Hydraulic line repair data

Hitachi ZX270LC Attachments – Lock Valve Hose List

Coverage details

Hoses: 2 records
Full specifications: 2 records
Systems: 1 systems
Length range: 4,550–6,100 mm

Current system

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Hose repair details

Hose Length and Fitting List

Diagram Pipe No. 14A

4618388

Installation route: 小臂油缸锁止阀~液压油箱

Length: 4,550 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. 33A

4651937

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 6,100 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. 14A

4449883

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

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. 38A

4614233

Installation route: 左大臂油缸锁止阀~液压油箱

Length: 3,300 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. 33

9261848

Installation route: 小臂油缸锁止阀~接线板(锁止阀)

Length: 6,100 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. 38

9234934

Installation route: 左大臂油缸锁止阀~液压油箱

Length: 3,300 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. 13A

4618387

Installation route: 小臂油缸锁止阀~过渡阀块(控制阀(分节油缸))

Length: 5,500 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. 14

9198370

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

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. 8

4436264

Installation route: 中转接头~分配阀上

Length: 450 mm
Specification: DN10;1SN-6;7Mpa
Left fitting: 45°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. 37

4633568

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,300 mm
Specification: DN6;2SN-4;34.5MPa
Left fitting: 90°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. 7A

4453822

Installation route: 小臂油缸锁止阀~液压油箱

Length: 8,700 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. 14

9237992

Installation route: 小臂油缸锁止阀~液压油箱

Length: 4,550 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. 39

9201346

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,250 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. 39A

4464524

Installation route: Left boom-cylinder lock valve → right boom-cylinder lock valveOriginal Chinese: 左大臂油缸锁止阀~右大臂油缸锁止阀

Length: 1,250 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. 7

9200969

Installation route: 小臂油缸锁止阀~液压油箱

Length: 8,700 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. 13

9237993

Installation route: 小臂油缸锁止阀~过渡阀块(控制阀(分节油缸))

Length: 5,500 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

View full repair specifications

Diagram Pipe No. 20

4436254

Installation route: 中转接头~分配阀上

Length: 420 mm
Specification: DN10;1SN-06;7Mpa
Left fitting: 90°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 ZX270LC Attachments – Lock Valve?

There are 2 published records. 2 include a length, both end fittings, and a part number or diagram pipe number.

What is the hose length range for Hitachi ZX270LC Attachments – Lock Valve?

Based on published records with valid lengths, the range is 4,550–6,100 mm. Open the individual record to verify its installation position and both end fittings before fabrication.

Which hose specifications are common for Hitachi ZX270LC Attachments – Lock Valve?

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

How can I identify the left and right hose fittings for Hitachi ZX270LC Attachments – Lock Valve?

Each record keeps the left and right fitting descriptions separate. Current examples: 4618388: left 美制内螺纹37°内锥; right 美制内螺纹37°内锥; 4651937: 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 ZX270LC Attachments – Lock Valve hose by diagram pipe number?

Yes. Current examples with a diagram pipe number are: Pipe No. 14A (4618388), Pipe No. 33A (4651937). Open a record to compare its installation position with the linked manual page.