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D-51

Electro-hydraulic directional valve

DSG-04 、06、10 系列（series）

1: Installation surface symbols ISO4401, CETOP, DIN24340,

NFPA specifications, strong interoperability.

2: Controlling the direction of this valve core with an electromagnetic directional valve not only has the characteristics

and functions of an electromagnetic directional valve, but

also achieves the purpose of high pressure and large flow

control.

3: By installing and removing the oil plug, it is easy to

achieve a combination of different control methods and

leakage methods.

Model Description

Specification Table

characteristic

接线方式

Connection

method

LW: 接线盒型

Junction

box type

(JIS)

DL :插头型

标准带灯

Plug type

with light

(DIN)

DSG -DL

Unmarked:

Standard type

S: With stroke

adjustment

N: New type

Unmarked:

Internal

control

(standard type)

P: External

control

Unmarked:

Internal

leakage

(standard type)

D: External

leakage

Valve core

skill table

reference

D-51

YOLON

标准系列

series

Size

1 : The internal leakage oil must be stored at a pressure higher than the oil pipe pressure of 0.45MPa or more. To prevent excessive

back pressure of the oil pipe, please choose the external leakage type (D) to ensure accurate action of the electro-hydraulic valve.

2 : 3C3, 3C5, 3C6, and 3C60 valve cores, please choose external control P-type.

3: This series of electro-hydraulic directional valves must be used in conjunction with solenoid valves, single head DSG-02-2B2, and

double head DSG-02-3C4. Please contact Shanghai Ruanlong Industrial Automation Electrical Appliance Co., Ltd

DSG

Model

Rated flow rate Max flow Control pressure Permissible

back pressure

at the return

port(MPa)

commutating

frequency(CPM) weight(kg)

Min Max

Max pressure

specifications Valve core type Coil Voltage control mode Leakage mode Annotations

Note: 1: Explanation of the oil circuit interconnection status, electromagnet \"a\" is powered on P-A, B-T, and electromagnet

\"b\" is powered on P-B, A-T. The valve cores of 3C5, 3C6, and 3C60 have opposite oil circuit interconnectivity.

2: Special specifications, please contact the technical department of Ruan Long Company

阮隆

Two position spring return

Two position spring

return

Two position spring

return

Two position spring

return

Two position spring

return

DSG-04、06、10 系列 series

Valve core skill table

Two position spring return

Two position mechanical

positioning

Two position mechanical

positioning Three position spring return

特殊阀芯类型，请与上海阮隆工业自动化电器有限公司技术部联系。

For special valve core types, please contact the technical department of Shanghai Ruanlong Industrial Automation Electrical Appliance Co., Ltd.

Valve core external structure diagram (04 ,06 ,10)

Oil pressure symbol

spring

shim Valve core

type

Electro-hydraulic directional valve

Pressure loss curve code

测试条件：压力：7MPa

比重：0.850 油黏度：20cST

油温：50°c 油：ISO-VG32

Test conditions: Pressure: 7MPa

Specific gravity: 0.850 . Oil viscosity: 20cST

Oil temperature: 50 ° C . Oil: ISO-VG32

spring return

pressure

loss

flow

DSG-04

Pressure loss - flow characteristics

DSG-04-3C2

DSG-04-3C3

DSG-04-3C4

DSG-04-3C40

DSG-04-3C5

DSG-04-3C6

DSG-04-3C7

DSG-04-3C9

DSG-04-3C10

DSG-04-3C11

DSG-04-3C12

DSG-04-2B2

DSG-04-2B3

DSG-04-2B4

DSG-04-2B40

DSG-04-2B7

DSG-04 -****系列（series）

Valve core skill table: ◎Three position four way type

Valve core skill table: ◎Two position four way type

Performance Curve

Valve core type model Valve core type model

Valve core type

Valve core type model

spring return spring return

max

flow

max

flow

max

flow

Installation dimensions comply with

ISO4401-AD-07-4-A standards,

Installation surface H-10 page (MC-04-1) Dimension

Installation direction

使用规格表以外之通路，请联系上海阮隆自动化电器有限公司

Please contact Shanghai Ruanlong Automation Electrical

Appliance Co., Ltd. for access beyond the specification sheet

Without spring type, the axis of the electromagnetic directional

valve should be installed horizontally, and other forms are

unrestricted

Ensure that the T-port is filled with oil and proceed

with piping in sequence.

To prevent the reverse movement of the electromagnetic directional valve when switching circuits using springless (non

mechanical positioning), please continuously energize the coil.

When using mechanical positioning to remove continuous coil power, the T-tube should be separately connected to the fuel

tank. If sharing the T pipeline, install a one-way valve in the T pipeline or extend the length of the T piping appropriately

When there is an internal oil leakage, the pilot pressure must be maintained at least 0.45MPa higher than the leakage pressure. If

the pressure of the leaking oil pipe is too high, please use an external leakage method to ensure the correct operation of the

directional valve.

C3, C5, C6, C60, please use external pilot pressure and external leakage oil type.

Avoid prolonged reversing under high pressure, as liquid

viscosity can cause poor movement

The switching of the electromagnetic coil must be powered on

at one end and powered off at the other end.

YOLON

S-type: stroke adjustment

control port X

Leakage port Y

Valve Instructions

maximum flow

Installation surface

Roughly machine the installation surface of the electro-hydraulic directional

valve to within 6.3S, with a flatness of within 0.01mm.

Pilot pressure and oil leakage

Springless type

T-port piping

Continuous pressurization

DSG-04

Manual push rod

2-PF1/2

Junction box

DSG-06-3C2

DSG-06-3C3

DSG-06-3C4

DSG-06-3C40

DSG-06-3C5

DSG-06-3C6

DSG-06-3C60

DSG-06-3C7

DSG-06-3C9

DSG-06-3C10

DSG-06-3C11

DSG-06-3C12

DSG-06-2B2

DSG-06-2B3

DSG-06-2B4

DSG-06-2B40

DSG-06-2B7

测试条件：压力：7MPa

比重：0.850 油黏度：20cST

油温：50°c 油：ISO-VG32

Test conditions: Pressure: 7MPa

Specific gravity: 0.850 . Oil viscosity: 20cST

Oil temperature: 50 ° C . Oil: ISO-VG32

DSG-06

Pressure loss curve code

Pressure loss - flow characteristics

Electro-hydraulic directional valve

DSG-06 -****系列（series）

Valve core skill table: ◎Three position four way type

Valve core skill table: ◎Two position four way type

Performance Curve

Valve core type model Valve core type model

Valve core type model

Valve core type

spring return

flow

pressure

loss

spring return

max

flow

max

flow

max

flow

DSG-06

DSG-10

Dimension

Manual push rod

2-PF1/2

Junction box

2-PF1/2

Junction box

Manual push rod

Installation dimensions comply with

ISO4401-AE-08-4-A standards,

Installation surface H-10 page (MC-04-2)

YOLON

S-type: stroke adjustment

Stroke adjustment screw

locking

nut

control port X

Leakage port Y

pilot lamp

DSG-10-3C2

DSG-10-3C3

DSG-10-3C4

DSG-10-3C40

DSG-10-3C5

DSG-10-3C6

DSG-10-3C60

DSG-10-3C7

DSG-10-3C9

DSG-10-3C10

DSG-10-3C11

DSG-10-3C12

DSG-10-2B2

DSG-10-2B3

DSG-10-2B4

DSG-10-2B40

DSG-10-2B7

DSG-10

测试条件：压力：7MPa

比重：0.850 油黏度：20cST

油温：50°c 油：ISO-VG32

Test conditions: Pressure: 7MPa

Specific gravity: 0.850 . Oil viscosity: 20cST

Oil temperature: 50 ° C . Oil: ISO-VG32

Pressure loss curve code

Pressure loss - flow characteristics

Electro-hydraulic directional valve

DSG-10-****系列（series）

Valve core skill table: ◎Three position four way type

Valve core skill table: ◎Two position four way type

Performance Curve

Valve core type model Valve core type model

Valve core type model

Valve core type

spring return spring return

spring return

max

flow

max

flow

max

flow

pressure

loss

flow

For electro-hydraulic directional valves with valve core functions of 3C3, 3C5, 3C6, and 3C60, please choose external control.

According to the following diagram, the control and leakage methods can be changed.

Performance Curve

Screw installation

When selecting internal leakage, it is necessary to ensure that the control pressure is 0.45MPa higher than the return

oil pressure. When the return oil pressure is relatively high, please choose external leakage.

For external leakage type.

Internal leakage type deletion.

For internal leakage type

External leakage type deletion

YOLON

For external leakage type.

Internal leakage type deletion

For external control type .

Internal control type deletion.

For external control type .

Internal control type deletion.

plug plug

DSG-02

DSG-03

DSG-04

DSG-06

DSG-10

Screw Size number Installation torque

For internal control type

Externally controlled deletion

(Anatomy) (Anatomy)

If external control is selected, the control pressure must be greater than 0.45MPa.

Side cover

O-ring

plug

Hexagon socket head cap screw

Name Name

Name Name Name

DSG-10 堵头: H3 是 PT1/4 有4个，H6 是 PT1/8 有5个，

DSG-10 O型圈：H1 是 G55 有4个，H2 是 P12,H5 是 P42,H8 是 P22

DSG-10 plug: H3 has 4 for PT1/4, and H6 has 5 for PT1/8,

DSG-10 O-ring: H1 is G55 with 4, H2 is P12, H5 is P42, and H8 is P22

Side cover

Dimension

DSG-04

DSG-06 、10

Partial anatomical

schematic diagram

Partial anatomical

schematic diagram

valve body

spool

grommet

spring

valve body

spool

grommet

spring

number number number

Dimension

DSG-02-3C4-DL-A2

DSG-06-3C2-DL-A2

screw

Side cover

spring

grommet

spool

plug

O-ring

Name

Number

valve body

DSG-06

S-type: stroke adjustment

Detailing Symbols

Pilot valve

valve

symbol

Limiting orifice

YOLON

Example of using flow limiting holes

YOLON YOLON

YOLON

Application of flow limiting holes:

In order to maintain the smoothness of the main valve

core during reciprocating switching and reduce vibration,

there are two options available between the electromagnetic directional valve (DSG-02) and the main valve body

(DSG-04/06/10).

1: Add the design of a stacked throttle valve (MTCV-02-X)

with an outlet throttle type to regulate the flow of A and B.

2: Adding a pressure limiting hole with a diameter of

approximately (0.8mm) on the P port of the main valve

body to regulate flow can improve vibration.

DSG-02

DSG-04 DSG-06/10 Type

Front view

Simple hydraulic

symbols

Detailed hydraulic

symbols

DSG-04/06/10

YOLON

D-64

4 WE -6 D /O E-W220/50-DL-40

YOLON YOLON

If there are special circumstances, please contact

Shanghai Ruanlong Industrial Hydraulic Technology

Department

H-09 H-09

YOLON

D-71

If there are special circumstances, please contact

Shanghai Ruanlong Industrial Hydraulic Technology

Department

YOLON YOLON

H-09 H-09

YOLON YOLON

YOLON

H-09 H-09

YOLON

YOLON YOLON

D-80

D DL L

Please contact Shanghai Ruanlong Industrial

Automation Electrical Appliance Co., Ltd

YOLON YOLON

Pilot control mode

O: Need to install a plug

X: No need to install plugs

Working principle

H-10 H-10

YOLON YOLON

YOLON

H-10 H-10

YOLON YOLON

YOLON

H-11 H-11

YOLON YOLON

YOLON

Liquid directional Below the reference table

valve

(Liquid directional valve)

(series)

Valve core skills

Model Rated flow

(L/min)

Max pressure

(MPa)

control pressure(MPa)

Min Max

T-port back

pressure(MPa)

commutating

frequency weight

请联系上海阮隆工业自动化电器有限公司技术部

characteristic

Model Description

Specification Table

Valve core table

Spring alignment Hydraulic bias

specifications

YOLON

Installation dimensions comply with

ISO4401-AD-07-4-A standards

Page H-10 (MC-04-01)

Installation dimensions comply with

ISO4401-AE-08-4-A standards

Page H-10 (MC-04-02)

Dimension

control port

YOLON

The skill of the valve is 2B * When the spring returns, the control port ''Y' should be directly

connected to the fuel tank

YOLON

control port

Installation dimensions comply with

ISO4401-AF-10-4-A standards

Page H-11 (MC-04-3)

O-ring mounting Dowel surface

Dimension

Installation surface aperture size table

Common O-ring Size Table

阮隆液压

YOLON

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