Emergency Shut Off Valve

Installation of the Tokico emergency shutoff valve is required at various industrial equipments by the High Pressure Gas Safety Law and the Fire Defense Law.

In the MB series of emergency shutoff valve, CO2 gas cartridge with high initial torque is adopted as drive source, and ball valve making smooth movement is adopted at the valve part.

It shutoffs urgently or opens the pipelines of various fluids and is most suitable as safety disaster prevention equipment which prevents second disaster from occurring.

Can be installed at the place without power source.
Because carbon dioxide cartridge is equipped as drive source, it can be installed at the place without the power source.

Adoption of carbon dioxide cartridge
Because reliable carbon dioxide cartridge being used for fire extinguisher or lifesaver, is adopted, the operation is performed surely.

Model MBA, MBC, MBD
Fixed / Portable Fixed
Measurement Range 25mm to 400mm size
Connection JIS flange
Remarks Electric signal type: MBA Series
When a solenoid valve operates with an electric signal from the operation panel, CO2 gas is emitted into the cylinder to activate piston and shut off ball valve urgently.

Comprehensive disaster prevention system can be easily configured in conjunction with various sensors such as gas leak detector and seismoscope through the operation panel.


Line pressure signal type: MBC Series
When pipe line pressure is introduced into the pressure receiving part and the line pressure increases to more than the set pressure, CO2 gas is emitted into the cylinder to activate the piston and shut off ball valve.


Seismoscope signal type: MBD Series
When two seismoscope operate by earthquake, CO2 gas is emitted into the cylinder to activate the piston and shut off ball valve

Specific References

6 other products in the same category:

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