Masoneilan SVI II AP is an advanced digital positioner leveraging a 32-bit microprocessor for precise pneumatic actuator control via 4-20 mA HART signals. Its non-contact Hall-effect position sensor ensures high resolution (0.0015%) and SIL 2 compliance, while the high-flow option (Cv 2.2) supports large actuators without boosters. Designed for retrofit on single/double-acting valves, it features robust electronics and field-upgradable firmware for long-term adaptability in demanding industrial settings.
| Parameter | Details |
|---|---|
| Electronics | Plug-in module; HART communications; input resistance 450 Ω |
| Pneumatic Connections | 1/2" NPT; supply pressure 20-100 psi; materials: composite polymers/300-400 SS |
| Air Quality | Regulated/filtered air or sweet natural gas |
| Resolution/Speed | Position: 0.0015%; Power-up control <150 ms; Interrupt tolerance <100 ms |
| Certifications | FM, CSA, ATEX, IEC (IS, XP, FP, nL); CE Mark; EMC 89/336/EEC |
| Materials | Housing: Aluminum ASTM 360 with polyurethane paint; Wetted: 300/400 SS |
| Performance Metrics | Hysteresis + Deadband ±0.3% FS; Power from 4-20 mA loop |
| Weight/Dimensions | Varies by options; compact industrial design |
Engineered for high-precision control in petrochemical refineries, upstream oil & gas, and chemical processing plants. Excels in applications requiring fast response to setpoint changes, such as compressor anti-surge or emergency shutdown systems, where non-contact sensing minimizes downtime.
Phone/WeChat/WhatsApp: +8613916209596
Email: svetama@gbsxj.com
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