Size: NPS 1/2"-36" Pressure: Class 150 -2500 Operated Way: Manual, Bevel Gear, Electric Standards: Design & manufacture: API 600; ISO 10434; API 6D Testing & inspection: API 600; ISO 10434; API 598; API 6D End flange dimension: ANSI B16.5; ANSI B16.47; API 605; MSS SP-44; JIS B2238 BW end dimension: ANSI B16.25 Face-to-face and End-to-end: ANSI B16.10 Pressure & temperature rating: ANSI B16.34 Material: Body and disc: WCB, ZG1Cr18Ni9Ti, CF8 (304), CF3 (304L), ZG1Cr18Ni12Mo2Ti, CF8M (316) Stem and inner parts: 2Cr13, 1Cr18Ni9Ti, 0Cr19Ni9 (304), 00Cr19Ni11 (304L), 1Cr18Ni12Mo2Ti, 0Cr17Ni12Mo2 (316) Seal surface: Cr13 or cemented carbides, Same as body material. Packing: Flexible graphite Gasket: Stainless steel spiral wounded gasket We can manufacture various kinds of gate valves according to customer's requirements.