2½” BSP Super Maxi Emergency Relief Valve Options — 2½” BSP male connection with 65mm nominal bore. Suitable for a pressure range of between 2 — 75 PSI (0.14 — 5.17 Bar) and a vacuum range of between 0 — 26” Hg (0 — 0.88 Bar). Contact parts manufactured in 316 stainless steel. Fitted with Fortyt seals as standard. Complete with rubber/PTFE tank seal. — pressure only version. Flanged connections available. Range of high pressure extended body valves. Manual vent button option. A range of alternative seal materials is available.


Weight 2.97 Kg

Design Temperature Range -55°C to 200°C *Note

(-67°F to 392°F)

*Note : Varies according to seal material 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.