OEM Factory for Port Line Joyang Hydraulic Gear Pump - Top Grade China Hand Operated Hydraulic Monoblock Directional Valve – Guorui
OEM Factory for Port Line Joyang Hydraulic Gear Pump - Top Grade China Hand Operated Hydraulic Monoblock Directional Valve – Guorui Detail:
We’re proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for Top Grade China Hand Operated Hydraulic Monoblock Directional Valve, High-quality is factory’s everyday living , Focus on customers’ demand would be the source of organization survival and advancement, We adhere to honesty and good faith doing the job attitude, seeking forward towards your coming !
We’re proud from the higher client fulfillment and wide acceptance due to our persistent pursuit of high quality both on product and service for China Monoblock Valve, Directional Valve, With its rich manufacturing experience, high-quality items, and perfect after-sale service, the company has gained good reputation and has become one of the famous enterprise specialized in manufacturing series.We sincerely hope to establish business relation with you and pursue mutual benefit.
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
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”.
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.
Product detail pictures:
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Our growth depends on the superior equipment ,exceptional talents and continuously strengthened technology forces for OEM Factory for Port Line Joyang Hydraulic Gear Pump - Top Grade China Hand Operated Hydraulic Monoblock Directional Valve – Guorui, The product will supply to all over the world, such as: Lebanon, Manchester, Georgia, Establish long term and win-win business relationships with all our customers, share the success and enjoy the happiness of spreading our products to the world together. Trust us and you will gain more. Please feel free to contact us for more information, we assure you of our best attention at all times.
By Dinah from Iceland - 2016.01.28 18:53
Managers are visionary, they have the idea of "mutual benefits, continuous improvement and innovation", we have a pleasant conversation and Cooperation.
By Murray from Ireland - 2015.09.29 13:24