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 ValvesAlfons Haar Sequential Vent Valve Vent ValvesEmco 3″ Sequential Vapour Vent Vent ValvesEmco Comaing Dump Valve