Hydraulic line repair data

Hitachi EX400LC Control Valve Hose List

Coverage details

Hoses: 14 records
Full specifications: 14 records
Systems: 1 systems
Length range: 660–2,950 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 86

4236789

Installation route: 分配阀上~过渡阀块(分配阀)

Length: 1,000 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. 31

4248685

Installation route: 分配阀下~接线板(中转接头)

Length: 2,000 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 47

4217377

Installation route: 分配阀上左~液压油箱

Length: 2,950 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. 53

4207341

Installation route: 分配阀右~回转马达(右)

Length: 900 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. 84

4236792

Installation route: 分配阀右~过渡阀块(分配阀)

Length: 1,040 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. 17

4217369

Installation route: 分配阀下~接线板(中转接头)

Length: 2,050 mm
Specification: DN10;1层纤维-6;14MPa
Left fitting: 90°美制内螺纹37°内锥
Right fitting: 美制外螺纹37°外锥

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Diagram Pipe No. 24

4248689

Installation route: 分配阀上右~过渡阀块(分配阀)

Length: 2,000 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. 86

4219349

Installation route: 分配阀上~过渡阀块(分配阀)

Length: 800 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

4217376

Installation route: 分配阀上左~液压油箱

Length: 2,800 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. 37

4209778

Installation route: 分配阀左~过渡阀块(隔板)

Length: 1,100 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. 49

4222081

Installation route: 分配阀上左~液压油箱

Length: 2,100 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. 84

4221220

Installation route: 分配阀右~过渡阀块(分配阀)

Length: 1,000 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. 48

4223552

Installation route: 分配阀前~电磁阀(隔板)

Length: 1,600 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. 85

4236791

Installation route: 分配阀下~过渡阀块(分配阀)

Length: 660 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. 6

4249311

Installation route: 分配阀~控制阀(装载斗)

Length: 1,350 mm
Specification: DN25;4层纤维-16;3.5MPa
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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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 Control Valve?

There are 14 published records. 14 include a length, both end fittings, and a part number or diagram pipe number.

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

Based on published records with valid lengths, the range is 660–2,950 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX400LC Control Valve?

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

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

Each record keeps the left and right fitting descriptions separate. Current examples: 4236789: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4248685: left 美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4217377: left 美制内螺纹37°内锥; right 90°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 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 86 (4236789), Pipe No. 31 (4248685), Pipe No. 47 (4217377), Pipe No. 53 (4207341). Open a record to compare its installation position with the linked manual page.