Stainless Steel 304 Standard Port Ball Valve Import. Control flow with confidence using the SV 200SS304 Stainless Steel 2″ Ball Valve by Seal Fast. This standard port ball valve is made from high-quality 304 stainless steel, ensuring corrosion resistance and durability for long-lasting performance in your petroleum systems. Its robust design allows for reliable operation in various applications. This imported valve combines quality and functionality, available at J&N Supply Co in the Dallas-Fort Worth metroplex.