Single Disc Swing Check Valve

Single Disc Swing Check Valve 1) Size: 1" - 20" 2) Class: 150lbs - 900lbs Technical standards: 1) Design and manufacture: API 6D 2) Face-to-face: ANSI B16.10 3) Flange end: ANSI B16.5 4) Inspection and test: API 598 Main materials: 1) Body and bonnet: CS / SS - CB, WCA, WCC, A351, 304, 340L, 316, 316L, 17-4pH 2) Disc: CS / SS - WCB, WCA, WCC, A351, 304, 340L, 316, 316L1, 7-4pH 3) Card wreath: SS-304, 340L, 316, 316L17-4pH 4) Spring: Stainless steel (SS)

ball valve