Good User Reputation for 12 Volt Hydraulic Pump Motor Power Unit - Monoblock Valves-GDV45 series – Guorui

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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for Hydraulic Motor For Mini Combine Harvester , Double Acting Power Pack , Mini Hydraulic Pump , With advantage of industry management, the company has always been committed to supporting customers to become the market leader in their respective industries.
Good User Reputation for 12 Volt Hydraulic Pump Motor 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
w1
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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Good User Reputation for 12 Volt Hydraulic Pump Motor Power Unit -
 Monoblock Valves-GDV45 series – Guorui detail pictures


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Using a complete scientific high quality management program, superior high quality and superior faith, we acquire great reputation and occupied this industry for Good User Reputation for 12 Volt Hydraulic Pump Motor Power Unit - Monoblock Valves-GDV45 series – Guorui, The product will supply to all over the world, such as: UK , Egypt , Israel , We strive for excellence, constant improvement and innovation, is committed to make us the "customer trust" and the "first choice of engineering machinery accessories brand" suppliers. Choose us, sharing a win-win situation!
  • This enterprise in the industry is strong and competitive, advancing with the times and develop sustainable, we are very pleased to have a opportunity to cooperate!
    5 Stars By June from Danish - 2015.06.21 17:11
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Maud from Moscow - 2016.06.22 12:49

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