Cast Iron Dual Plate Check Valve
The Cast Iron Wafer Check Valves is made by foreign advanced structural design in our factory, which is in line with relevant national standards and belongs to energy saving products. This product has good check performance, safety and reliability, and low flow resistance coefficient. It is mainly used in petroleum, chemical industry, food, medicine, textile, paper making, water supply and drainage, smelting and energy system.
Technical Specification
Normal Size Range: 2"-24", DN50~DN600
Normal Pressure Rating: CLASS150, PN10, PN16
Material: GG25, GG40
Temperature Range: -29~80Degree C
Standards compliance
Design and Manufacture: API 594, API 6D, JB/T8937
Face to face(end to end): API 594, API 6D, JB/T8937, DIN3202
Flanged connection: ANSI B16.5, DIN2543~48, JB/T9112~24
Butt welded end: ANSI B16.25
Test and inspection: API598, DIN3230, JB/T9092