Hydraulic line repair data

Hitachi EX300LC-3 Control Valve Hose List

Hitachi EX300LC-3 Control Valve currently has 10 published hose records for checking length, hose specification, left and right fittings, part number, and diagram pipe number.

Hoses: 10 records
Full specifications: 10 records
Systems: 1 systems
Length range: 520–2,450 mm

Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 31

4213446

Installation route: 分配阀上~回转马达

Length: 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. 35

4313710

Installation route: 分配阀下~接线板(中转接头)

Length: 1,970 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. 29

4316564

Installation route: 分配阀上~回转马达

Length: 600 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. 78

4319372

Installation route: 分配阀上~液压油箱

Length: 520 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. 38

4204190

Installation route: 分配阀右~分配阀右

Length: 550 mm
Specification: DN10;2SN-6;27.5MPa
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. 32

4313708

Installation route: 分配阀下~接线板(中转接头)

Length: 2,130 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. 33

4313709

Installation route: 分配阀上~接线板(中转接头)

Length: 2,450 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. 36

4313711

Installation route: 分配阀上~接线板(中转接头)

Length: 2,320 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. 34

4313712

Installation route: 分配阀上~接线板(中转接头)

Length: 2,300 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. 80

4213823

Installation route: 分配阀上~液压油箱

Length: 620 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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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 EX300LC-3 Control Valve?

There are 10 published records. 10 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX300LC-3 Control Valve?

Based on published records with valid lengths, the range is 520–2,450 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX300LC-3 Control Valve?

The most frequent raw specifications in the current published records are: DN10;1层纤维-6;14MPa (6 records), DN6;2层纤维-4;14MPa (3 records), DN10;2SN-6;27.5MPa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX300LC-3 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4213446: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4313710: left 90°美制内螺纹37°内锥; right 美制外螺纹37°外锥; 4316564: 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 EX300LC-3 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 31 (4213446), Pipe No. 35 (4313710), Pipe No. 29 (4316564), Pipe No. 78 (4319372). Open a record to compare its installation position with the linked manual page.