Used for the link of water,oil,air,gas and other pipeline.The price is verylow,and the quality is excellent.Also do OEM service. Product features·To API594·Face to face per ANSI B 16.10·flange ends dimension ANSI B 16.5/ANSI B 16.47·Final inspection tests to API598.Materials·WCB CF8 CF3 etc.Corrosion protection· Inside and outside epoxy coating·Applicable temperature:-196-540 different raw ...