... before delivery and only the qualified ones can be exported.For ball valves order, please specify the size, material, surface ... BSPT, NPT3. Valve Body Material: Carbon steel, Stainless steel, Brass4. Ball Body Material: Carbon steel, Stainless steel, Brass 5. ... 07-without handle8. Design Number: to be decided by the manufacturer9. Surface Disposal: blank-phosphoric polish, G-electroplated yellow ...