Stainless steel (SUS304) is used for the main unit and valve spring. In addition, the unit has been treated with electrolytic polishing processing for improved corrosion resistance. Sealing material can be selected according to the fluid and application. Flexible for semiconductor manufacturing process ● Comes in a wide variety of sizes so you can choose the size according to your desired application and flow rate. The plug comes standard with a cap. As a no-grease specification, the seal material does not apply grease. The plug comes standard with a cap. Can be connected to a semi-concoupler SP type plug (4P) Please see the catalog for detailed specifications. Applicable fluids: air, water, high purity chemicals, various industrial gas; Body Shape: Socket; Valve Structure: Valve (with plug valve); Applications: General purpose with rubber seal material.