VSP safety valve

The over/under pressure VSP 273 Safety Valve has been engineered in order to protect silos and hoppers against occasional over - and under - pressures which can be generated by :

Pneumatic filling
Blockage of the vacuum cleaning filter
Fermentations
Variations in temperature
Condensation

The VSP 273 has been designed to only work on roof.

    304 L stainless steel hood
    Zinc plated steel lifting lugs
    304 L stainless steel screws
    Black neoprene gasket
    304 L stainless steel metal sheet
    30 PCE foam gasket, white foodgrade, thickness 5 mm.

Installation on a Manhole :

If there is not enough space, the VSP 273 can be installed by a simple sealed collar on a NOVAPORTE manhole door of diam. 500 mm or 600 mm.