Fisher Valve Positioners & Digital Valve Controllers | ZYHK Technology
Who We Are
ZYHK Technology is a trusted global supplier of genuine Fisher positioners and digital valve controllers. Fisher, part of Emerson’s process management portfolio, is the world leader in control valve and valve positioning technology. The Fisher FIELDVUE series has sold over 3 million units with more than 10 billion hours of field-proven operation .
We deliver 100% authentic, factory-certified Fisher products for oil & gas, chemical processing, power generation, and other critical industries.
Why Choose Fisher Positioners?
| Feature | Benefit |
|---|---|
| Industry Leadership | Global leader with over 100 billion hours of field operation |
| Digital Intelligence | FIELDVUE series with self-diagnostics and predictive maintenance |
| Proven Reliability | Designed for harsh, corrosive, and hazardous environments |
| Flexible Communication | HART, PROFINET, and wireless options available |
| Broad Compatibility | Fits both Fisher and non-Fisher actuators and valves |
Core Product Series
1. FIELDVUE™ DVC7000 Series – Next Generation Digital Valve Controller
The latest flagship series with advanced self-diagnostics and wireless data transmission .
| Feature | Specification |
|---|---|
| Control Accuracy | 0.5% control accuracy |
| Diagnostics | Advice at Device self-diagnostic system per NE107 standard |
| Fault Detection | Monitors travel deviation, supply pressure, actuator leakage |
| User Interface | Full Chinese display, 6-button operation |
| Communication | HART protocol & PROFINET |
| Data Storage | Built-in memory with FIFO life-cycle data |
Award-Winning Innovation: DVC7K received Control Engineering magazine’s “Product of the Year” award .
2. FIELDVUE™ DVC6000 Series – The Industry Workhorse
The classic micro-processor based digital valve controller series .
| Series Model | Application |
|---|---|
| DVC6000 | Base model for general applications |
| DVC6010 | For linear stroke control valves |
| DVC6020 | For rotary and long-stroke linear valves |
| DVC6030 | For 90-degree rotary control valves |
Key Features:
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4-20mA loop-powered, HART communication
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For single or double-acting actuators
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Self-diagnostic and calibration capabilities
Supported Models:
DVC6010, DVC6020, DVC6030 with various accessories including AC (conduit connections), HC (HART communication), PD (integrated digital display), and FCFD (Foundation Fieldbus) variants .
Note: DVC6000 series was replaced by the DVC6200 series. We still supply genuine components and spare parts for existing DVC6000 installations .
3. FIELDVUE™ DVC2000 Series – Cost-Effective Digital Solution
| Feature | Specification |
|---|---|
| Display | Multi-language LCD screen |
| Feedback | Non-contact valve position feedback |
| Design | Two-stage positioner design for faster response |
Popular Models:
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DVC2000 without feedback, HC
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DVC2000 with feedback, HC
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DVC2000 without feedback, PD
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DVC2000 with feedback, PD
4. Fisher Pneumatic Positioners – Reliable & Rugged
For applications where digital communication is not required .
3610J Pneumatic Positioner
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Application: Single-acting rotary actuators
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Input Signal: 3-15 psi or 6-30 psi pneumatic signal
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Features: Easy zero/span adjustment, vibration-resistant, field reversible action
3710 Pneumatic Positioner
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Application: Diaphragm or piston rotary actuators
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Input Signal: Pneumatic or DC current signals
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Capabilities: Single or double-acting configurations, proven spool valve technology
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Special Materials: Available with EPDM or Viton O-rings for food, beverage, pharmaceutical applications
3720 Electro-Pneumatic Positioner
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Application: Rotray actuators with Fisher 3722 electro-pneumatic converter
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Input Signal: DC current signal
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Features: Easy access to all internal components, rugged construction
Genuine vs. Counterfeit: Why It Matters
| Genuine Fisher | Counterfeit / Gray Market | |
|---|---|---|
| Quality | Factory-tested, certified | Unknown, unreliable |
| Accuracy | 0.5% accuracy, guaranteed | Unverified |
| Diagnostics | Full diagnostic capabilities | Non-functional or missing |
| Warranty | Full manufacturer warranty | None |
| Support | Engineering documentation, training | No support |
Applications Across Industries
| Industry | Recommended Products |
|---|---|
| Oil & Gas / Petrochemical | DVC7000, DVC6200 for harsh, corrosive environments |
| Power Generation | DVC6000, DVC2000 for steam and water systems |
| Chemical Processing | DVC7000 with advanced diagnostics |
| Pharmaceutical & Food | 3710/3720 with EPDM or Viton seals |
| Water & Wastewater | DVC2000, 3610J for general applications |
Technical Support & Services
| Service | Description |
|---|---|
| Product Selection | Help choosing the right positioner for your valve and actuator |
| Configuration Support | Setup via HART 475, PC with AMS software |
| Installation Guidance | Mounting, wiring, and calibration best practices |
| Legacy Replacement | Upgrade from older DVC6000 series to new DVC7000/DVC6200 |
Contact Us
Ready to source genuine Fisher positioners or digital valve controllers?
📧 Email: sales@zyhktech.com
📱 WhatsApp: +852 4691 7686
🌐 Website: www.zyhktech.com
Precision valve control for process excellence.