... pressure: PN0.6-2.5MPa Nominal diameter: DN50-600mm BACKWASH FILTER( GLP41H Y TYPE)SPECIFICATIONStandard: GB, BS, ISO,, DIN, AWWASuitable temperature ... material: grey cast iron, ductile cast ironFEATURES: This type backwash filter is installed on the pipeline to get rid of the ...