[Features] When the outside temperature (about 2°C) is likely to freeze inside the main unit, the shape memory alloy spring will automatically open the valve to allow a small amount of water to pass through to prevent freezing. It can be used at an outside temperature of -15 degrees or higher.
[Specification 2] Conforms to JIS standards and equivalents Opening and closing operating temperature: about 2℃ Opening and closing flow rate: 450 cc/min or more (water temperature 3°C water pressure 0.1 MPa outside temperature -10°C) Water supply pressure: 0.05-0.75MPa Shape memory alloy (SMA) specifications
