OEM Customized Mini Hydraulic Pump - Monoblock Valves-GDV80 series – Guorui

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We usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for Manual Directional Control Valve, Electric And Manual Control, Casting Iron Gear Pump Hydraulic, We maintain timely delivery schedules, innovative designs, quality and transparency for our customers. Our moto is to deliver quality products within stipulated time.

OEM Customized Mini Hydraulic Pump - Monoblock Valves-GDV80 series – Guorui Detail:

Rated flow rate：	80L/min
Maximum flow rate：	100L/min
Maximum pressure at P port：	310bar
Maximum pressure at A/B port：	310bar
Maximum pressure at T port：	25bar
Internal leakage (at 70 bar):A/B toT ：	30-35CC/min
Temperature range of the hydraulic oil：
With NBR (BUNA-N) seals	-20℃-80℃
With FPM (VITON) seals	-20℃-100℃
Spool stroke (1/2 position)：	+7/-7 mm
With floating function (1/2 and F position)：	+7/-7 -9 mm
Recommend hydraulic oil viscosity range：	15-75mm²/s
Recommend temperature range：	-40℃-60℃
Solenoid can be either 12 VDC or 24 VDC, corresponding current is 0-1.5 or 0-0.75 Amp.

Operating Principle

GDV80 series mono-block valve is an open centered, 3 position 4 way valve. When spool is in its neutral position, the flow from pump passes through the neutral passage to tank, with very low pressure drop. When one of the spool is moved to “1” or “2” position, the neutral passage is blocked. The flow from pump can only pass through load check to parallel passage, then, through the spool opening to work port “A” or “B”.

For multi-spool mono-block valve, if one of the spools is in “1” or “2” position,then, there is no flow in its down stream spool’s neutral passage. The main throttle occurs on the valve opening between bridge passage and spool. The operator can control more than one spools, but the magnitude of the flow rate for each controlled spool is dependent on the load.

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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for OEM Customized Mini Hydraulic Pump - Monoblock Valves-GDV80 series – Guorui, The product will supply to all over the world, such as: Milan, South Korea, moldova, After years' creating and developing, with the advantages of trained qualified talents and rich marketing experience, outstanding achievements were gradually made. We get good reputation from the customers due to our good solutions quality and fine after-sale service. We sincerely wish to create a more prosperous and flourishing future together with all the friends home and abroad!

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