High and Low Pressure Test High Pressure Cylinder Valvedescription: All the equipment is made of stainless steel. The equipment is specially designed for high pressure cylinder valve leakage detection. The equipment has 4 pressure gauges, one high pressure gauge, one low pressure gauge and 2 calibration gauges. The equipment adopts screw seal mode, automatic low pressure intake, automatic pressure maintenance,automatic pressure relief, automatic switching mode high pressure intake, automatic pressure maintenance, automatic pressure relief. The equipment meets the test requirements and has good stability.