Introduce: filter is a kind of indispensable device on conveying medium pipeline, usually installed in the inlet end of pressure reducing valve, pressure relief valve, fixed water level valve or other equipment, used to eliminate impurities in the medium, in order to protect the normal use of valve and equipment.When the fluid into the set has a certain specification of filter cartridge, the impurities are blocked, and the clean filtrate is discharged from the filter outlet, when the need to clean, as long as the removable filter cartridge out, after treatment reload can, therefore, the use of maintenance is very convenient.

Function: the filter is a kind of filter device which the pipeline system of transmission medium is indispensable, the filter usually installs in the reducing valve, the pressure relief valve, the fixed water level valve or other equipment inlet end, USES to clear the impurity in the medium, in order to protect the valve and the equipment's normal use.

Applicable medium: water, steam, air, oil and other pipe fluid medium with impurities.

1, use

This product is suitable for chemical, petrochemical, petroleum, papermaking, mining, electric power, liquefied gas, food, pharmaceutical, water supply and drainage, municipal, mechanical equipment supporting, electronic industry, urban construction and other fields.

2, the maintenance

After the system has been in operation for an initial period of time (generally not more than a week), the system shall be cleaned to remove impurities and contaminants that have accumulated on the filter during the initial operation of the system.After that, wash regularly.Cleaning times are determined according to working conditions.If the filter does not have blowdown plug, the filter limit device and filter screen should be removed when cleaning the filter.

3, design selection points

Inlet and outlet diameter: in principle, the inlet and outlet diameter of the filter should not be less than the inlet diameter of the matching pump, which is generally consistent with the inlet pipe diameter.

Nominal pressure: the pressure grade of the filter shall be determined according to the highest pressure that may appear in the filter pipe.

Hole number selection: mainly consider the impurity particle size to be intercepted, according to the process requirements of the medium.Screen can intercept various specifications of particle size size check the table below "filter specifications."

Filter material: the material of the filter is generally the same as that of the process pipe. For different service conditions, cast iron, carbon steel, low alloy steel or stainless steel may be selected.

Calculation of resistance loss of filter: for water filter, the pressure loss is 0.52 ~ 1.2kpa when the rated flow velocity is generally calculated

Remarks on other technical parameters

[1.] connection: flange, thread (internal thread)

【2 】 transmission: self-powered

[3.] caliber from dn6-dn1200;Pressure from 1.0mpa-16mpa;Temperature 40 ℃ - 450 ℃

【4 】 material: carbon steel, stainless steel, ductile iron, gray iron and other special steel;