Product Description: It is combined with Pressure guiding system (including joint, spring tube, limiting screws, etc.), gear drive, number device (pointer and dial) and the shell (watchcase, cover and glass, etc.). The gauge shell is airtight structure, can effectively protect the internal parts from the environmental impact and invasion pollution. The instrument in the shell is filled with damping liquid (silicone oil or glycerin) which can anti vibration the working environment and reduce the influence of medium pressure pulsing.

SKU: 109117 Categoria: Vacuum Tools