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Proportional Electro-hydraulic Pilot Relief Valve (EDG)

Model No.
EDG
Supplier
YUTIEN HYDRAULIC INDUSTRY CO., LTD.More About This Product
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Key Features

Proportional Electro-hydraulic Pilot Relief Valve (EDG)

Features

1.Simplify hydraulic system by breaking through the traditional complicated “one-pressure-one- controlling-valve” type of system.

2.Proportional coil can produce step-less pressure based on input electric current to bring out the best working condition of unifying hydraulic and electronic.

3.Function with fast response. The momentary number of pressure change is extremely small, hence is able to reduce the piping resonance.

Model Definition

EDG

-01

-C

Model Series

Valve Size

(inch)

Pressure adjustment Range

(MPa)

Proportional Electro-Hydraulic Pilot Relief Valve

01:1/8”

C:14

H:21

Specification

Model

Max. Operating Pressure

(MPa)

Max. Flow

(L/min)

Flow Adjustment Range

Max. Allowable Back Pressure

Rated Current

(mA)

Coil Resistance

Magnetic Hysteresis

Repeatability

Weight

(kg)

EDG–01

21

2

C:8~140

H:10~210

Note

C:750

H:700

10Ω

< 3%

< 0.5%

2

Note: The resistance of the return pipe should be cut down by using only one pipe and directly insert into the oil tank.

Instructions

1.Installation: Users are advised to face the air-bleeder up.

2.Air Elimination: In order to stabilize the pressure, air in the pipe and valve should be eliminated completely. Please face the air-bleeder up, open up the screw to eliminate the air till there is no bubble (set up the pressure at 30kgf/cm2), then screw back in.

3.Manual Pressure Adjustment Screw: when the electric control breaks down and is in need of power supply, users can just manually spin the screw in.

Drain: Please directly insert the return lines underneath the tank to avoid the pipe from bending or resisting.

Product Certification

Attachment


Last Update : 2010-01-29
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Mr.Loco Hsieh , YUTIEN HYDRAULIC INDUSTRY CO., LTD.

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