Identification Instruction manual346 Identification6.1 Valve type/sealing material (O-rings)s7 Technical specificationsValve type Sealing material Colour of index platePressure reducing valve type 582 EPDM whitePressure reducing valve type 582 FKM greenPressure retaining valve type 586 EPDM blackPressure retaining valve type 586 FKM redDimensions DN 10-50 (3/8“ – 2“)Materials PVC-U, PVC-C, PP-H, PVDFDiaphragm EPDM/PTFEGaskets EPDM, FKMConnections Fittings, spigotsPressure level (nominal pressure) PN 10Adjustable pressure ranges 0.5 - 9 bar / optional 0.3 - 3 bar(7 - 130 psi / optional 4 - 44 psi)Hysteresis max. 0.5 bar (max. 6 psi)Pressure difference Pressure difference between inlet and outlet:min. 1 bar