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sexpansiono
ftypeofzerogravity,
(3)ThesampledevicmentofMulti-dimensionalsamplingvalve,thenu
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item parameter
Carriedstandard ISO3170GB/T4756-1998《Thepetroleumliquidhandicraftsamplemethod》
Usualsampledot Uppersample 、 middlesample 、 lowersample 、
distributionsetting uppermiddleslowe’s1:1:1uniformbinationsampleandbottomsample 、
exitssamples、uppersample（reference）
Multilayerframe Reachingtothebottomofoiltankis600-25000mm
meansexpansion
sampleallowable
hight
Applicablemedium Gas 、 kerosene 、 diesel 、 solventoil 、 naphtha 、 petroleumaromatics 、
paraffindestillat、residualoil、heavyoil、crudeoil、bitumenandsoon
Samplehightlocation ±20mm
error
Oiltankconnectingsp Reachtothebottomofoiltankis500-800mm（convenienthightforsample
oolinstallionalloca operation）
tion
Speedincreasingrati 3:1
Handpump Gearpum o
p Flow
Deliverylift 50m
Speedincreasingrati 1:1Displac o
ementpu Flow
mp Deliverylift