Features Simple structure, easy operation Streamline shape, excellent regulation performance Zero leakage, long service life Valve disc is connected with stem without pin Replaceable seat, bi-directional seal
Standards Design and Manufacture: API 600 Face to Face: ASME B16.10 Flanged Ends : ASME B16.5 Butt Welded Ends: ASME B16.25 Test and Inspection:API 598