Pmax 31,5 MPa Qmax 400 l/min MATERIALS Head: Cast iron Bowl: Steel Seals: NBR Nitrile (FKM - on request fluoroelastomer) Indicator housing: Brass PRESSURE Max working: 31,5 MPa (315 bar) Collapse, differential for the filter element (ISO 2941): 21 MPa (210 bar) WORKING TEMPERATURE From -25° to +110° C