OEM Factory for Shanghai Mini Power Pack - Factory Price For Dcv40 China Factory Sale 40 Flow Hydraulic Oil Transfer Directional Monoblock Pneumatic Control Valve – Guorui

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“Sincerity, Innovation, Rigorousness, and Efficiency” could be the persistent conception of our organization for your long-term to establish alongside one another with shoppers for mutual reciprocity and mutual benefit for China Factory Direct Sale, China Valves, Monoblock Valves, Oil Transfer Directional Valve, We provide good quality but unbeatable low price and the best service. Welcome to post your samples and color ring to us .We will produce the goods according to your request. If you are interested in any products we offer, please feel free to contact us directly by mail, fax, telephone or internet. We are here to answer your questions from Monday to Saturday and looking forward to cooperating with you.

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.