FLANGED/BUTT-WELDED CHECK VALVE SIZE: 2＂ to 12＂ PRESSURE: CLASS 150LB to CLASS 1500LB MATERIAL: WCB, LCB, CF8, CF8M, CF3, CF3M, (2＂to 12＂) A105, LF2, F304, F316, F304L, F316L(1/2＂ to 2＂) DESIGN &. MANUFACTURE STD: ASME B16.34, API 6D, JISB2074-JISB2084, BS1868 FACE TO FACE STD: ASME B16.10 (JISB2002), DIN3202, EN558, API 6D END CONNECTION STD: ASME B16.5, JISB2212-JISB2214, DIN2501, ASME B16.47 TEST STANDARD: API 598, API 6D, JISB2003 STRUCTURE TYPE: LIFT TYPE((1/2＂ to 2＂),SWING TYPE(2＂to 12＂) Teji Valve is ISO 9001 and CE certified and is China's professional valve manufacturer and exporter, mainly produces ball, gate, globe, check, strainer, butterfly valves, etc. in stainless steel, carbon steel and other material according to different standards such as API, ASTM, JIS etc., especially have large predominance for the small size ball valves