DocumentNo.:KE-0015-00 Sheet:9/37
Ⅰ ConstructionandDesignFeatures
6.StandardScreen
(1) The pressure loss of strainer is almost proportionate to the screen openings.
Howeverincaseforeignparticlesarepiledupinthescreenorperforationsormesh
is clogged, the pressure loss will increase. The screen needs to adequately be
cleanedupandwashedinordertosecurethespecifiedpressure.
(2) Selectscreenswithapropermaterialandmeshtothefluidstosecurethespecified
pressureandvelocity.Improperselectionofthescreenmayleadtotheoperational
malfunction.
(3) Screenopeningsmaydifferdependingonthethicknessofwire,eveniftheirmeshes
aresame.Takescreenopeningsintoconsideration,whenselectingscreens.
6.1SpecificationofKITZStandardStrainerScreen
StrainerType StandardSpecification Option
Bronze,CastIron,DuctileIron
(ExcludingClass20K)YStrainer
60°PerforatedStainlessSteel
Sheet
(25.4÷A(diameter)=MESH
Equivalent)
60°PerforatedStainlessSteelSheet
withthenet
(20・30・40・60・80・100 MESH)
DuctileIron(Class20K),Stainless
Steel,CarbonSteelYStrainer
40 MESH
(StainlessSteelWiredMesh
reinforcedbyperforatedsheet.)
20・30・60・80・100 Mesh
(StainlessSteelWiredMeshreinforced
byperforatedsheet.)
CastIronUStrainer
60°PerforatedStainlessSteel
Sheet
(25.4÷A(diameter)=MESH
Equivalent)
6.2 KITZStandardScreenOpenings
NominalDia.
(mm)
A(φ)P(mm)
MESH
Equivalent
Screen
Openings
(%)
YStrainer
8〜50
65〜125
150・200
250・300
1.4
1.5
3.0
5.0
2.4
2.5
5.0
7.0
18
17
11
5
28.5
32.7
32.7
46.4
UStrainer 50〜100 1.5 2.5 17 32.7