Wholesale Dealers of Multiple Directional Valve - Monoblock Valves-GDV80 series – Guorui

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Wholesale Dealers of Multiple Directional Valve - Monoblock Valves-GDV80 series – Guorui Detail:

Rated flow rate:

80L/min

Maximum flow rate:

100L/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

r1
GDV80 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”.

r3
For multi-spool mono-block valve, if one of the spools is in “1” or “2” position,then, there is no flow in its down stream spool’s neutral passage. The main throttle occurs on the valve opening between bridge passage and spool. The operator can control more than one spools, but the magnitude of the flow rate for each controlled spool is dependent on the load.
r2


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Wholesale Dealers of Multiple Directional Valve -  Monoblock Valves-GDV80 series – Guorui detail pictures


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With this motto in mind, we've got develop into amongst one of the most technologically innovative, cost-efficient, and price-competitive manufacturers for Wholesale Dealers of Multiple Directional Valve - Monoblock Valves-GDV80 series – Guorui, The product will supply to all over the world, such as: Melbourne, panama, Lesotho, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We're doing everything to supply our customers with best services and best solutions . We promise that we are going to be responsible all the way to the end once our services begin.
  • The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Nicola from Eindhoven - 2016.01.11 17:15
    This company has the idea of "better quality, lower processing costs, prices are more reasonable", so they have competitive product quality and price, that's the main reason we chose to cooperate.
    5 Stars By Mary from Houston - 2016.08.18 11:04

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