Length: 3,600 mm
Specification: DN12;2SN-8;20.5MPa
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. 32

4322515

Installation route: 右大臂油缸锁止阀~右过渡阀块(锁止阀)

Length: 830 mm
Specification: DN6;2SN-4;34.5MPa
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. 62

4357951

Installation route: 小臂油缸锁止阀~过渡阀块(锁止阀)

Length: 2,100 mm
Specification: DN19;4SP-12;34.5Mpa
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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Diagram Pipe No. 37

4356520

Installation route: 前小臂油缸锁止阀~后小臂油缸锁止阀

Length: 270 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. 33

4322516

Installation route: 左大臂油缸锁止阀~右过渡阀块(锁止阀)

Length: 940 mm
Specification: DN6;2SN-04;34.5MPa
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. 61

4357950

Installation route: 小臂油缸锁止阀~过渡阀块(锁止阀)

Length: 1,850 mm
Specification: DN19;4SP-12;34.5Mpa
Left fitting: American female thread, flat-face sealOriginal Chinese: 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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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 Attachments – Lock 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 EX400LC-3 Attachments – Lock Valve?

Based on published records with valid lengths, the range is 850–3,600 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 Attachments – Lock Valve?

The most frequent raw specifications in the current published records are: DN10;1SN-06;7Mpa (1 records), DN12;2SN-8;20.5MPa (1 records), DN12;4SP-8;34.5Mpa (1 records), DN32;2SN-20;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 EX400LC-3 Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4356518: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4362977: left 英制内螺纹30°外锥; right 英制内螺纹30°外锥; 4322514: 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 Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 34 (4356518), Pipe No. 1 (4362977), Pipe No. 37 (4322514), Pipe No. 60 (4357900). Open a record to compare its installation position with the linked manual page.