... —DN1000 Diameter:10-1000mm 3.Standard:ANSI,GB,JIS,DIN 4.Certification:ISO90015.Applications:petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation ... -DN1200mmElbow angle:45 degree,90 degree,180 degreeCertification:ISO9001Application:petroleum,chemical industry,papermaking,building,Foodstuff,dairy,beer,pharmacy,beverage,electron and ...