Threaded Check Valve - 4”; L=208mm BRA.T5.000

Product detailed description

Threaded check valves are essential components in systems where unidirectional flow is required to prevent backflow and maintain system integrity. This model is commonly used in residential and commercial buildings, including HVAC systems, water supply networks, and industrial applications involving compressed air, oil, and hydrocarbons. Installers and technicians working on these systems will find this valve suitable for installations where flow reversal could cause damage or inefficiency. The valve is designed to operate in all mounting positions and is compatible with glycol mixtures up to 50%, making it suitable for applications requiring antifreeze properties.

Technical parameters

Material	body - cast iron
Weight	7.548 kg
Code	T5000400
Brand	IVAR

The technical parameters define the valve's suitability for specific applications. The maximum operating pressure of 16 bar ensures it can handle typical system pressures in HVAC and water supply systems. The temperature range from -10°C to +100°C allows for use in both cold and warm environments. The 4 inch F/F thread size according to ISO 228-1 ensures compatibility with standard piping systems. The material selection, including cast iron for the body and NBR for the seal, ensures durability and resistance to common media.

Installation and connection

The valve is installed using 4 inch F/F (female/female) threads in accordance with ISO 228-1. The installation procedure involves aligning the valve with the pipeline, ensuring the flow direction matches the arrow on the body, and tightening the connections to the manufacturer's recommended torque. It is important to verify that the pipeline is clean and free from debris before installation to prevent damage to the sealing surfaces. Common installation mistakes include incorrect orientation (installing the valve in the reverse direction) and over-tightening the connections, which can lead to thread damage or seal failure. Always confirm the flow direction and check for any obstructions in the pipeline prior to securing the valve.

Compatibility and accessories

This check valve is compatible with standard threaded piping systems using 4 inch F/F connections. It is suitable for use with water, glycol mixtures up to 50%, compressed air, oil, and hydrocarbons. No additional accessories are required for standard installation. However, it is recommended to use appropriate sealing compounds or gaskets to ensure a leak-free connection. No related products are available for this model.

Technical background for designers

The operating principle of this check valve is based on the movement of the disc within the body, which opens under forward flow and closes under reverse flow. The cast iron body provides structural strength and resistance to mechanical stress, while the brass guide and disc ensure smooth operation and minimal wear. The NBR sealing material is selected for its flexibility and resistance to common media. The valve integrates into the system by allowing forward flow and preventing backflow, which is essential for maintaining system efficiency and preventing damage. The service life and efficiency of the valve are influenced by the operating conditions, including temperature, pressure, and the type of media being transported. Regular inspection of the sealing surfaces and internal components is recommended to ensure continued performance.

Service and operation

The valve requires minimal maintenance due to its robust design and durable materials. However, periodic inspection is recommended to check for signs of wear, corrosion, or blockage. The sealing surfaces should be inspected for any damage or deformation that could affect the valve's ability to close properly. If any issues are detected, the valve should be disassembled and cleaned or replaced as necessary. No specific service intervals are provided in the brief, so maintenance should be performed based on the system's operating conditions and the manufacturer's technical data sheet.

Frequently asked questions

Can this check valve be used with glycol mixtures?
Yes, the valve is suitable for use with glycol mixtures up to 50%, making it appropriate for applications requiring antifreeze properties.

Is the valve suitable for installation in all mounting positions?
Yes, the valve can be installed in all mounting positions, including horizontal and vertical orientations, without affecting its performance.

What is the maximum operating pressure of the valve?
The valve is rated for a maximum operating pressure of 16 bar, which is suitable for most HVAC and water supply systems.

Can the valve be used in compressed air systems?
Yes, the valve is suitable for use in compressed air systems, provided the operating conditions remain within the specified temperature and pressure limits.