DN: 15, 20, 25, 32, 40, 50, 65, 80Body Configuration: 2/2-wayConnection: Spigots – DIN, for socket welding; Spigots – inch, Spigots for IR butt welding; Spigots for IR butt welding, BCF; Union ends with DIN insert (for IR butt welding); Union ends with DIN insert (socket); Union ends with inch insert (socket)Valve Body Material: ABS; In-liner PPH – grey ace. to RAL 7032; In-liner PPH – natural; PP; PVC-U; PVDFDiaphragm Material: CSM, EPDM, FPM, NBRControl Function: Closed by control medium, opened by spring tension (DN 15-50); Closed by control medium, opened by working medium (DN 65+80)Ambient Temperature: Valve body ABS / PVDF: -20 to 60°C; Valve body PVC-U / PP: 5 to 60°CWorking Medium: Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm materials.