Factory making Agricultural Car Hydraulic Pumps - Monoblock Valves-GDV120 series – Guorui
Factory making Agricultural Car Hydraulic Pumps - Monoblock Valves-GDV120 series – Guorui Detail:
Rated flow rate: | 120L/min | ||||
Maximum flow rate: | 130L/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
GDV120 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 pressre drop.
Product detail pictures:
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By Lorraine from Moldova - 2015.09.16 11:31