CNG Pressure Gauge"CNG automobile combustion gas pressure gauge (sensors). The product is compatible with various types of comme CNG Pressure GaugeParameters:1) Pressure gauge: dia.: 50mm, 54mm, 63mm, 75mm2) Fixing way: radia or axial direction3) cover material: ABS, stainless steel 3044) Connection part material: HPB59-1 brass, or stainless steel SUS3165) Connection thread: G1/4 (PF1/4); M14 x 1 ...