... , DIN, SMS, 3A, 3:Size:DN20-DN150 •Stainless steel Sanitary Threaded Check Valve•Material quality: SUS304, SUS316,SUS316L,CF8M,or ... SMS, 3A, or required•Specification:DN20-DN150•Connection mode: Threaded•Application: Pharmacy, beer, food, dairy, beverage If you ... , pls don't hesitate to contact usNameStainless Steel Sanitary Threaded Cheak Valve No.SHSD014MaterialsSUS304,SUS316,CF8M,or requiredSizeDN20 ...