Masoneilan SVI II AP Digital Valve Positioner
Product Overview
The Masoneilan SVI II AP Digital Valve Positioner, including the SVI2-21123111 configuration, is a robust microprocessor-based device for precise pneumatic actuator control in hazardous industrial settings. With a 32-bit processor and HART protocol, it offers operable LCD and pushbuttons in certified explosive areas, enabling safe local configuration. The five built-in pressure sensors provide comprehensive diagnostics, while auto-tune and quick commissioning reduce setup time. Supporting single and double-acting actuators, the SVI II AP is essential for oil and gas, refining, and chemical plants, delivering safe, efficient valve operation.
Key Features
- Hazardous Area Operation: LCD and buttons function in ATEX/FM/CSA zones.
- Integrated Sensors: Five factory-calibrated pressure sensors for diagnostics.
- Auto-Tune Setup: Fast commissioning with auto-stop methods.
- HART Digital Interface: Remote access for monitoring and configuration.
- Low Maintenance: Modular design for easy repairs.
- Wide Compatibility: Single/double-acting pneumatic actuators.
- Compact Enclosure: IP66 protection for harsh conditions.
- Energy Efficient: Low air consumption for cost savings.
Technical Specifications
| Parameter | Specification |
| Input Signal | 4-20 mA HART |
| Supply Pressure | 1.4–6.9 bar (20–100 psig) |
| Output Signal | Pneumatic (3-15 psi) |
| Accuracy | ±0.5% of span |
| Temperature Range | -40°C to +80°C (-40°F to +176°F) |
| Enclosure Rating | IP66 |
| Certifications | ATEX, FM, CSA, hazardous area operable |
| Actuator Compatibility | Single/double-acting pneumatic |
| Power Consumption | <1 W |
Applications
The Masoneilan SVI II AP Digital Valve Positioner is vital for safe valve control in hazardous industries:
- Refining: Valve positioning in explosive zones.
- Oil and Gas: Pipeline and platform automation.
- Chemical Plants: Reactor control in hazardous areas.
- Power Facilities: Steam valve operation.
- Mining: Flow control in vibration-heavy setups.
Frequently Asked Questions
Why is the SVI II AP suitable for hazardous areas?
Its LCD and buttons are operable without cover removal in certified zones.
What is the benefit of five pressure sensors?
They enable comprehensive online diagnostics for valve health.
How quick is commissioning?
Auto-tune and auto-stop methods complete setup in minutes.
Does it support HART?
Yes, for digital remote access and monitoring.
Is it low-maintenance?
Yes, modular design allows easy repairs.
Contact Us
Contact our team for inquiries about the Masoneilan SVI II AP Digital Valve Positioner, pricing, or to schedule a demo:
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