1)Size: 1/4" - 4" ,DN8-DN100 2)Material: ... SS304 ASTM A216-WCB4) Size: 1/4”, 3/8”, 1/2”, 3/4”, 1”, 1 1/4”, 1 1/2”, 2”,2 1/2” ,3” , ... Working medium: Water, Oil, Gas, Acid,Steam, etcFeatures:1) Blow-out proof stem2) Investment Casting Body3) Pressure Blance ... ) Locking device is availablePICTURES:PRESSURE TESTING:CERTIFICATES:---------------------------1-Piece Stainless Steel Floating Ball Valve,2-Piece ...