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Toshiba Japan UK36 multi-way valve, suitable for EC460B, EC480D, XE700, XE900, SDLG6460
UK36 Multi-way Valve (Toshiba/Nabtesco)
The UK36 is a load-sensing main control valve, commonly referred to as a 'distribution valve,' produced by Toshiba (now Nabtesco) of Japan. It is primarily used in 45–50-ton excavators and is a mainstream original equipment valve for large excavators.
### I. Core Parameters
- Models: UK36-412, UK36-420, UK36-606/617, etc.
- Suitable tonnage: 45–50 tons (e.g., EC460B, XE900)
- System: Load-sensing (LS), positive flow control
- Rated pressure: 34.3 MPa (343 bar)
- Rated flow: Approximately 360 L/min × 2
- Valve body material: Cast iron; Valve spool: Heat-treated steel
- Control method: Hydraulic pilot control (some with electric control options)
II.Compatible Excavator Models
- EC460B, EC480D
- XCMG: XE700, XE900
- Linge: SDLG6460
- Others: Some large excavators from Komatsu with optional retrofitting
III. Structure and Features
- Integrated design: Main overflow valve, safety valve, check valve, and boom hold valve are integrated into one unit.
- Load-sensing: Allocates flow as needed, resulting in energy savings and low heat generation.
- Precision valve spool: Honed process, minimal internal leakage, and long service life.
- High wear resistance: Valve body and spool undergo heat treatment, suitable for heavy-duty continuous operations.
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