Cast Iron dual plate check valve, the price is inexpensive, with ordinary strength and good machinability.Our CI material is America standard ASTM A126 CLASS B. Also be similar to FC200, FC250, GG25, JIS-G5501.
And low plasticity and toughness. With good shock absorption and absorbs noise and vibration. The fasts thermal conductivity is convenient for smelting. Also, due to low cost and easy rust, most of them are used in alternative pipelines. Cast iron is suitable for use in environments where the fluid is water or normal ambient.