Shut-off valves with a simple yet revolutionary and reliable design, a cost-effective and compact solution (ATEX)

MAG-3 is a swing valve in the Active Gas Safety System GX which automatically cuts off the gas supply and eliminates the risk of explosion of natural gas or propane-butane.

MAG-3 BIO versions are designed to work with landfill biogas or sewage treatment plants.

Area of application
in systems protecting gas installations: in gas boiler rooms, public buildings, etc;
external gas reduction and measurement points (working pressure up to 0.5 MPa);
cogeneration systems in sewage treatment plants or landfill sites (MAG-3 BIO models).
Features
both open and closed positions do not require power supply – they are energy efficient (an electrical pulse of 12VDC with a duration of < 1s is only needed to close the valve);
insensitive to system supply voltage loss – its absence or momentary disappearance does not cause changes in gas flow through the valve;
resistant to any disturbances that may cause its accidental opening when closed (only conscious action by supervisors);
low force required to open the valve;
simple, cost-effective, reliable and lightweight design;
long life;
can be used in explosive atmospheres in accordance with the ATEX Directive.

Available model

Globe valves ZB

Shut-off globe valves to cut off the gas supply to low-pressure installations

Shut-off valves type ZB are fast closing globe valves for use with gas detectors (gas detection systems).

They are opened only manually and closed with an electric impulse (12VDC) or manually with a button. Both the opened and closed positions do not require power supply.

Activation of the valves – i.e. immediate cut-off of gas supply to a device or installation – results from electric impulse from the gas detection system upon gas concentration exceeding the preset threshold..

Area of application
in gas installation safety systems: in gas boiler rooms, residential buildings, etc;
in low-pressure gas installations;
may additionally serve as a manual shut-off cock.
Features
both opened and closed positions do not require power supply – they are energy efficient (an electrical pulse of 12V= with a duration of only < 1s is needed to close the valve);
insensitive to system supply voltage loss – its absence or momentary disappearance does not cause changes in gas flow through the valve;
resistant to any disturbances that may cause the valve to open accidentally when closed (only conscious action by supervisors);
low force required to open the valve;
simple, cost-effective, reliable and lightweight design;
equipped with a mesh filter which guarantees long life;
maximum operating pressure 25 kPa (0.25 bar);
meets the requirements of PN-EN161.