Gas filter - flanged - DN 40; PN 6; 50µm IVAR.FMP

Product detailed description

Flanged gas filters are essential components in gas distribution systems where the removal of particulate matter is required to protect downstream equipment. This model is commonly used in industrial and commercial heating systems, gas-fired power generation, and process gas applications. Installers typically integrate these filters into gas supply lines to ensure the media entering burners, valves, and regulators is free from abrasive particles that could cause wear or blockages. The filter is suitable for both new installations and system retrofits where filtration is a critical requirement.

Gas filters of this type are frequently found in central heating systems, gas-fired boilers, and industrial gas processing units. They are installed upstream of sensitive components such as pressure regulators, flow meters, and control valves to prevent damage from particulate contamination. The operating conditions in these environments can vary, and the filter must be selected to match the system’s pressure and temperature requirements.

Technical parameters

Material	Pressure-cast aluminium in accordance with STN EN 161
Operating temperature	-40 °C
Nominal diameter	DN 40
Nominal pressure	PN 6
Weight	2.749 kg
Code	FF400000B50
Brand	IVAR

The nominal diameter of DN 40 and a rated pressure of PN 6 indicate that the filter is suitable for medium-pressure gas systems. The 50 µm pore size ensures that larger particles are retained, preventing them from entering downstream components. The operating temperature range from -40°C to +70°C allows the filter to function in a wide range of ambient and process conditions. These parameters are critical for ensuring the filter is correctly sized and compatible with the system’s hydraulic and thermal demands.

Installation and connection

The flanged connection of this filter allows for secure and leak-free installation in gas pipelines. The flange dimensions must be verified to match the pipe and system specifications. Installers should ensure that the filter is positioned with the correct orientation, typically with the filter media facing the direction of flow. A common mistake is installing the filter in the reverse direction, which can reduce filtration efficiency and increase pressure drop. During installation, it is important to check the sealing surfaces of the flanges and apply an appropriate gasket to prevent gas leakage. The filter should be installed in a location that allows for easy access for inspection and maintenance.

Compatibility and accessories

This filter is compatible with gas systems operating within the specified pressure and temperature ranges. It is typically used in conjunction with gas valves, regulators, and other filtration components. For larger systems, additional filters may be required in parallel or series configurations to manage higher flow rates or to provide redundancy. Accessories such as pressure gauges and isolation valves may be needed to monitor and control the system effectively. Installers should ensure that all components are compatible with the gas type and operating conditions.

Technical background for designers

The filter operates by trapping particulate matter in the porous filter media. The 50 µm pore size ensures that larger particles are retained while allowing the gas to pass through. The pressure-cast aluminium body provides good corrosion resistance and mechanical strength, making it suitable for a range of gas environments. The filter is designed to be integrated into the gas line with minimal pressure loss. The service life of the filter depends on the concentration of particulate matter in the gas and the frequency of maintenance. Regular inspection and cleaning are necessary to maintain filtration efficiency and prevent clogging.

Service and operation

The filter requires periodic inspection to ensure it remains free from blockages. The filter media should be cleaned or replaced if excessive pressure drop is observed. No specific service intervals are provided in the technical data, so maintenance should be based on system performance and operating conditions. During operation, the filter should be monitored for signs of wear, leakage, or reduced efficiency. Any issues should be addressed promptly to avoid damage to downstream components.

Frequently asked questions

Can the filter be used in gas systems with higher operating pressures?
No, the filter is rated for PN 6 and should not be used in systems exceeding this pressure rating.

Is the filter suitable for use with natural gas?
Yes, the filter is designed for use with natural gas and other non-corrosive gases within the specified operating conditions.

Can the filter be installed in a vertical orientation?
Yes, the filter can be installed in either horizontal or vertical orientations, provided the flow direction is maintained.

What is the maximum operating temperature of the filter?
The filter is rated for operation up to +70°C, as specified in the technical data.