Check Valve Product Description: DESIGN API 6D / BS 1868 TESTING API 598 / BS 6755 PART I FLANGE END ANSI B 16.5 BW END ANSI B 16.25 FACE TO FACE ANSI B 16.10 MOC WCB/ WC6/ WC9/ CF 8/ CF 8M/ CF 3/ CF 3M/ CN 7M SIZE 15 MM TO 600 MM Contact Us Enquire Now