... ,Fkm-silicone,NBR 3.Certification:ASTM,DIN,SAE Silicone tube valve Itemsilicone tube valveBrandRAMISCountry of OriginXiamen, ChinaItem No.RS70110Opening pressure0.3-55kPaMaterial ... are produced according to ASTM, DIN, SAE,VDA6.1, UL, FDA, JIS . silicone tube valve