PP Pressure Gauge, Viton diaphragm seal, 1/4" NPT(F); 0 to 200 psi

These gauges are molded from a harder blend of polymers, making them more resistant to cracking or breaking during installation and use. Gauges feature brass Bourdon tube and internals; diaphragm fill is glycerin. White PVDF gauges feature a PTFE diaphragm seal; black polypropylene (PP) gauges feature a Viton® diaphragm seal. All gauge casings are dry but can be filled. Ideally suited for use in ultra-pure water and aggressive chemicals Diaphragm seal and gauge molded into one unit Glycerine filled seal is standard Gauge case is dry but fillable