Pressure Regulating Valve HG /SV Series

Conventional Valve

Pressure Regulating Valve HG/SV Series

Pressure Regulating Valve Model: HG-06-3-D4-P-30/ HCG-03-3A3/ HG-03-2B2/ HG-06/ SV-06G-3A

MODEL NUMBER DESIGNATION

SPECIFICATION

ACCESSORIES (G TYPE)

EXPLANATION OF MODEL PERFORMANCE

Valve Name Model No.	Model A1 Counterbalance Valve HG - *** - A1 – 30	Model B2 Sequence & Check Valve HG - *** - B2 – 30	Model C3 Sequence & Check Valve HG - *** - C3 – 30	Model D4 Counterbalance Valve HG - *** - D4 - 30
Pressure Piloted & Residual Oil Leak Back	Inner pilot / Inner Leakage	Inner Pilot / Outer Leakage	Outer Pilot / Outer Leakage	Outer Pilot / Inner Leakage
Construction & Action Drawing
Hyd. Symbol
Illustration	Apply the inner pilot pressure be over the setted spring pressure, for then, the balance piston shaft upward and open the circuiting of 1^st pressure & 2^nd pressure, the 2^nd pressure connecting the oil tank, so that, that is a direct relief valve, but these valves be installed in the hyd. Circuiting scarcely.	By sequence action, there are two by pass circuiting in the hyd. Circuiting, and adopts inner pilot, for then in sequence action for circuiting. If you want the and pressure backward to the 1^st pressure, you must apply the check type sequence valve.	The inner & outer piloted, but the action & principle is same as the sequence valve.	In the four models, the unloading valve is widely used, the combination output capacity for the large displacement low pressure pump & little displacement high pressure pump make the action of hydraulic cylinder fast, during hyd. Cylinder the pressure advance and high pressure pump pilot the pressure to the piston rod, the output of low pressure pump was released to the oil tank, and hyd. pump being unload.

HG-03 / SV-03

DIMENSIONS / SVC-03G / SVC-06G

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