Product Description
Product Overview
The Emerson SM4-20(15)57-80/40-10-H607H is an Electro-Hydraulic Servo Valve designed for precise flow control in hydraulic systems, manufactured by Emerson under its Vickers brand. This two-stage servo valve is widely used in industrial applications such as steam turbine governing, hydraulic machinery, and automated production lines. It converts electrical control signals into hydraulic outputs, enabling accurate regulation of flow and pressure. Known for its high performance and reliability, it is a critical component in systems requiring rapid response and fine control, such as those in power generation, metallurgy, and aerospace.
Technical Specifications
The SM4-20(15)57-80/40-10-H607H has the following specifications based on standard characteristics for this Vickers servo valve model:
| Item | Specification |
|---|---|
| Model/Part Number | SM4-20(15)57-80/40-10-H607H |
| Manufacturer | Emerson (Vickers) |
| Description | Electro-Hydraulic Servo Valve |
| Series | SM4 |
| Rated Flow | 20 gpm (75.7 L/min) at 1000 psi (70 bar) drop |
| Pressure Rating | Up to 3000 psi (210 bar) |
| Frequency Response | 57 Hz at 90° phase lag |
| Step Response | 80 ms (0-100% stroke) |
| Power Supply | Hydraulic, typically 24 V DC for control |
| Operating Temperature | -20°C to 80°C (-4°F to 176°F) |
| Weight | Approximately 1.4 kg (3.1 lbs) |
Additional Details
The SM4-20(15)57-80/40-10-H607H includes the following additional information based on its standard use and documentation:
| Category | Details |
|---|---|
| Function | Converts electrical signals to hydraulic flow/pressure control |
| Mounting | Flange-mounted (ISO 10372-04-04-0-92 standard) |
| Connectivity | Electrical plug (H607H variant), hydraulic ports |
| Features | Two-stage design, high dynamic response, mechanical zero adjustment |
| Certifications | Designed for industrial standards (e.g., ISO, CE) |