1.Standard: API, ANSI, DIN, BS, JIS 2.Certificate: ISO, API, CE, AZ 3.Material: WCB, 304,316, ... kinds of pipelines of 150LB-2500LB,PN16-PN420,10K-200K 2.pressure:150LB-2500LB,PN16-PN420,10K-200K 3.material:cast ... ,SS steel,brass etc 4.Size: 1/4" to 2"5.Certificate: ISO, API, CE, AZ One PC Stainless Steel Full Bore Screwed Manual Ball Valve