... ) Thread: Brass d) Movement: Bras Pressure Vacuum GaugeFeature:Pressure Vacuum Gauge measures the pressure and vacuum of gas, liquid and vapor not corrosive ... 1.5''/40mm, 2''/50mm, 2.5''/60mm, 4''/100mm, 6''/150mm 4). Measurement range: -0.1~5.9Mpa, (psi, kpa ... /cm2 available)5). Coupling: Bottom connection, Back connection (with border)6). Thread coupling: Metric Thread, BSP, NPT, BS and UN7). ...