PVC elbow fitting 90 and 45 degree size:1/2"~16" working pressure: PN16 working temperature:-20~76 d 1-PVC elbow fitting 90 and 45 degree2-optional material: CPVC/UPVC/PVDF/RPP/PPH3-standard:DIN,ANSI,JIS4-connection: socket5-working environment:petroleum,alkaline,chemical fiber,pesticide,light industry,sewage disposal.water supply system