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HYDRAULIC CIRCUIT ANDHYDRAULIC CIRCUIT AND
DESIGN DESIGN
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HYDRAULIC CIRCUIT DEFINITION HYDRAULIC CIRCUIT DEFINITION • Hydraulic circuit :
Consists of group of components suchas pumps, control valves, conductors and
others to perform useful task• Hydraulic circuits is developed using graphicsymbols based on established standard for all
components• Standards used may include ANSI (American
National Standards Institute and IS!(International !rgani"ation for
Standardi"ation
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Performance Criteria ofPerformance Criteria of
Designing Hyra!"ic Circ!itsDesigning Hyra!"ic Circ!its#$ Safety of !peration
%$ &erformance of 'esired
function$ )fficiency of !peration
*$ Cost of Installation and
+aintenanceConvention reuires that circuit diagram be dra-n-ith all components sho-n in their
!n#act!ate $osition
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Contro" of A Sing"e Acting Hyra!"icContro" of A Sing"e Acting Hyra!"ic
Cy"iner Cy"iner
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Control of 'ouble Acting HydraulicControl of 'ouble Acting Hydraulic
CylinderCylinder
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'.I//IN0 +ACHIN) A&&/ICA1I!N'.I//IN0 +ACHIN) A&&/ICA1I!N
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&2+& 2N/!A'IN0 CI.C2I1&2+& 2N/!A'IN0 CI.C2I1
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'!23/) 4 &2+& H5'.A2/IC'!23/) 4 &2+& H5'.A2/IC
S5S1)+S5S1)+
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C!2N1).3A/ANC) 6A/6) A&&/ICA1I!NC!2N1).3A/ANC) 6A/6) A&&/ICA1I!N
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HYDRAULIC CYLINDER SE%UENCINGHYDRAULIC CYLINDER SE%UENCING
CIRCUIT CIRCUIT
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+)1). IN S&))'+)1). IN S&))'
C!N1.!/C!N1.!/
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+)1). !21 S&))' C!N1.!/+)1). !21 S&))' C!N1.!/
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Conveyor TensioningDevice