... Beverage, Pharmacy, Beauty, Health We can offer the sanitary stainless steel valve as follows: 1) Butterfly valve: threaded butterfly ... ) Check valve: Welded check valve, threaded check valve, clamp type check valve,movable check valve 4) Diaphragm valve: ... , U-typediaphragm valve5) Sample valves, stop reversing valves, forged stainless steel valves, and pipefittings6) Standard: AAA, DIN, SMS, IDF ...