DocumentNo.:KE-0015-00 Sheet:6/37
Ⅰ ConstructionandDesignFeatures
5. Specification
(1)TheproductsusedunderthecontroloftheHighPressureGasSafetyLaw,Gas
UtilityIndustryLawandFire Service Laware subjectto theregulationofthese
laws. Select correct strainers which are in full compliance with these laws.
Facilities which use these strainers are also required to meet the relevant laws
andregulations.Failureofusingtheappropriateproductsrequiredbythestandard
orregulationsmayleadtotheoccurrenceofthemajoraccidents.Theoperators
maybelegallypunishedasaresultoftheviolenceoftherequirements.
(2) Eachstrainerhasadifferentcharacteristicintheapplication,maximumpermissible
workingpressureandtemperature,andpressureloss.Selectappropriatestrainers
inaccordancewiththeserviceconditions.Improperselectionofproductsmaylead
totheoccurrenceofaccidents.
(3)Inorderto have strainers workingmost efficiently, the strainerbore size should
correspondtothepipeboresize.Iftheboresizeofstrainersissmallerthanthat
of pipes, the pressure loss will increase and the specified pressure may not be
maintained. Determine pipe nominal diameters not to exceed the service
conditionsspecifiedinSection5.2.
5.1 MaximumPermissibleWorkingPressureandTemperature
ProductCode ServiceConditions Max. Permissible
Working Pressure
Y SteadyFlowat120℃ andlower (Size2”andsmaller)
Steady Flow at 120℃ and lower(Size 21/2” and smaller)
ContactKITZforsaturatedsteamservice.
1.6MPa
1.37MPa
YNK SteadyFlowat85℃ andlower
PulsatingFlowat85℃ andlower
1.4MPa
1.0MPa
YK SteadyFlowat85℃ andlower 1.4MPa
CY SteadyFlowat120℃ andlower 1.37MPa
CYK SteadyFlowat85℃ andlower 1.4MPa
CYKN SteadyFlowat85℃ andlower
PulsatingFlowat85℃ andlower
1.4MPa
1.0MPa
10FCY
10FCYK
SteadyFlowat120℃ andlower
PulsatingFlow,oil*1orairat120℃ andlower
SaturatedSteam
Gas*2at120℃ andlower
1.37MPa
0.98MPa
0.69MPa
0.20MPa
10FCYC
10FCYCK
SteadyFlowat40℃ andlower
PulsatingFloworOil*1at40℃ andlower
1.37MPa
0.98MPa
10FCYN
10FCYNK
SteadyFlowat60℃ andlower
PulsatingFloworOil*1at60℃ andlower
1.37MPa
0.98MPa