The NACHI Modular Valve Series is designed to integrate multiple hydraulic valve operations into a single unit. This system eliminates the need for intermediate piping and allows for the configuration of a complete circuit using a single modular station.
Key Advantages and Features
- High-pressure performance: Maximum operating pressures reach between 21 and 35 MPa, providing smooth operation under demanding conditions.
- High efficiency: Features a very low leakage level, ensuring high system efficiency.
- Operational stability: Offers extremely stable performance across all pressure ranges.
- International compatibility: Complies with ISO dimensions recommended for most subplate-mounted installations, allowing for a high degree of worldwide compatibility.
- Simplified assembly: The “ganging and bolting” stacking format allows for configuring, modifying, or expanding the circuit quickly and easily.
- Space-saving: Compact module configurations drastically reduce installation space requirements.
- Lower maintenance costs: By using fewer pipes and fittings, the need for system acid flushing and cleaning is reduced.
- Increased safety: Significant reduction in fluid leakage issues caused by pipe resonance, noise, or loose connections.
Technical Specifications by Series
| Series | Nominal Diameter | Max. Working Pressure | Max. Flow Rate |
|---|---|---|---|
| 01 Series | 1/8 | 25 MPa | 50 ℓ/min |
| 03 Series | 3/8 | 25 MPa | 100 ℓ/min |
| 04 Series | 1/2 | 35 MPa | 300 ℓ/min |
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NACHI also offers the M35 series, a special version designed to withstand a maximum operating pressure of 35 MPa, available for the 01 and 03 series.
Range of Available Modular Valves
| Control Category | Function / Valve Type | NACHI Series |
|---|---|---|
| 🔴 Pressure | Relief Valves | OR |
| Direct Relief Valves | ORD | |
| Pressure Reducing Valves | OG / OGB | |
| Sequence Valves | OQ | |
| Counterbalance Valves | OCQ | |
| 🔵 Flow | Flow Control Valves | OY / OCY |
| Flow Control Valves (with/without compensation) | OF / OCF | |
| 🛑 Locking & Dir. | Check Valves | OC / OCV |
| Pilot-operated Check Valves | OCP | |
| ⚙️ Specialized | Modular Brake Valves | ORO |
| Modular Pressure Switches | OW |
