Hot sale Factory Low Noise Transmission Pump - Monoblock Valves-GDV45 series – Guorui

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With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for Hydraulic Monoblock Spools, 24v Hydraulic Pump Motor, Hydraulic Oil Pump, We have been wanting forwards to creating long-term company interactions with around the world shoppers.

Hot sale Factory Low Noise Transmission Pump - 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

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

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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We keep on with the basic principle of "quality to start with, support very first, continuous improvement and innovation to meet the customers" for your management and "zero defect, zero complaints" as the quality objective. To great our service, we offer the items with all the superior top quality at the reasonable selling price for Hot sale Factory Low Noise Transmission Pump - Monoblock Valves-GDV45 series – Guorui, The product will supply to all over the world, such as: Turkey, Saudi Arabia, Victoria, We are looking forward to cooperating closely with you to our mutual benefits and top development. We guaranteed quality, if customers were not satisfied with the products' quality, you can return within 7days with their original states.

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