Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of parker smb in China. We warmly welcome you to wholesale bulk parker smb for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
▔▔The Parker SMB Series represents a high-performance family of industrial servo proportional valves, specifically engineered for demanding dynamic applications requiring fast response, high accuracy, and strict position, speed, or force control. Operating within Parker's premium hydraulic control lineup, the SMB series integrates advanced onboard electronics (OBE) with a high-bandwidth proportional solenoid system and high-precision spool-sleeve design.
Key Advantages
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- High Dynamic Response: Optimized coil design and low-mass spool dynamic profile yield minimal response time and excellent frequency response for real-time closed-loop control.
- Precision Feedback Control: Built-in inductive position transducer (LVDT) provides continuous spool position feedback, minimizing hysteresis and ensuring maximum linearity.
- Integrated Digital Electronics: Standardized onboard drive electronics eliminate external amplifier cards, simplifying wiring and reducing susceptibility to electrical noise.
- Superior Ruggedness: Designed for high continuous working pressure and harsh industrial environments, ensuring extended operational lifespans under heavy duty cycles.
Technical Specifications
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| Parameter | Unit | Specification / Value |
| Valve Size / Interface | Standard | CETOP 03 / NG06 (DIN 24340 / ISO 4401) |
| Max. Operating Pressure (Ports A, B, P) | bar (psi) | 315 bar (4568 psi) |
| Max. Tank Port Pressure (Port T) | bar (psi) | 210 bar (3045 psi) |
| Rated Nominal Flow (at Δp = 70 bar) | L/min (GPM) | 5 L/min to 40 L/min (1.3 to 10.5 GPM) depending on spool size |
| Fluid Temperature Range | °C (°F) | -20°C to +80°C (-4°F to +176°F) |
| Ambient Temperature Range | °C (°F) | -20°C to +60°C (-4°F to +140°F) |
| Operating Viscosity Range | mm²/s (cSt) | 12 to 380 mm²/s (cSt) |
| Hydraulic Fluid Compatibility | Type | Mineral oil based hydraulic fluids (HLP / HM), Synthetic esters (HEES) |
| Permissible Contamination Class | ISO 4406 | ISO 4406 (18/16/13) or cleaner (NAS 1638 Class 7) |
| Hysteresis | % | < 0.2% |
| Response Time (0 to 100% stroke) | ms | 10 ms to 15 ms |
| Supply Voltage | V DC | 24 V DC (18 V DC to 30 V DC ripple < 5%) |
| Command Signal Options | Signal | ±10 V, 0–10 V, 4–20 mA |
Configuration Options
▔▔- Mechanical Construction: Compact, directly operated spool-in-sleeve design for minimal internal wear and zero-lap / sub-micron clearing precision.
- Control Mechanism: High-force linear solenoid driver coupled with an integrated onboard electronic amplifier (OBE) for precise positioning.
- Feedback System: Integrated LVDT (Linear Variable Differential Transformer) dynamic spool position sensor operating in a closed loop with onboard electronics.
- Flow Profiles: Symmetric flow profiles (E1/E2), Progressive linear flow curves, and asymmetrical metering options.
- Mounting Standard: Subplate mounting according to ISO 4401-03-02-0-05 / CETOP RP 121 H.
- Electrical Connection: Standard 6-pin + PE connector (MIL-C-5015) or M12 8-pin digital industrial connector.
Key Materials and Components
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- Hardened Steel Spool and Sleeve: Crafted from micro-alloyed, case-hardened stainless steel to eliminate erosion, maintain micro-tolerances under high differential pressure, and resist mechanical contamination wear.
- Fluorocarbon Seals (FKM / Viton): High-grade FKM static and dynamic O-rings supplied as standard to ensure maximum heat resistance, chemical stability, and fluid compatibility.
- Corrosion-Resistant Housing: Ductile cast iron valve body with black-oxide and phosphate coating for superior atmospheric corrosion protection in harsh industrial environments.
Packaging and Transport Protection
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- Primary Protection: Each SMB valve is lubricated with protective storage fluid, wrapped in anti-static VCI (Vapor Corrosion Inhibitor) film, and vacuum-sealed against moisture.
- Shock Isolation: Encased in custom-molded high-density polyethylene (EPE) shock-absorbing foam inserts to protect fine mechanical alignments and electronic calibration during transport.
- Fixing & Secure Shipment: Plastic oil port protective plugs installed on all subplate interfaces; individual boxes are packed into heavy-duty corrugated cartons or export-grade fumigated wooden cases for bulk freight.
Applications
▔▔- Plastic Injection Molding Machines: Used for closed-loop injection speed control and accurate pressure-to-hold transitions to ensure consistent part wall thickness.
- Metal Stamping & Hydroforming Presses: Applied in hydraulic slide cushion control and proportional pressing speed regulation to prevent tool impact damage.
- Test Benches & Flight Simulators: Utilized in high-frequency actuator driving for force, velocity, and position simulation where millisecond dynamic response is mandatory.
- Precision CNC Bending Machines: Installed in synchronization manifolds for left and right cylinder axes, ensuring sub-millimeter level parallelism during heavy bending operations.
Related Models
▔▔| Part Number / Model Code | Valve Size | Rated Flow (Δp 70 bar) | Command Signal | Spool Type | Feedback Type |
| SMB06-E05-A1-V10 | NG06 / CETOP 03 | 5 L/min | ±10 V | Symmetric zero-lap | Integrated LVDT |
| SMB06-E10-A1-V10 | NG06 / CETOP 03 | 10 L/min | ±10 V | Symmetric zero-lap | Integrated LVDT |
| SMB06-E20-A1-V10 | NG06 / CETOP 03 | 20 L/min | ±10 V | Symmetric zero-lap | Integrated LVDT |
| SMB06-E40-A1-V10 | NG06 / CETOP 03 | 40 L/min | ±10 V | Symmetric zero-lap | Integrated LVDT |
| SMB06-E20-A2-C20 | NG06 / CETOP 03 | 20 L/min | 4 to 20 mA | Symmetric zero-lap | Integrated LVDT |
| SMB06-E40-A2-C20 | NG06 / CETOP 03 | 40 L/min | 4 to 20 mA | Symmetric zero-lap | Integrated LVDT |
FAQ
▔▔Q1: How do I confirm the exact model code for replacing an existing Parker SMB valve? A: Check the metal nameplate located on the side of the valve body or the onboard electronics module housing. Send us the complete string (e.g., SMB06-E20-A1-V10) along with the serial number, and our engineers will cross-reference the exact specifications.
Q2: What level of hydraulic oil filtration is recommended for the Parker SMB Series? A: Because servo-proportional valves feature precision-ground spool clearances, fluid purity is vital. We recommend a minimum filtration rating of 10 microns absolute (beta ratio ≥ 75) to achieve ISO 4406 cleanliness class 18/16/13.
Q3: What type of hydraulic oil is recommended? A: Mineral-base hydraulic oils conforming to DIN 51524 (HLP/HM) with a viscosity range between 20 to 60 cSt at normal operating temperatures are ideal.
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