ZL-9032 Air Permeability Tester for Paper and Board

Technical Parameter:

 Working Principle:

1. The instrument consists of a container on a fixed column, a paper sample clamping ring and a pressure gauge.
2. The upper part of the container is equipped with a vent valve and a water filling valve with a funnel to inject into the container.
3. The bottom of the container is equipped with overflow valve and regulating valve to control the flow of water.
4. The pattern clamp ring, etc. are fixed on the bracket, and there is a hole with an area of 10cm2 on the pattern clamp ring and the air box.
5. The air box is located below the paper sample clamp ring, and there are two joints on it, which are connected with the exhaust pipe and the pressure gauge respectively by rubber hoses. Move the two adjusting bolts to adjust the horizontal position of the instrument.
6. The working principle of the instrument: that is, under the specified conditions, under the unit time and unit pressure difference, the average air flow through the unit area of paper.