Hydraulic line repair data

Hitachi ZX120-3 Control Valve Hose List

Coverage details

Hoses: 2 records
Full specifications: 2 records
Systems: 1 systems
Length range: 520–900 mm

Current system

Find a hose in this system

Use the number on the diagram, a part number, connection point, length, hose size, or fitting.

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 11

4671727

Installation route: 分配阀右~分配阀右

Length: 520 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

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Diagram Pipe No. 6

4374023

Installation route: 分配阀上左~回转马达

Length: 900 mm
Specification: DN19;2SN-12;21.5MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°美制内螺纹平面密封

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Diagram Pipe No. 19

9273339

Installation route: 分配阀下~液压油箱

Length: 750 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. 22A

4445716

Installation route: 分配阀右~液压油箱

Length: 1,250 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 90°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. 5

4333699

Installation route: 分配阀左下~回转马达

Length: 700 mm
Specification: DN12;4SP-8;34.5Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: 45°法兰-轻型

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Diagram Pipe No. 38

4693823

Installation route: 分配阀左~电磁阀

Length: 350 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

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Diagram Pipe No. 22

9195589

Installation route: 分配阀右~液压油箱

Length: 1,250 mm
Specification: DN6;1SN-04;22.5MPa
Left fitting: 90°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. 1

4333700

Installation route: 分配阀左上~回转马达

Length: 750 mm
Specification: DN12;4SP-8;34.5Mpa
Left fitting: Light-series flangeOriginal Chinese: 法兰-轻型
Right fitting: 45°法兰-轻型

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Diagram Pipe No. 19A

4693173

Installation route: 分配阀下~液压油箱

Length: 750 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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Based on current published data

Common Repair Questions

Questions appear only when a published record or linked PDF page provides the answer.

How many hoses are currently listed for Hitachi ZX120-3 Control Valve?

There are 2 published records. 2 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX120-3 Control Valve?

Based on published records with valid lengths, the range is 520–900 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX120-3 Control Valve?

The most frequent raw specifications in the current published records are: DN19;2SN-12;21.5MPa (1 records), DN6;1SN-4;7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX120-3 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4671727: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4374023: left American female thread, flat-face seal; right 90° elbow, American female thread, flat-face seal. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX120-3 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 11 (4671727), Pipe No. 6 (4374023). Open a record to compare its installation position with the linked manual page.