Check valve

1)Material	SS304/SS316L 1.4404/1.4301,
2)Size	1/2″-12″ DN10-DN300,
3)Seal Material	Silicon / EPDM / Viton / HNBR
4)Certificate	3A ISO9001: 2000
5)Connection Ends	Clamp / weld / thread/ weld thread/ flange
6)Suitable medium	Dairy ,food, beverage, pharmacy, cosmetic, Chemical, etc
7) Availably Standard	3A/DIN/SMS/RJT/ISO/IDF
8) Inner /Outer surface	Ra 0.8um-0.5um 320/240 grit polishing