Individual hose record

4451228 Hose Repair Specifications

Excavator · Hitachi · ZX800 · Control Valve

Finished length2,350 mm

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Installation diagram — Pipe No. 20

Locate Pipe No. 20 in the diagram, then confirm part number 4451228 before removing the hose.

Hitachi ZX800 installation diagram showing hydraulic hose 4451228 at Pipe No. 20
Hitachi ZX800Part 4451228 · Pipe No. 20Open full-size diagram

Repair specifications

Part number
4451228
Diagram pipe number
20
Installation route
分配阀右~液压油箱
Hose specification
DN6;1SN-4;7Mpa
Finished length
2,350 mm
Working pressure
7 MPa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
Quantity
1

Same system

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Diagram Pipe No. 21

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Installation route: 分配阀上左~分配阀前

Length
780 mm
Specification
DN6;1SN-04;22.5MPa
Left fitting
美制内螺纹74°内锥
Right fitting
90°美制内螺纹74°内锥
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Diagram Pipe No. 29

4451816

Installation route: 分配阀下~过渡阀块(分配阀)

Length
550 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
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Diagram Pipe No. 21

4451229

Installation route: 分配阀上右~电磁阀(液压油箱)

Length
2,650 mm
Specification
DN6;1SN-4;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

4451225

Installation route: 分配阀上左~液压油箱

Length
1,500 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
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Diagram Pipe No. 15

4449629

Installation route: 分配阀下左~分配阀下右

Length
620 mm
Specification
DN10;1SN-6;18MPa
Left fitting
美制内螺纹74°内锥双六角
Right fitting
90°美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 16

4449630

Installation route: 分配阀上左~分配阀下左

Length
1,370 mm
Specification
DN10;1SN-6;18MPa
Left fitting
美制内螺纹74°内锥双六角
Right fitting
90°美制内螺纹74°内锥
View full repair specifications

Diagram Pipe No. 31

4451818

Installation route: 分配阀下~过渡阀块(分配阀)

Length
420 mm
Specification
DN6;1SN-4;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. 30

4451817

Installation route: 分配阀下~过渡阀块(分配阀)

Length
420 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
美制内螺纹37°内锥
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