PRESS-GAS fire protection fitting - corner, 1/2" M x 20

Product detailed description

Fire safety valves are essential components in gas distribution systems where pipe runs transition from structural elements to internal free-flowing installations. This type of valve is commonly used in residential and commercial buildings where gas lines pass through walls or ceilings and continue into interior spaces. Installers working with ALPEX-GAS systems must ensure that such valves are correctly positioned to maintain system integrity and safety in the event of a fire.

The PRESS-GAS corner valve is specifically designed for connecting ALPEX-GAS pipes to internal threaded fittings. It is suitable for applications where the gas line changes direction and requires a secure, fire-resistant connection. The valve is intended for use in environments with ambient temperatures ranging from -20 °C to +60 °C, making it suitable for both indoor and semi-protected outdoor installations.

Technical parameters

Installation and connection

Installation of the PRESS-GAS corner valve involves connecting the ALPEX-GAS pipe to the internal threaded fitting. The valve has a 1/2 inch male thread and a 20 mm connection, which must be aligned with the corresponding pipe and fitting. The installer should ensure that the connection is clean and free from debris before assembly. Common installation mistakes include incorrect thread alignment, insufficient tightening, and failure to verify the integrity of the seal. It is important to follow the manufacturer's guidelines for tightening torque to avoid damaging the valve or the pipe.

Compatibility and accessories

This valve is compatible with ALPEX-GAS pipe systems and is intended for use with internal threaded fittings. No additional accessories are required for standard installation. However, installers should ensure that the pipe and fitting are compatible with the valve's dimensions and thread type. The valve is not designed for use with other pipe materials or connection types outside the specified parameters.

Technical background for designers

The PRESS-GAS corner valve operates as a fire safety device, designed to close automatically in the event of a fire. The valve is constructed from galvanized steel and brass CW617N, with an HNBR sealing material that provides resistance to high temperatures. The valve is rated for a fire resistance of up to +925 °C for 60 minutes, ensuring that it remains functional during a fire event. The integration of the valve into the system depends on the layout of the gas distribution network and the location of the pipe transition. The service life of the valve is influenced by the operating conditions, including temperature fluctuations and exposure to corrosive environments.

Service and operation

Regular inspection of the valve is recommended to ensure that it remains in good working condition. The installer should check for signs of corrosion, wear, or damage to the sealing surfaces. No specific service intervals are provided in the technical data, but it is advisable to inspect the valve during routine maintenance of the gas system. The valve does not require lubrication or adjustment during normal operation. If any issues are detected, the valve should be replaced in accordance with the manufacturer's guidelines.

Frequently asked questions

Can the PRESS-GAS corner valve be used with other pipe materials?
No, the valve is specifically designed for use with ALPEX-GAS pipes and internal threaded fittings. It is not suitable for other pipe materials or connection types.

What is the maximum operating pressure of the valve?
The valve has a maximum operating pressure of PN 5, which must be considered when selecting the valve for a specific application.

Is the valve suitable for use in cold environments?
Yes, the valve is rated for operation at temperatures as low as -20 °C, making it suitable for use in cold environments.

What is the fire resistance rating of the valve?
The valve has a fire resistance rating of +925 °C for 60 minutes, ensuring that it remains functional during a fire event.