Safety still

Air vent valve

Fixed setting valve, it is used to keep stable the pressure of the valve inside watertight tanks. The exceeding discharged pressure can be addressed to other rooms.

It can be used for several purposes provided there is compatibility with the “Material in contact with the product”  (see Technical characteristics).

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Techical characteristics ( see materials compatibility with respect to the chemical substances)
Shutter type: flat shutter
Threading: GAS cylindrical 55° UNI- ISO 228
Working temperature range: from  0 °C a 70 °C max
Body valve material: brass OT-58
Shutter material: brass OT-58
Cap material: Nylon
Spring material:  Aisi 302 stainless steel
Shutter gasket: Viton
Materials in contact with the product:
Brass OT-58 , Aisi 303 stainless steel, Nylon and Viton

Tips for installatoin
The valve has to be positioned on top of the tank. Screw the valve into pipes with external threadings and pack it hermetically. Do not dismount the valve.