... . Body finish: brass color or nickle plating 4. Flow port: standard flow, full flow, reduced flow5. Ball material: brass, stainless steel, ... and ACS quality certificate10. Management certificate: ISO2008; B.V. on site inspection 11.Pressure: PN16, PN20, PN25, PN30, PN40 ... pressure leakage inspection for quality guarantee15.Manufacturer's mark on body and series no. for furture quality reimbursement16. ...