Hydraulic line repair data

Hitachi ZX650LC-3 Control Valve Hose List

Hitachi ZX650LC-3 Control Valve currently has 17 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 17 records
Full specifications: 17 records
Systems: 1 systems
Length range: 300–1,850 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 25

4470393

Installation route: 分配阀左~分配阀后

Length: 350 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. 59

4442429

Installation route: 分配阀下左~分配阀下右

Length: 450 mm
Specification: DN10;1SN-06;18MPa
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. 32

4634385

Installation route: 分配阀后~电磁阀

Length: 750 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. 64

4649135

Installation route: 分配阀左~电磁阀

Length: 850 mm
Specification: DN10;1SN-06;18MPa
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. 31

4634384

Installation route: 分配阀后~电磁阀

Length: 800 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. 21

4644344

Installation route: 分配阀上左~液压油箱

Length: 950 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. 4

4652698

Installation route: 分配阀下~分配阀左

Length: 400 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. 30

4634383

Installation route: 分配阀后~电磁阀

Length: 750 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. 2

4634388

Installation route: 分配阀下~电磁阀

Length: 1,750 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. 48

4642214

Installation route: 分配阀上~分配阀下

Length: 1,000 mm
Specification: DN10;1SN-06;18MPa
Left fitting: 美制内螺纹74°内锥
Right fitting: 45°美制内螺纹74°内锥

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Diagram Pipe No. 64

4627868

Installation route: 分配阀左~分配阀前

Length: 300 mm
Specification: DN6;1SN-04;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. 3

4634390

Installation route: 分配阀右~电磁阀

Length: 1,850 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. 22

4638242

Installation route: 分配阀上左~分配阀前

Length: 800 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. 35

4634915

Installation route: 分配阀上~液压油箱

Length: 1,300 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. 63

4634363

Installation route: 分配阀左~电磁阀

Length: 650 mm
Specification: DN10;1SN-6;18MPa
Left fitting: 美制内螺纹74°内锥双六角
Right fitting: 美制内螺纹74°内锥双六角

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Diagram Pipe No. 16

4331603

Installation route: 分配阀左~回转马达(右)

Length: 1,500 mm
Specification: DN19;4SP-12;35Mpa
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

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Diagram Pipe No. 17

4436269

Installation route: 分配阀上左~分配阀上右

Length: 350 mm
Specification: DN10;1SN-06;18MPa
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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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 ZX650LC-3 Control Valve?

There are 17 published records. 17 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX650LC-3 Control Valve?

Based on published records with valid lengths, the range is 300–1,850 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX650LC-3 Control Valve?

The most frequent raw specifications in the current published records are: DN6;1SN-04;22.5MPa (8 records), DN10;1SN-06;18MPa (4 records), DN6;1SN-4;7Mpa (2 records), DN10;1SN-6;18MPa (1 records), DN19;4SP-12;35Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi ZX650LC-3 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4470393: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4442429: left 美制内螺纹74°内锥; right 90°美制内螺纹74°内锥; 4634385: 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 ZX650LC-3 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 25 (4470393), Pipe No. 59 (4442429), Pipe No. 32 (4634385), Pipe No. 64 (4649135). Open a record to compare its installation position with the linked manual page.