LCT pressure type of groundwater, the iron pressure filter device, jet, the rotor resistance orifice flowmeter, water pipe, flush of a complete set of iron new equipment. This device applicable to iron 10mg/l, not more than 550 not less than the PH value of groundwater in processing. After the treatment of less than 0.3 iron water mg/l. Comply with the national "sanitary standard for drinking water requirement. Especially suitable for small, rural water supply, water, groundwater mining enterprises owned in iron and demineralized water.