Flanged 80mm Maxi Hyperflow Relief Valve Options — flanged tank connection with 80mm nominal bore (see below for flange options). Suitable for a pressure range of between 3 — 66 PSI (0.21 — 4.55 bar) and a vacuum range of between 0 — 24” Hg (0 — 0.81 bar). Contact parts manufactured in 316 stainless steel. Fitted with Fortyt seals as standard. — pressure only version. Alternative seal materials are available.


Weight 5 Kg

Design Temperature Range -29°C to 200°C

(-20°F to 392°F)

Design approval by Lloyds Register of Shipping Test certificates supplied as standard. Please see separate data sheets for details on flow rates. Tests may be witnessed and valves individually stamped by an independent inspectorate by arrangement.