Extended Body Flanged Tapered Bore Super Maxi Emergency Relief Valve Options — flanged tank connection with 69.2 — 82.6mm tapered bore (see below for flange options). Suitable for a pressure range of between 66 — 188 PSI (4.55 — 12.96 bar). Contact parts manufactured in 316 stainless steel. Fitted with reinforced PTFE seals as standard. — combined pressure/vacuum version. 65mm and 80mm nominal bore range. Alternative seal materials are available.


Weight 5.5 Kg

Design Temperature

Range 80°C to 200°C (176°F to 392°F)

Dependant on operating pressure

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.