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VM28NFPF-204262

The integral multi-way control valves, consisted by left and right body and straight traveling valve. The features contain that intensive excavate, movable arm, rod confluence with bucket, bucket rod regenerative, rotary priority, active arm priority, active arm keep loading with bucket rod and etc. It mainly used in 20-25 ton negative flow controlling system hydraulic excavator. Such as Liugong/XGMA excavator
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Technical Parameter

Model

VM28

Max flow

250L/min

Oil temp range

-20ºC~+90ºC

Main relief valve set pressure

Std 31.5(+1/0)MPa, when 180L/min

Boost 35(+1/0)MPa, when 160L/min

Port relief valve set pressure

Boom,arm,bucket 37(±0.5)MPa, when 20L/min

Option 20(±0.5)MPa, when 20L/min

Negative control valve set pressure

3.2(+0.7/0)MPa, when 30L/min


The integral multi-way control valves, consisted by left and right body and straight traveling valve. The features contain that intensive excavate, movable arm, rod confluence with bucket, bucket rod regenerative, rotary priority, active arm priority, active arm keep loading with bucket rod and etc. It mainly used in 20-25 ton negative flow controlling system hydraulic excavator. Such as Liugong/XGMA excavator


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