Personlized Products 12v 24 Dc Hydraulic Power Unit For Sale - Monoblock Valves-GDV70 series – Guorui

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Just about every member from our large efficiency income crew values customers' wants and enterprise communication for Sectional Control Valve, Dredger Hydraulic Power Pack Unit, 12v Dc Mini Power Unit, With a wide range, good quality, reasonable prices and good service, we will be your best business partner. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Personlized Products 12v 24 Dc Hydraulic Power Unit For Sale - Monoblock Valves-GDV70 series – Guorui Detail:

Rated flow rate: 70L/min
Maximum flow rate: 80L/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
GDV70
GDV70 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”.GDV70-1
As shown in above picture, when first spool is in neutral, flow from pump passes through load check valve and center the parallel passage to supply flow to both spool. Due to second spool is moved to “2” position, the flow from parallel passage flows to “A2” through the spool opening. The flow from “B2” flows to return passage through the spool’s another opening. Neutral passage is blocked by the second spool.


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Personlized Products 12v 24 Dc Hydraulic Power Unit For Sale -  Monoblock Valves-GDV70 series – Guorui detail pictures


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Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction for Personlized Products 12v 24 Dc Hydraulic Power Unit For Sale - Monoblock Valves-GDV70 series – Guorui, The product will supply to all over the world, such as: Bhutan, Ecuador, Zurich, We hope we can establish long-term cooperation with all of the customers, and hope we can improve competitiveness and achieve the win-win situation together with the customers. We sincerely welcome the customers from all over the world to contact us for anything you need!Welcome all customers both at home and abroad to visit our factory. We hope to have win-win business relationships with you, and create a better tomorrow.
  • Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
    5 Stars By Antonio from azerbaijan - 2015.06.18 17:25
    The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
    5 Stars By Nina from Johannesburg - 2016.08.21 14:13

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