| Working Pressure | 0 to 0.5 MPa |
| Proof Pressure | 1.0 MPa (water pressure) |
| Fluid Temperature | 0 to 80 °C (no freezing) |
| Ambient Temperature | -10 to 50 °C |
| Ambient Humidity | 70% or less |
| Mounting Orientation | From vertical direction with the actuator on the top to horizontal direction |
| Rated Voltage | 100 VAC (50/60 Hz) |
| Apparent Power | 4.4/3.5 VA (50/60 Hz) (same during operation and starting) |
| Power Consumption | 5 W |
| Frequency | 1 time/min. or less |
| Specifications by Model | MHB4 (2-port): -10-25 Rc3/8, 8 mm, Cv 3.3, 0.42 kg | -15-25 Rc1/2, 8 mm, Cv 3.0, 0.44 kg | -20-25 Rc3/4, 10 mm, Cv 4.7, 0.51 kg / MHG4 (3-port): -10-25 Rc3/8, 8 mm, Cv 1.8, 0.45 kg | -15-25 Rc1/2, 8 mm, Cv 1.1, 0.49 kg | -20-25 Rc3/4, 10 mm, Cv 3.0, 0.57 kg |
| Response Time | MHB4: 4.5 s at 50 Hz / 3.8 s at 60 Hz, MHG4: 9 s at 50 Hz / 7.5 s at 60 Hz |
| Pressurization Direction | MHB4: arbitrary / MHG4: port C pressurization only |
| Body / Seat Material | Bronze / PTFE (ball is copper alloy) |