The IW series anti-freeze valves are intended for installation in installations using monoblock heat pumps to protect them against medium thickening and freezing. The three-piece design simplifies service work - a foot valve is mounted between the valve body and the insert.
Features
- Brass body and thermal element,
- Operation in a narrow temperature range,
- Foot valve ensures reliable, tight shut-off,
- Operation only due to temperature change,
- No influence of pressure changes,
- Easy installation with a pipe wrench • Removes the minimum amount of water required to prevent freeze damage.
Parameters
- Dimensions: 121 x 58 x 1-1/2",
- Connection: 1-1/2”,
- Medium: water,
- Operating range (medium): 0°C–65°C,
- Operating range (outdoor temperature): -30°C–65°C,
- Valve activation temperature (medium): 3°C,
- Closing temperature (medium): 4°C,
- Full valve opening: 1°C
- Maximum flow: 25 m³,
- Maximum drain 1 m³/h,
- Maximum pressure 8 bar.
