Bcm back-wash filter characteristic of products: flow rate can reach 681 m3 /hr for single system, auto-back-wash (without people operation).\n\nmodel of products: waf-bcm structure & working principle: when it need wash(controlled by time or differential pressure), especially for the housings, please turn off the inlet and then turn on the contamination-draining passage, differential pressure lead partial fluid after filtration change its way and flow down, to make dregs wash /rinse to contamination-draining vent. if the filtrate is quite.