Popular Design for Lift Table Power Pack Hydraulic - Monoblock Valves-GDV45 series – Guorui

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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of employees building, striving hard to boost the standard and liability consciousness of staff members. Our corporation successfully attained IS9001 Certification and European CE Certification of 12v Dc Hydraulic Power Pack With Hand Pump, 24v Mini Hydraulic Power Pack, Orbit Hydraulic Motor, we could solve our customer problems asap and do the profit for our customer. If you need good service and quality , pls choose us , thanks !
Popular Design for Lift Table Power Pack Hydraulic - 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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Popular Design for Lift Table Power Pack Hydraulic - Monoblock Valves-GDV45 series – Guorui detail pictures


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We have quite a few great team customers very good at internet marketing, QC, and dealing with kinds of troublesome trouble while in the output approach for Popular Design for Lift Table Power Pack Hydraulic - Monoblock Valves-GDV45 series – Guorui, The product will supply to all over the world, such as: Muscat, Morocco, Costa Rica, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
  • Problems can be quickly and effectively resolved, it is worth to be trust and working together.
    5 Stars By Stephen from Stuttgart - 2015.08.12 12:27
    This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
    5 Stars By Lena from Porto - 2015.07.26 16:51

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