Next Product Collins Youldon PPV Vent (Aluminium) 4 mbar (0.4 kPa) Part No. JTS000292 Category: Vent Valves Description Additional information Brand Description 1 1/4″ BSP With 4 mbar (0.4 kPa) Nominal Vacuum Setting Additional information Manufacturer Collins Youldon Product Vent Valves Brand Collins Youldon Related products Vent ValvesPressure Vacuum Vent Valve with Nitrile Seal Vent ValvesCobo Pressure Vent Valve COBO 100mb Gaskets and Seals, Vent ValvesCollins Youldon Flange Gasket Vent ValvesCollins Youldon PVV Vent 20 mbar (2.0 kPa)