The objective of the 36mm Pressure Relief Valve is designed to protect tanks against accidental over-pressure in the event of pressurizing a tanker for top or bottom discharge without over pressurizing the tanker and prevent damage to the shell. (to be used in conjunction with the AMF air station) This relief valve was designed and manufactured as per SANS and ADR requirements and meets all stringent Type Tests. Made with a durable robust G316 Stainless Steel construction and safety in mind