Length: 550 mm
Specification: DN25;1SN-16;7MPa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 13

4390646

Installation route: 分配阀上~回转马达(回油)

Length: 550 mm
Specification: DN25;1SN-16;7MPa
Left fitting: 90° elbow, American female thread, flat-face sealOriginal Chinese: 90°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. 32

9167869

Installation route: 分配阀右~过渡阀块(分配阀)

Length: 900 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. 25

4334909

Installation route: 分配阀左~过渡阀块(分配阀)

Length: 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. 50A

4365595

Installation route: 分配阀上~分配阀下

Length: 1,000 mm
Specification: DN10;1SN-6;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

4386285

Installation route: 分配阀左下~回转马达

Length: 1,000 mm
Specification: DN19;4SP-12;34.5Mpa
Left fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 50

9168206

Installation route: 分配阀上~分配阀下

Length: 1,000 mm
Specification: DN10;1SN-6;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. 40

4355424

Installation route: 分配阀上~液压油箱

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. 32A

4350166

Installation route: 分配阀右~过渡阀块(分配阀)

Length: 900 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. 30

9163853

Installation route: 分配阀上~三通(分配阀)

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. 5

4408679

Installation route: 分配阀左上~回转马达

Length: 800 mm
Specification: DN19;4SH-12;42MPa
Left fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型
Right fitting: 90° light-series flangeOriginal Chinese: 90°法兰-轻型

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Diagram Pipe No. 1

4342252

Installation route: 分配阀后~电磁阀

Length: 1,050 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. 30A

4355424

Installation route: 分配阀上~三通(分配阀)

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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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 EX370-5 Control Valve?

There are 4 published records. 4 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi EX370-5 Control Valve?

Based on published records with valid lengths, the range is 750–1,600 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi EX370-5 Control Valve?

The most frequent raw specifications in the current published records are: DN6;2层纤维-4;14MPa (2 records), DN10;1SN-06;18MPa (1 records), DN10;1SN-6;7Mpa (1 records). Verify the specification together with length, pressure, and fitting details.

How can I identify the left and right hose fittings for Hitachi EX370-5 Control Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4221221: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4386675: left 美制内螺纹37°内锥; right 90°美制内螺纹37°内锥; 4360873: 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 EX370-5 Control Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 16 (4221221), Pipe No. 15 (4386675), Pipe No. 43 (4360873), Pipe No. 31 (4319152). Open a record to compare its installation position with the linked manual page.