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 ValvesAlfons Haar Sequential Vent Valve Vent ValvesCivacon Pressure Vent Valve 70/20 Mbar Vent ValvesEmco Vent Valve 2″ BSP 100/20mb – Alloy Vent ValvesCollins Youldon Adaptor Flange