Description
TRM25（M7-22）Series hydraulic valve with monoblock and sandwich plate combination structure. Features load pressure compensation, hydraulic pilot and electric proportional control, adjustable priority sequence, and LS pressure relief. Designed for precise, stable, and energy-efficient control in high-pressure, high-flow hydraulic systems.
Key Features
Mono block and sandwich combination structure, flexible combination on demand
Load pressure compensation, load pressure independent flow distribution
Hydraulic pilot control, electric proportional (or switch) control
The operating priority sequence of each plate could be adjusted
Limit the maximum pressure of system through LS pressure relief valve
Limit the overload of actuator system and set the secondary pressure through secondary
pressure relief valve
Low pressure drop and less fuel consumption.
Accurate control, stable proportional control, and comfortable maneuverability
High repetition accuracy, small hysteresis
Fields of Application
Suitable for cranes, rotary drilling machinery, and various other construction machines
Product Specifications
TRM25（M7-22）Series Flow Sharing Mobile Control Block Technical data
| Item | Parameter |
|---|---|
| Product series | TRM25 |
| Combination | 3 sections mono block and one single section combination |
| Size | 22 |
| Max. Flow（L/min） | P port: 420 A/B port: 400（J function），350（E function） |
| Max. Pressure（bar） | P port: 380 A/B port: 420 T Port: 30 |
| Pilot pressure（bar） | ≤ 35 |
| Temperature range（℃） | −20 ... +90 |
| Working medium | Mineral oils（HL, HLP）according to DIN51 524 |
| Viscosity range（mm²/s） | 2.8 ... 380 |
| Admissible degree of contamination | Max. admissible degree of contamination: class 9 NAS1638 |
| Weight（kg）— 3 sections mono block | 64 |
| Weight（kg）— Single section directional block | 19.5 |
| Weight（kg）— Front and back cover | 3.7 |
| Weight（kg）— Double pumps convened valve block | 20 |
| Port — P | SAE 1 1/4 in 6000PSI |
| Port — T, K | SAE 1 1/4 in 3000PSI |
| Port — A, B | SAE 1 in 6000PSI |
| Port — a, b, LS, MP, MLS | G1/4 |
Electrical data
| Item | On-off pilot valve | Proportional pilot valve | ||
|---|---|---|---|---|
| Voltage | 12VDC | 24VDC | 12VDC | 24VDC |
| Electric resistance（below 20℃） | 8.15Ω ±5% | 32.5Ω ±5% | 4.72Ω ±5% | 20.8Ω ±5% |
| Control current | — | — | 0–1500mA | 0–750mA |
| Plug | Deutsch DT04–2P | Deutsch DT04–2P | Deutsch DT04–2P | Deutsch DT04–2P |
| Protection class | IP69k | IP69k | IP69k | IP69k |
Product series
The company now boasts nearly 20 categories of mature products including the TET, TRM, THD, TFM, TXD series, among which the TFM100 load-sensing pressure-compensated multi-way directional control valve has won the First Prize of the "Science and Technology Award" of Shandong Machinery Industry.
