... .Standard:ANSI,JIN stainless steel pipe fittings food grade China coupling pipe fittingcorrosion and high-temperature ... ISO90015.Applications:petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, aviation, boiler heat exchanger, and ... degree,90 degree,180 degreeCertification:ISO9001Application:petroleum,chemical industry,papermaking,building,Foodstuff,dairy,beer,pharmacy, ...