Masoneilan SVI II AP Digital Valve Positioner
Product Overview
The Masoneilan SVI II AP Digital Valve Positioner is a state-of-the-art solution designed for safe and intelligent valve automation in critical industrial environments. Featuring a 32-bit microprocessor and HART communication, it delivers precise control of pneumatic actuators using a 4-20 mA signal. Its non-contact position sensing and advanced diagnostics reduce process variability and enhance safety, making it ideal for hazardous areas with ATEX, IECEx, and FM certifications. The SVI II AP’s robust design and easy setup make it a top choice for industries like petrochemicals, power generation, and water treatment, ensuring reliable performance and operational safety.
Key Features
- Enhanced Safety: ATEX, IECEx, FM, and CSA certifications for explosion-proof and intrinsically safe operation.
- Advanced Diagnostics: Real-time valve health monitoring for predictive maintenance and reduced downtime.
- Non-Contact Sensing: Eliminates wear, ensuring long-term accuracy and reliability.
- HART Protocol: Supports HART 5 or 7 for seamless integration and remote access.
- Robust Housing: IP66-rated copper-free aluminum withstands harsh conditions.
- Quick Commissioning: Auto-tune and auto-stop with LCD interface for fast, accurate setup.
- Universal Compatibility: Fits single- or double-acting, rotary or linear actuators for easy retrofitting.
- High Flow Capacity: 280 SLPM at 30 psi supports efficient actuator operation.
Technical Specifications
| Parameter |
Specification |
| Input Signal |
4-20 mA with HART 5 or 7 |
| Pneumatic Action |
Single or Double Acting, Fail-Safe |
| Supply Pressure |
Single-Acting: 20–100 psi (1.4–6.9 bar); Double-Acting: 20–150 psi (1.4–10.3 bar) |
| Air Delivery |
280 SLPM at 30 psi |
| Operating Temperature |
-50°C to +85°C (-58°F to +185°F) |
| Protection Rating |
IP66 |
| Certifications |
ATEX, IECEx, FM, CSA (Flameproof, Intrinsically Safe, Dust Ignition Proof, Non-Incendive) |
| Material |
Copper-Free Aluminum |
| Weight |
Approx. 3.5 kg (7.7 lbs) |
| Mounting |
Rotary or Linear Actuators |
Applications
The Masoneilan SVI II AP excels in critical valve automation tasks across various industries:
- Petrochemical Refining: Ensures precise valve control in high-pressure refining processes.
- Power Plants: Optimizes valve performance in boiler and turbine control systems.
- Chemical Manufacturing: Supports accurate flow control in chemical production.
- Oil and Gas Pipelines: Enhances valve operation for safe and efficient pipeline management.
- Water and Wastewater: Provides reliable valve control in treatment and distribution systems.
Frequently Asked Questions
What makes the SVI II AP safe for hazardous areas?
It is certified for ATEX, IECEx, FM, and CSA, ensuring safe operation in explosive and dust-prone environments.
How does the SVI II AP improve valve performance?
Its non-contact sensing and advanced diagnostics ensure precise positioning and predictive maintenance.
Can the SVI II AP be used with non-Masoneilan actuators?
Yes, its universal design allows retrofitting onto most pneumatic actuators.
What diagnostic features does the SVI II AP offer?
It provides online valve health monitoring, including performance trends and alerts for potential issues.
How easy is it to commission the SVI II AP?
Auto-tune and auto-stop features, along with an LCD interface, enable quick and accurate setup.
Contact Us
For more information about the Masoneilan SVI II AP Digital Valve Positioner, pricing, or to request a demo, contact our team:
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