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How to choose the right strainer?

Writer:Fanny KangDate:2017-4-27 11:27

 The strainer is a small device that removes a small amount of solid particles in the liquid to protect the equipment from normal operation. When the fluid enters the strainer cartridge with a certain size of the strainer, the impurities are blocked and the clean filtrate is discharged from the strainer outlet, When the need for cleaning, as long as the removable cartridge out, after processing can be reloaded.


1, the strainer import and export diameter:

In principle, the strainer inlet and outlet diameter should not be less than the matching pump inlet diameter, generally consistent with the inlet pipe diameter.


2, nominal pressure selection:

Determine the pressure level of the strainer according to the maximum pressure that may occur with the strainer line.


3, the number of holes in the choice:

The choice of the number of holes in the strainer is mainly to consider the impurity particle size to be intercepted, depending on the process requirements of the media process. A variety of specifications can be intercepted screen size check the following table "strainer specifications."


4, the strainer material:

The material of the strainer is generally the same as that of the connected process piping. For different service conditions, it is possible to consider the selection of cast iron, carbon steel, low alloy steel or stainless steel strainer.


5, the strainer resistance loss calculation

Water strainer, the general calculation of the rated flow rate, the pressure loss of 0.52 ~ 1.2kpa.



strainer application 

1. Stainless steel strainer

   Stainless steel strainer widely used in steam, air, water, oil, and other media in the pipeline; to protect the pipeline system of various equipment, pumps, valves, etc .; from the pipeline rust, solder ballast and other impurities, And damaged. Stainless steel strainer anti-fouling strong, convenient sewage, circulation area, the pressure loss is small, simple structure, small size, light weight. strainer material are stainless steel, corrosion resistance, long service life.

2.Y type strainer

Cast iron Y type strainer

   Y-type strainer delivery medium piping system is an indispensable kind of strainer device, Y-type strainer is usually installed in the pressure relief valve, pressure relief valve, water level valve or other equipment, the inlet side, used to remove impurities in the media, To protect the normal use of valves and equipment. Y-type strainer with advanced structure, low resistance, convenient sewage and so on.


3.T-type strainer

T type strainer

   T-type strainer is widely used in steam, air, water, oil and other media in the pipeline, the protection of pipeline systems on a variety of equipment, such as pumps, valves, etc., from the pipeline of rust, To block and damage the pipe. Shanghai-US valve Manufacturing Co., Ltd. production of T-type strainer with strong anti-fouling, sewage convenience, large circulation area, the pressure loss is small, simple structure, small size and other characteristics; T-strainer strainer material are stainless steel, Corrosion resistance, long service life; T-type strainer is also divided into direct current and baffle, the strainer density of 10 mesh-120 mesh, temperature 0 ~ 450 ℃, according to user needs to choose.

TypeInfo: Technical Articles

Keywords for the information:Strainer  Y type strainer  T strainer  Filter  Cast iron Y strainer