Hydraulic line repair data

Hitachi EX400LC-3 Control Valve Hose List

Hitachi EX400LC-3 Control Valve currently has 20 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 20 records
Full specifications: 20 records
Systems: 1 systems
Length range: 450–3,150 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 1

4308639

Installation route: 分配阀下右~过渡阀块(手柄)

Length: 2,100 mm
Specification: DN10;1层纤维-6;14MPa
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. 54

4366742

Installation route: 分配阀下~分配阀上左

Length: 1,050 mm
Specification: DN10;1SN-6;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. 31

4366780

Installation route: 分配阀下左~过渡阀块(手柄)

Length: 1,900 mm
Specification: DN10;1SN-6;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. 49

4342269

Installation route: 分配阀右~液压油箱

Length: 2,250 mm
Specification: DN6;2层纤维-4;14MPa
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. 46

4308648

Installation route: 分配阀上左~分配阀上右

Length: 450 mm
Specification: DN10;1层纤维-6;14MPa
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. 54

4317684

Installation route: 分配阀下~分配阀上左

Length: 1,050 mm
Specification: DN10;1层纤维-6;14MPa
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. 51

4317671

Installation route: 分配阀上左~液压油箱

Length: 650 mm
Specification: DN6;2层纤维-4;14MPa
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. 56

4366747

Installation route: 分配阀右~过渡阀块(分配阀)

Length: 700 mm
Specification: DN10;1SN-6;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. 44

4366735

Installation route: 分配阀下~过渡阀块(分配阀)

Length: 500 mm
Specification: DN10;1SN-6;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. 57

4343193

Installation route: 分配阀上左~过渡阀块(分配阀)

Length: 1,100 mm
Specification: DN10;1层纤维-6;14MPa
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. 31

4317678

Installation route: 分配阀下左~过渡阀块(手柄)

Length: 1,900 mm
Specification: DN10;1层纤维-6;14MPa
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. 62

4366771

Installation route: 分配阀左~液压油箱

Length: 750 mm
Specification: DN10;1SN-6;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. 45

4308647

Installation route: 分配阀下~分配阀上右

Length: 1,000 mm
Specification: DN10;1层纤维-6;14MPa
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. 44

4317660

Installation route: 分配阀下~过渡阀块(分配阀)

Length: 500 mm
Specification: DN10;1层纤维-6;14MPa
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. 69

4197700

Installation route: 分配阀左~回转马达(左)

Length: 950 mm
Specification: DN19;4SP-12;38Mpa
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. 14

4317679

Installation route: 分配阀上右~过渡阀块(手柄)

Length: 2,750 mm
Specification: DN10;1层纤维-6;14MPa
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. 68

4188905

Installation route: 分配阀左~回转马达(左)

Length: 850 mm
Specification: DN19;4SP-12;38Mpa
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. 30

4345840

Installation route: 分配阀上左~过渡阀块(手柄)

Length: 3,150 mm
Specification: DN10;1层纤维-6;14MPa
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. 57

4366736

Installation route: 分配阀上左~过渡阀块(分配阀)

Length: 1,100 mm
Specification: DN10;1SN-6;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. 1

4366781

Installation route: 分配阀下右~过渡阀块(手柄)

Length: 2,100 mm
Specification: DN10;1SN-6;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 EX400LC-3 Control Valve?

There are 20 published records. 20 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX400LC-3 Control Valve?

Based on published records with valid lengths, the range is 450–3,150 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX400LC-3 Control Valve?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (9 records), DN10;1SN-6;7Mpa (7 records), DN19;4SP-12;38Mpa (2 records), DN6;2层纤维-4;14MPa (2 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX400LC-3 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4308639: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4366742: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4366780: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥. Open the exact part-number or pipe-number record; do not swap ends based on appearance alone.

Can I locate a Hitachi EX400LC-3 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 1 (4308639), Pipe No. 54 (4366742), Pipe No. 31 (4366780), Pipe No. 49 (4342269). Open a record to compare its installation position with the linked manual page.