Pressure Relief in Applications Where Hazardous Vapors Are to be Piped Away.

The 8400 Series Relief Valve is the right choice to maintain safe, internal working pressure while preventing routine expulsion of waste to the atmosphere. Standard pressure settings are 2 inches of water column to 14.7 psi. The 8400 series come standard with stainless steel seats, and are available in 1", 2" and 3".