Individual hose record

4343422 Hose Repair Specifications

Excavator · Hitachi · EX550LC · Control Valve

Finished length1,350 mm

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Installation diagram — Pipe No. 6

Locate Pipe No. 6 in the diagram, then confirm part number 4343422 before removing the hose.

Hitachi EX550LC installation diagram showing hydraulic hose 4343422 at Pipe No. 6
Hitachi EX550LCPart 4343422 · Pipe No. 6Open full-size diagram

Repair specifications

Part number
4343422
Diagram pipe number
6
Installation route
分配阀左~回转马达(右)
Hose specification
DN19;4SH-12;42MPa
Finished length
1,350 mm
Working pressure
42 MPa
Left fitting
American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting
90° light-series flangeOriginal Chinese: 90°法兰-轻型
Quantity
1

Same system

Related Hoses

Diagram Pipe No. 27

4367001

Installation route: 分配阀右~液压油箱

Length
1,550 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 6

4343390

Installation route: 分配阀上~电磁阀(液压油箱)

Length
1,500 mm
Specification
DN6;2层纤维-4;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
45°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 44

4366735

Installation route: 分配阀下~过渡阀块(分配阀)

Length
500 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 17

4366995

Installation route: 分配阀上~电磁阀(液压油箱)

Length
1,200 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 19

4343414

Installation route: 分配阀上左~进回油阀

Length
4,850 mm
Specification
DN10;1层纤维-6;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
90°美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 28

4367002

Installation route: 分配阀左~液压油箱

Length
2,000 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 44

4379282

Installation route: 分配阀下~过渡阀块(分配阀)

Length
750 mm
Specification
DN10;1SN-6;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

Diagram Pipe No. 44

4317660

Installation route: 分配阀下~过渡阀块(分配阀)

Length
500 mm
Specification
DN10;1层纤维-6;14MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
View full repair specifications

For reference only. Confirm the actual hose before fabrication.

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