Individual hose record

4437412 Hose Repair Specifications

Excavator · Hitachi · ZX800 · Control Valve

Finished length780 mm

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Installation diagram — Pipe No. 21

Locate Pipe No. 21 in the diagram, then confirm part number 4437412 before removing the hose.

Hitachi ZX800 installation diagram showing hydraulic hose 4437412 at Pipe No. 21
Hitachi ZX800Part 4437412 · Pipe No. 21Open full-size diagram

Repair specifications

Part number
4437412
Diagram pipe number
21
Installation route
分配阀上左~分配阀前
Hose specification
DN6;1SN-04;22.5MPa
Finished length
780 mm
Working pressure
22.5 MPa
Left fitting
美制内螺纹74°内锥
Right fitting
90°美制内螺纹74°内锥
Quantity
1

Same system

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Specification
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Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 21

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Installation route: 分配阀上右~电磁阀(液压油箱)

Length
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Specification
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Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 17

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Installation route: 分配阀上左~液压油箱

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Specification
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Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 15

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Installation route: 分配阀下左~分配阀下右

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Specification
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Left fitting
美制内螺纹74°内锥双六角
Right fitting
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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
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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
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Diagram Pipe No. 20

4451228

Installation route: 分配阀右~液压油箱

Length
2,350 mm
Specification
DN6;1SN-4;7Mpa
Left fitting
美制内螺纹37°内锥
Right fitting
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Diagram Pipe No. 30

4451817

Installation route: 分配阀下~过渡阀块(分配阀)

Length
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Specification
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Left fitting
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Right fitting
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