Online Exporter Small Mini Hydraulic Power Unit - Monoblock Valves-GDV45 series – Guorui

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Using a total scientific good quality management process, superior high quality and excellent faith, we get great name and occupied this field for Looking For New Distributors , Dump Truck Parts , Dredger Hydraulic Power Pack Unit , We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
Online Exporter Small Mini Hydraulic Power Unit - Monoblock Valves-GDV45 series – Guorui Detail:

Rated flow rate: 45L/min
Maximum flow rate: 55L/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℃

Operating Principle
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GDV45-1 is an one spool valve. It is also an open center, 3 position 4 way valve. When spool is in neutral, flow from pump passes through neutral passage to tank. Produces very little pressure drop. When spool is move to “1” or “2” position, the neutral passage is blocked by spool. The flow from pump has to pass through the parallel passage to provide flow to spool’s metering to work port. The spool stroke is 7mm. For GDV45-1 mono-block valve, it cannot provide power beyond function.
2 Spool Mono-block Valve
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GDV45-2 Two spool mono-block valve is also an open center, 3 position 4 way valve. When spool are all in neutral ,flow from pump passes through neutral passage to tank, and produces very little pressure drop. When one of the spool is moved to “1” or “2” position, the neutral passage is blocked by the spool. The flow from pump has to pass through the parallel passage to provide flow to spool’s metering to work port. There are options to choose for location of the inlet port and return port. There is also an option to have power beyond port. If first spool is moved to “1” or “2” position, then, the second spool’s neutral passage has no flow. The operator can operate two spools at the same time, but the speed of the controlled device is dependent on the load of the device.


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Online Exporter Small Mini Hydraulic Power Unit -
 Monoblock Valves-GDV45 series – Guorui detail pictures


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We always believe that one's character decides products' quality, the details decides products' quality ,with the REALISTIC,EFFICIENT AND INNOVATIVE team spirit for Online Exporter Small Mini Hydraulic Power Unit - Monoblock Valves-GDV45 series – Guorui, The product will supply to all over the world, such as: Jamaica , Panama , Vietnam , To have much more enterprise. ompanions, we've got updated the item list and seek for optimistic co-operation. Our web-site shows the latest and complete information and facts about our merchandise list and company. For further acknowledge, our consultant service group in Bulgaria will reply to all of the inquiries and complications immediately. They're about to make their finest effort to meet buyers need. Also we support the delivery of absolutely free samples. Business visits to our business in Bulgaria and factory are generally welcome for a win-win negotiation. Hope to expertise a happy company co-operation perform with you.
  • As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Beatrice from Armenia - 2015.10.31 10:02
    It's really lucky to find such a professional and responsible manufacturer, the product quality is good and delivery is timely, very nice.
    5 Stars By Anastasia from Slovenia - 2016.02.14 13:19

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