Relief Valves Features • Relief Valves are available in SS 316, Duplex, Monel & Hastelloy Materials. • Variety of end connections – Male & Female NPT, BSPP, BSPT and PANAM Tube Fitting. • Maximum working pressure up to 15,000 psig. (1,034 bar). • Size ranging from 1/8″ to 1/2″ & 6mm OD to 12mm OD. • Standard Orifice 3.6mm & 4.8mm • Relief pressure adjustable externally. • Lock wire feature secures a given pressure setting. • NACE certification available upon request. • Heat code traceability.