Super Purchasing for Tractor Gear Pump - Monoblock Valves-GDV80 series – Guorui

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Our primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for Monoblock Control Valve 70l, 12 Volt Hydraulic Pump Motor, Low Pressure Oil Pump, Since the manufacturing facility founded, we have now committed on the progress of new products. While using the social and economic pace, we are going to continue to carry forward the spirit of "high high-quality, efficiency, innovation, integrity", and persist with the operating principle of "credit to start with, customer initially, top quality excellent". We'll make a amazing long run in hair output with our companions.

Super Purchasing for Tractor Gear 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

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”.

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.

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We thinks what prospects think, the urgency of urgency to act from the interests of a client position of theory, allowing for greater high-quality, reduced processing costs, rates are much more reasonable, won the new and previous consumers the support and affirmation for Super Purchasing for Tractor Gear Pump - Monoblock Valves-GDV80 series – Guorui, The product will supply to all over the world, such as: Dominica, New Zealand, European, Since its foundation , the company keeps living up to the belief of "honest selling , best quality , people-orientation and benefits to customers. " We are doing everything to offer our customers with best services and best products . We promise that we'll be responsible all the way to the end once our services begin.

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Company director has very rich management experience and strict attitude, sales staff are warm and cheerful, technical staff are professional and responsible,so we have no worry about product,a nice manufacturer.

By Helen from Slovakia - 2016.08.15 12:36

This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately， we successfully completed the procurement tasks.

By Miriam from Greece - 2015.11.02 11:11