Seetru 09.0 Bar 1/4in BSPT 06mm Atmospheric Safety Valve - SEE0107A1B 1/4" BSP Tapered Male, Atmospheric Safety Valve, 6mm Nominal Diameter, Flow Rate 38, Brass, Viton Seal, Maximum Working Temperature +180C, Set Pressure 9 bar, Seetru GBP 81.99 1