Food Grade Sanitary One Way Check Valve 

Material SS304 or SS316L Connection Way Weld, Clamp, Thread, Union Standard 3A DIN SMS DS ISO RJT Size 0.5" - 4" or DN10 - DN100 Pressure of work 0~10bar Working temperature VMQ:(-50~+180℃) EPDM：(-20~+135℃) FPM: (-30~+230℃) Sterilization temperature 150℃(MAX 20min) Inside surface treatment Ra≥0.4-0.8μm Surface treatment Ra≥0.8-1.6μm Seal Material EPDM, VQM, FPM