8 Year Exporter Pressure Control Valve - Monoblock Valves-GDV160 – Guorui

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8 Year Exporter Pressure Control Valve - Monoblock Valves-GDV160 – Guorui Detail:

Rated flow rate: 160L/min
Maximum flow rate: 170L/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℃
Solenoid can be either 12 VDC or 24 VDC, corresponding current is 0-1.5 or 0-0.75 Amp.

Operating Principle
180
GDV160 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 drop. When on 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 valve to parallel passage, then, through spool opening to work port “A” or “B”.
180c
As shown in above picture, the first spool is in neutral position, flow from pump flows to parallel passage through the load check valve to supply flow to two spool. Because the second spool is pulled out 7mm, the second spool opening between parallel passage to A2 port allows flow to enter the A2 port. B2 port connected to return passage. Neutral passage is blocked by second spool.


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8 Year Exporter Pressure Control Valve -
 Monoblock Valves-GDV160 – Guorui detail pictures


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"Control the standard by the details, show the power by quality". Our firm has strived to establish a extremely efficient and stable employees crew and explored an effective excellent command method for 8 Year Exporter Pressure Control Valve - Monoblock Valves-GDV160 – Guorui, The product will supply to all over the world, such as: Ghana , Uruguay , Switzerland , With the first-class products, excellent service, fast delivery and the best price, we have won highly praise foreign customers'. Our products have been exported to Africa, the Middle East, Southeast Asia and other regions.
  • The company's products very well, we have purchased and cooperated many times, fair price and assured quality, in short, this is a trustworthy company!
    5 Stars By Astrid from Rome - 2015.12.25 12:43
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    5 Stars By Alva from France - 2015.02.21 12:14

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