... 9001-20085.Installed in the pressure, suck or return pipeline of hydraulic system to filter solid particleThreaded :NPT , BSPT, BSPP, ... years. We are specialises in the research, manufacturer and sale of industrial fitlers, which including oil filter, oil separator and ... in refrigeration and coal mine equipment.With 95% capacity of self production. 2 inch threaded Y-strainer with filter element