Emergency Relief Vents with Vacuum Relief

In addition to providing Emergency Relief, these vents include a top-mounted Vacuum Relief Valve.

Groth offer vertical lift (blow off) type ERVs with Vacuum Valve, as well as hinged version which reseats itself

Key Features of the Groth Emergency Relief Vent with Vacuum Valve include;

 

 

Key Features

Blow-off and Self Seating options Market leading sealing performance – air cushion seat design creates superior seal and is less prone to sticking than o-ring type seals Self Draining Pallets prevent build up of water and potential to freeze shut/open There are no elastomers in Groth valves as they break down over time in common applications Construction in a broad range of materials including FRP

 

As with all Groth equipment, their ERV’s are manufactured to the highest standards and offer market leading performance and longevity.

 

 

Models	2400 Series
	2000 series
Sizes	16”, 20”, 24”
Pressure Setting	6.5 mbar (0.0065 bar) to 68 mbar (0.068 bar)
Vacuum Settings	2.1 mbar (0.002 bar) to 17.2 mbar (0.017 bar)
Operation	Weight Loaded (Hinged
	Weight Loaded (Vertical lift)
	Spring Loaded Vacuum Vent
Mounting Orientation	Top Mount
Materials of Construction	Carbon Steel
	Stainless Steel
	Aluminium
	Derakane (FRP)
	Furan (FRP)
	Exotics on request
Approvals	ATEX