Sturdy Hand Pump Features Hose Connectors For Vacuum And Pressure

Sturdy Hand Pump Features Hose Connectors For Vacuum And PressureThis solidly constructed air pump has an enameled steel barrel, plated steel valve hardware, and a wooden handle. The molded rubber piston has a triple O-ring seal, and both the inlet and exhaust ports are equipped with 9mm plain hose connectors. This allows the pump to be used with standard thick-wall tubing for vacuum experiments and also to generate overpressure. Dimensions: Length is 35cm, barrel diameter is 2.5cm, length of stroke is 19cm. Displacement is 66ml/stroke. Hose connectors are 9mm o.d., 22mm long.