item:industrial pipe fitting PVC flange socket welding size:1/2"~1" working pressure: PN16 working temperature:-20~76 d 1-part name:industrial pipe fitting PVC flange socket welding2-optional material: CPVC/UPVC/PVDF/RPP/PPH3-standard:DIN,ANSI,JIS4-connection: socket cemment5-working environment:petroleum,alkaline,chemical fiber,pesticide,light industry,sewage disposal.water supply system