2FRM10-2X/16L Rexroth 2-Way Flow Control Valve
| Model Number | 2FRM10-31/25LB, 2FRM5-3X/0.20, 2FRM10-2X/16L |
|---|
Product Description
Product Overview
The 2FRM, 2FRH, 2FRW, 2FRM5, 2FRM6, 2FRM10-2X/16L, 2FRM5-3X/0.20 and 2FRM10-31/25LB belong to the Bosch Rexroth 2FRM series of 2-way flow control valves. These valves feature integrated pressure compensation to maintain a constant set flow despite load pressure variations, with excellent temperature and pressure stability. Available with mechanical (2FRM), hydraulic (2FRH) or electro-hydraulic (2FRW) actuation, they use subplate mounting with standard ISO interfaces. Fully interchangeable with original Rexroth 2FRM units, every valve undergoes 100% simulated operating-condition testing for precise flow control in demanding hydraulic systems.
Technical Specifications
- Model: 2FRM10-2X/16L / 2FRM5-3X/0.20 / 2FRM10-31/25LB etc. (2FRM / 2FRH / 2FRW series)
- Type: 2-way flow control valve with pressure compensator
- Nominal size: NG5 / NG6 / NG10 / NG16
- Maximum operating pressure (port A): 315 bar
- Maximum flow: NG10 up to 10–50 L/min; NG16 up to 60–160 L/min (depending on flow rating)
- Minimum pressure differential: NG10 approx. 3–7 bar; NG16 approx. 5–12 bar
- Flow control stability: Temperature stability (–20…+80 °C) ±2 % (qV max); Pressure stability (up to 315 bar) ±2 % (qV max, some < ±5 %)
- Pressure differential free return flow B→A: approx. 2–7.3 bar (flow-dependent)
- Mounting: Subplate (ISO interface)
- Weight: 2FRM NG10 approx. 5.6 kg; NG16 approx. 11.3 kg (2FRH / 2FRW heavier)
- Viscosity range: 10–800 mm²/s
- Fluid cleanliness: ISO 4406 20/18/15
Key Technical Advantages
- Pressure-compensated constant flow: Integrated pressure compensator maintains the set flow constant even with large load pressure changes; temperature and pressure stability reach ±2 %.
- Multiple actuation options: Mechanical rotary knob (2FRM), hydraulic pilot (2FRH) or electro-hydraulic proportional (2FRW) to suit different control requirements.
- True interchangeability and standard interfaces: Identical mounting dimensions and ports to original Rexroth 2FRM series enable direct drop-in replacement; subplate design simplifies system integration.
- 100% functional verification under simulated conditions: Every unit is fully tested across flow-pressure-temperature characteristics before shipment, ensuring consistency and long-term reliability.
Application Areas
- Precise flow control on injection molding and die-casting machines
- Speed regulation on hydraulic presses and forging equipment
- Feed circuits on machine tools and machining centers
- Metallurgical and rolling mill systems
- Industrial hydraulic power units requiring load-independent flow control
Expert Maintenance Tips
Ensure the subplate mounting surface is clean and flat; tighten bolts to the specified torque. Maintain fluid cleanliness at ISO 4406 20/18/15 to protect the compensator and orifice. Adjust flow gradually to avoid sudden large openings that cause pressure shocks. Periodically check zero and set-flow stability and recalibrate if necessary. For long-term storage keep the valve filled with oil and cycle periodically. Always use original-specification NBR or FKM seals when servicing to maintain sealing performance.
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