rubber elbow hose 1.DN50-300 2.PN:6/10/16. 3.GB,ANSI,EN,PN. 4.carbon/stainless steel... 1,Material: Carbon Steel2,Technics: Forged Type: Elbow3,Place of Origin: Jinan China (Mainland)4,Model Number: KWT5,Brand Name: GMR Elbow6,Connection: Flange7,Shape: Elbow8,body color: black flange color: sliver flange9,working pressure:6/10/1610,nominal diameter: 50mm-300mm11,temperature: -20~115°c12,body ...