2017 High quality Handheld Mini Hydraulic Motor Pump - Monoblock Valves-GDV80 series – Guorui

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Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by providing worth added design and style, world-class producing, and repair capabilities for Monoblock Control Valve 70l , Handheld Hydraulic Power Pack , Dock Leveller Hydraulic Power Unit , We are one of the largest 100% manufacturers in China. Many large trading companies import products from us, so we can give you the best price with the same quality if you are interested in us.
2017 High quality Handheld Mini Hydraulic Motor Pump - 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


Product detail pictures:

2017 High quality Handheld Mini Hydraulic Motor Pump -
  Monoblock Valves-GDV80 series – Guorui detail pictures


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We always believe that one's character decides products' quality, the details decides products' high-quality ,together with the REALISTIC,EFFICIENT AND INNOVATIVE crew spirit for 2017 High quality Handheld Mini Hydraulic Motor Pump - Monoblock Valves-GDV80 series – Guorui, The product will supply to all over the world, such as: Singapore , Islamabad , Angola , "Create Values,Serving Customer!" is the aim we pursue. We sincerely hope that all customers will establish long term and mutually beneficial cooperation with us.If you wish to get more details about our company, You should contact with us now!
  • The after-sale warranty service is timely and thoughtful, encounter problems can be resolved very quickly, we feel reliable and secure.
    5 Stars By Griselda from Mombasa - 2016.12.19 11:10
    The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!
    5 Stars By Edwina from Kenya - 2015.09.23 17:37

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