Hand bellows for pressurising systems for test. It has a plain bore tube which fits over a suitable nozzle. The tap allows air to be released slowly, so adjusting the pressure to the required level (after slightly overpressurising the system).
https://www.bes.co.uk/rubberhand-bellows-air-testing-bulb-and-tube-9403/43876Hand Bellows with Taphttps://www.bes.co.uk/media/catalog/product/h/a/hand-bellows-plain-bore_min_9403_P_1.jpg18.7518.75GBPInStock/Testing Equipment/Gas/Pressure4135126222Hand bellows for pressurising systems for test. It has a plain bore tube which fits over a suitable nozzle. The tap allows air to be released slowly, so adjusting the pressure to the required level (after slightly overpressurising the system).Unbranded00https://www.bes.co.uk/media/catalog/product/h/a/hand-bellows-plain-bore_min_9403_L_1.jpgadd-to-cartfacet_type:Hand Bellowsspecial_price:18.750000products_related:6901,8759,9366,6439,6904,8181,9374,9364,6459,6617,17544sku:9403Hand Bellows6901,8759,9366,6439,6904,8181,9374,9364,6459,6617,17544940318.750000No{"Type":"Hand Bellows"}Unbranded