Length: 750 mm
Specification: DN19;4层纤维-12;3.5MPa
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. 79

9278551

Installation route: 中转接头~流速切换阀

Length: 2,700 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. 55

4668579

Installation route: 液压泵~先导滤芯

Length: 480 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 80A

4668894

Installation route: 分配阀后~流速切换阀

Length: 3,700 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. 59

4664213

Installation route: 分配阀上~过渡阀块(流速切换)

Length: 1,100 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. 81A

4664206

Installation route: 中转接头~电磁阀(流速切换)

Length: 2,550 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 29

9275822

Installation route: 控制阀(辅助)~回油铁管(分配阀)

Length: 1,150 mm
Specification: DN19;1SN-12;7MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 77A

4668893

Installation route: 分配阀前~流速切换阀

Length: 3,450 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. 78A

4664211

Installation route: 中转接头~流速切换阀

Length: 3,050 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. 78

9278538

Installation route: 中转接头~流速切换阀

Length: 3,050 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. 68

4664207

Installation route: 电磁阀~过渡阀块(流速切换)

Length: 1,750 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. 80

9278552

Installation route: 分配阀后~流速切换阀

Length: 3,700 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. 82A

4664205

Installation route: 分配阀下~电磁阀(流速切换)

Length: 2,850 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. 18A

4469452

Installation route: 先导泵~控制阀(辅助)

Length: 2,500 mm
Specification: DN12;4SP-8;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 29A

4361976

Installation route: 控制阀(辅助)~回油铁管(分配阀)

Length: 1,150 mm
Specification: DN19;1SN-12;7MPa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封

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Diagram Pipe No. 7

4442347

Installation route: 电磁阀(流速切换)~

Length: 650 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 90°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. 81

9278561

Installation route: 中转接头~电磁阀(流速切换)

Length: 2,550 mm
Specification: DN6;1SN-4;7Mpa
Left fitting: 美制内螺纹37°内锥
Right fitting: 45°美制内螺纹37°内锥

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Diagram Pipe No. 77

9278550

Installation route: 分配阀前~流速切换阀

Length: 3,450 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. 18

9275823

Installation route: 先导泵~控制阀(辅助)

Length: 2,500 mm
Specification: DN12;4SP-8;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 美制内螺纹平面密封
Right fitting: 45°美制内螺纹平面密封

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Diagram Pipe No. 82

9278541

Installation route: 分配阀下~电磁阀(流速切换)

Length: 2,850 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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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 ZX225US-3 Attachments?

There are 5 published records. 5 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX225US-3 Attachments?

Based on published records with valid lengths, the range is 240–2,700 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX225US-3 Attachments?

The most frequent raw specifications in the current published records are: DN6;1SN-4;7Mpa (3 records), DN6;1SN-04;22.5MPa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX225US-3 Attachments?

Each record keeps the left and right fitting descriptions separate. Current examples: 4668885: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4442331: left 美制内螺纹74°内锥; right 美制内螺纹74°内锥; 4470393: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi ZX225US-3 Attachments hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 79A (4668885), Pipe No. 41 (4442331), Pipe No. 18 (4470393), Pipe No. 83 (4671343). Open a record to compare its installation position with the linked manual page.