Excavator Main Control Valve

TRM15A Series Flow Sharing Sectional Valve

 Outstanding multi‑function composite movement performance with LUDV flow‑sharing logic.

 High‑pressure rating: 320 bar (pump side), 350 bar (actuator side); max inlet flow 120 L/min.

 Heavy‑duty IP69K electric components for outdoor harsh working conditions.

 Highly customizable: sections, control mode, load‑holding and relief settings configurable for fixed‑displacement & load‑sensing pump systems.

Features

TRM15A Series Flow‑Sharing Sectional Valve

TRM15A is an electronically controlled LUDV sectional valve derived from TRM15 platform, designed for small‑medium size construction machinery.

Sandwich modular design, 1‑10 working sections flexible combination.

Load‑pressure compensation, load‑independent flow distribution for smooth simultaneous multi‑actuator operation.

Multiple control options: hydraulic pilot, on‑off solenoid, electro‑proportional with manual override. IP69K protection, Deutsch DT04‑2P connector, 12VDC / 24VDC available.

Integrated LS relief valve, secondary overload‑refill valve; boom & arm load‑holding check valve optional for anti‑dropping safety.

Optimized internal flow path for low pressure drop and lower fuel consumption. High repeat accuracy, small hysteresis, excellent fine‑motion performance.

Wide operating temperature:‑20℃ ~ +90℃, compatible with anti‑wear hydraulic oil.

control valve excavator
control valve excavator

Technical Information

TRM15A Series Flow Sharing Sectional Valve

Technical data

ItemParameter
SeriesTRM15A
Working sections number≤ 10
Size12
Max. flow rate(L/min)P port: 120 A/B port: 100
Max. working pressure(bar)P port: 320 A/B port: 350
Pilot pressure(bar)≤ 35
Operating temperature range(℃)−20 ... 90
Working mediumLow freezing point anti-wear hydraulic lubricating oil
Viscosity range(mm²/s)2.8 ... 380

Electric data

ItemSwitch pilot valve Proportional pilot valve 
Voltage12VDC24VDC12VDC24VDC
Resistance(below 20℃)8.15Ω ±5%32.5Ω ±5%4.72Ω ±5%20.8Ω ±5%
Current——0~1500mA0~750mA
PlugDeutsch DT04–2PDeutsch DT04–2PDeutsch DT04–2PDeutsch DT04–2P
Protection classIP69kIP69kIP69kIP69k

Port connection size

TRM15AThreadPort type
P inlet portG3/4BSP(ISO1179–1, ISO228–1)
T outlet portG3/4BSP(ISO1179–1, ISO228–1)
A/B portG1/2BSP(ISO1179–1, ISO228–1)
LS, M, a, b portG1/4BSP(ISO1179–1, ISO228–1)

Applications

Electronically‑controlled mini & midi excavators, loaders, rough‑terrain forklifts, drilling rigs, truck‑mounted cranes and other mobile construction machinery.

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Model Series

Discover our full range of hydraulic directional control valves. 20 core models, multiple series & customizable options. See the model matrix below to explore all available multi-way valve types.

control valve excavator.webp

 

Company Profile

Taifeng maintains a dedicated R&D technology center responsible for new product development, process standardization, and technical innovation. Our research spans both foundational hydraulic science—anticipating industry trends—and applied engineering driven by specific customer requirements. With 43 invention patents and ongoing filings in areas such as continuous variable transmission control, modular oil circuits, and specialized production hydraulics, our engineering team is equipped to modify standard products or develop new configurations to meet your application’s unique demands. Share your specifications, and Taifeng will engineer the solution.

control valve excavator.webp
control valve excavator.webp
control valve excavator.webp

Online Consultation

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