... have more than 15 years' experience. Stainless Steel Ball Valve Products Introduction 1.Investment castings for body and cap ... Internal entry blow-out proof stem NameStainless Steel Ball ValveMaterialStainless steel CF8M,CF8,CF3M,WCBconnection formBSPT/ ... manufacturingPA, POM, ABS, PP, PET, PC, PE, HDPE, PA66+GF, PVC, TPE etc45#,50#,P20.718.S136 ... .Factory Demonstrate Stainless Steel Mini Ball Valve