The Madas MVB/1 Slam Shut Valve is a maximum closing valve has the function to close the upstream gas flux ensuring plant safety.
The ‘closing’ is automatic when, for accidental causes, the value of the regulation pressure goes up the set pressure. The valve reset is only manual and can be done only after verifying the causes and solving the problem that provoked the closing.
Standard pressure range 1.0 bar
High pressure range 6.0 bar
With an adjustable set point 30 to 450 mbar standard ,higher pressures available
Sizes 3/4 to 2 inch screwed and 25mm to 150mm flanged PN16
- In conformity with the 2014/68/EU (PED Directive)
- In conformity with the 2014/34/EU (ATEX Directive)
MWA type         Connections    Inlet Pressure  Slam shut pressure
MVB/1 MAX/15  1/2 inch           1.0 bar              30 to 450 mbar
MVB/1 MAX/20  3/4 inch           1.0 bar               30 to 450 mbar
MVB/1 MAX/25  1 inch              1.0 bar               30 to 450 mbar
MVB/1 MAX/30   1.1/4 inch         1.0 bar              30 to 450 mbar
MVB/1 MAX/40   1.1/2 inch         1.0 bar               30 to 450 mbar
MVB/1 MAX/50   2 inch              1.0 bar              30 to 450 mbar
MVB/1 MAX/65   65mm PN16   1.0 bar              30 to 450 mbar
MVB/1 MAX/80    80mm PN16    1.0 bar              30 to 450 mbar
MVB/1 MAX/100 100mm PN16   1.0 bar              30 to 450 mbar
MVB/1 MAX/150 150mm PN16   1.0 bar              30 to 450 mbar
