Cast iron Y-strainer pipe series transmission medium is indispensable for a device, usually mounted on the valve, pressure relief valve, water valve or other device the import side, used to remove impurities in the medium, in order to protect the valve and equipment in normal use. The filter has advanced structure, small resistance, sewage and convenient. Suitable medium for water, oil, gas. Filter according to user requirements, its basically the same shape （Y type）, the internal parts of stainless steel, durable. When you need cleaning, simply remove the removable cartridge, remove the filter out impurities, reload, use and maintenance is very convenient. The filter small size, thin eye filter, low resistance, high effect, easy installation and maintenance, low cost, and discharge time is short, the general small models who just 5-10 minutes. Generally through the water network for the 18-30 mesh / cm2, 40-100 mesh ventilation network / cm2, 100-300 mesh network through the oil / cm2.