... price 4) OEM serviceMy company produce high quality for flange ball valve importer with quick delivery. In ... . Thread Connection: BSP, NPT, PT7. Standard: American, German, British, Japan, Chinese8. Material: carbon steel, stainless steel, brass9. Airproof ... yellow), G-electroplated yellow zinc (white) Namehigh quanlity for flange ball valve importerMaterialCarbon steel ,stainlesss steel ,brassSize1/4 ...