Electric shutoff valve - 3/4 "FF; 230V; without current closed IVAR.EV 306 NC

Product detailed description

This electrically operated shutoff valve is commonly used in residential and commercial heating and plumbing systems where remote or automated control of fluid flow is required. It is suitable for integration into central heating systems, hot water circuits and other applications where a normally closed valve is needed to isolate sections of the system when power is off. Installers typically encounter this valve in systems where energy efficiency and precise control are required, such as in underfloor heating or zone control setups.

The valve is designed for use with water-based media and is intended for installation in systems where the minimum pressure differential is at least 0.3 bar. It is not suitable for use with aggressive or particulate-laden fluids. The valve must be installed in a location that allows for easy access for maintenance and inspection.

Technical parameters

Material	Brass CW617N
Operating temperature	0 °C
Nominal pressure	PN 10
Code	I00306202
Brand	IVAR

The PN 10 pressure rating indicates that the valve is suitable for systems operating at up to 10 bar nominal pressure. The operating temperature range from 0°C to 90°C means it can be used in both cold and hot water applications. The CW617N brass construction provides good corrosion resistance and mechanical strength, making it suitable for long-term use in typical heating and plumbing environments.

Installation and connection

The valve is equipped with a 3/4 inch female-female (FF) thread connection, allowing it to be directly threaded into the pipeline. Prior to installation, the pipeline must be cleaned and free from debris to prevent damage to the sealing surfaces. The valve must be installed in the correct orientation, with the flow direction indicated on the body. A minimum pressure differential of 0.3 bar is required for proper operation, so the system must be designed to ensure this condition is met. Common installation errors include incorrect thread sealing, failure to align the valve correctly, and neglecting to verify the minimum pressure differential.

Compatibility and accessories

This valve is compatible with standard 230V electrical systems and can be integrated with control panels, thermostats and other automation components. It is typically used in conjunction with temperature sensors and control units to enable automated system operation. No additional accessories are required for basic installation, but electrical wiring must be carried out in accordance with local electrical codes. No related products are available for this model.

Technical background for designers

The valve operates on an electromagnet that, when energised, opens the valve to allow fluid flow. When the power is removed, a spring mechanism closes the valve. The CW617N brass material is selected for its durability and resistance to corrosion in water-based systems. The PN 10 rating ensures compatibility with standard domestic and light commercial systems. The valve must be integrated into the system in a way that ensures the minimum pressure differential is maintained. The operating temperature range allows for use in both heating and hot water applications, but it is not suitable for steam or high-temperature environments.

Service and operation

The valve requires no regular maintenance other than periodic inspection of the electrical connections and the sealing surfaces. The system should be checked for leaks and the valve should be tested for proper opening and closing. No specific service intervals are provided, but the valve should be inspected during routine system maintenance. If the valve fails to open or close, the electrical supply and the minimum pressure differential should be checked first.

Frequently asked questions

Can this valve be used in a hot water system?
Yes, the valve is suitable for systems operating up to 90°C, making it appropriate for hot water applications.

Is a pressure differential required for the valve to operate correctly?
Yes, a minimum pressure differential of 0.3 bar is required for the valve to function as intended.

Can this valve be used with a 24V control system?
No, this model is specifically designed for 230V operation and is not compatible with 24V systems.

Is the valve normally open or normally closed?
The valve is normally closed when de-energised and opens when power is applied.