Y6 Series 2 inch Threaded Stainless Steel Check Valve - Length 240mm BRA.Y6.623

Product detailed description

Threaded stainless steel check valves are essential components in closed-loop systems where unidirectional flow must be maintained. They are commonly found in heating, ventilation and air conditioning (HVAC) systems, water distribution networks, pumping stations and industrial processes involving hydrocarbons, oils and chemical media. In these environments, the valve ensures that fluids flow in the intended direction and prevents reverse flow that could cause system failures, contamination or damage. Installers working in commercial buildings, industrial facilities and residential heating systems often encounter these valves in critical locations such as boiler circuits, circulation loops and pump discharge lines.

Correct selection and installation are crucial for long-term performance. The valve must be compatible with the system’s operating conditions, including pressure, temperature and fluid composition. Installers should verify the connection type, orientation and accessibility for maintenance. Due to the high-pressure and high-temperature capabilities of this model, it is suitable for demanding environments where reliability and corrosion resistance are essential.

Technical parameters

Material: body	telo
Weight	1.829 kg
Code	Y6623200
Brand	IVAR

The technical parameters define the valve’s suitability for specific applications. The maximum pressure rating of 40 bar means it can handle high-pressure systems, while the temperature range of -20°C to +180°C allows use in both cold and hot fluid circuits. The material composition—A351 CF8M stainless steel body and disc, AISI 316 spring and PTFE sealing—ensures resistance to corrosion and wear in aggressive environments. These parameters are essential for engineers when selecting the correct size and type for their system design.

Installation and connection

Installation begins with verifying the system’s layout and the required orientation of the valve. This model has female/male ISO 228-1 threads and is available in sizes from 1/4 inch to 2 inch. The valve can be mounted in any position, but the inlet and outlet directions must align with the flow path. Installers should ensure that the pipe is clean and free from debris before tightening the connections to prevent damage to the sealing surfaces. Common mistakes include incorrect thread engagement, overtightening and improper alignment, which can lead to leaks or premature failure. After installation, a visual inspection and pressure test should be performed to confirm integrity.

Compatibility and accessories

This check valve is compatible with a wide range of piping systems using ISO 228-1 threaded connections. It is often used in conjunction with isolation valves, pressure gauges and flow meters in HVAC and industrial circuits. For larger systems, additional components such as strainers or expansion joints may be required to protect the valve from particulate matter or thermal stress. No specific accessories are listed for this model, but the system designer should consider the overall piping configuration and support requirements when planning the installation.

Technical background for designers

The operating principle of this check valve relies on a disc and spring mechanism. When fluid flows in the forward direction, the pressure lifts the disc off the seat, allowing flow. When the flow reverses, the spring forces the disc back against the seat, sealing the valve. The PTFE sealing material ensures low friction and long service life. Proper integration into the system requires consideration of flow velocity, pressure drops and thermal expansion effects. The valve’s ability to operate in temperatures up to +180°C makes it ideal for high-temperature heating and industrial applications.

Service and operation

Regular maintenance is not typically required for this model due to its robust construction and reliable sealing mechanism. However, periodic inspections are recommended to check for signs of wear, corrosion or leakage. Installers should verify that the valve remains fully open under normal operating conditions and that the sealing surface remains intact. If the valve shows signs of malfunction, such as unusual noise or reduced flow, it should be disassembled for cleaning or replacement of internal components. No specific service intervals are provided in the technical documentation.

Frequently asked questions

Can this check valve be used in a system with 50% glycol content?
Yes, the valve is suitable for use with water containing up to 50% glycol, making it appropriate for antifreeze applications in heating and cooling systems.

Is this model suitable for steam applications?
No, the valve is not recommended for use with steam. Its design and materials are optimized for liquid media such as water, glycol and hydrocarbons.

Can the valve be installed in a horizontal or vertical position?
Yes, the valve can be mounted in any orientation. The inlet and outlet directions must be aligned with the flow path to ensure proper operation.

What is the maximum allowable temperature for this model?
The valve is rated for continuous operation at temperatures up to +180°C, making it suitable for high-temperature heating and industrial applications.