... steel or steel 2.Window: glass or acrylic Pressure Gauge,tire pressure gauge,pressusre meter,gauge Key Specifications:Case material: stainless steel Bourdon tube ... /8-inch Threads: BSP, NPT and PT Window: safe glass Dial range: 1.Low pressure: 1 to 70kg/cm2 2.Middle ... to 60°C Customer's designs are acceptedLiquid Filled Pressure Gauge with High Case, 21/2, 4 and 6-inch Diameter ...