Original and New Masoneilan Svi2-21123121 Series Advanced Smart Valve Positioner

• Customization: Available
• Brand: Masoneilan
• Power: Electric
• Model NO.: SVI2-21123121
• Adjusted Form: Switching Type
• Working Type: Rotary
• Pressure: Medium Pressure
• Work Temperature: Normal Temperature
• Acting Type: Double Acting
• Material: Stainless Steel
• Customized: Non-Customized
• Structure: Piston Type
• Model: Svi2-21123121
• Series: Svi II Ap (Advanced Performance)
• Communication Protocol: Hart® 5/7
• Power Supply: Loop-Powered
• Operating Temperature: -50°c to +85°c
• Supply Pressure: 20–100 Psi
• Air Delivery: 280 Slpm
• Transport Package: UPS FedEx
• Specification: 30*30*30
• Trademark: Masoneilan
• Origin: China
• HS Code: 9032810000
• Production Capacity: 100/Month
• Package Size: 40.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 5.000kg

Product Description

Product Description

Product Overview of Masoneilan SVI2-21123121 Valve Positioner

The Masoneilan SVI2-21123121 is a high-performance digital valve positioner from the SVI™ II AP (Advanced Performance) series, designed for precise control of pneumatic actuators in demanding industrial environments. Utilizing a 32-bit microprocessor, it supports HART 5/7 communication over a 4-20mA control signal, enabling bidirectional data exchange for remote monitoring and diagnostics. Its universal design allows easy retrofitting on both Masoneilan and non-Masoneilan actuators (single- or double-acting)

Masoneilan SVI2-21123121 Valve Positioner: Key Features and Selling Points:
The Masoneilan SVI2-21123121 Advanced Performance Digital Valve Positioner is a cutting-edge solution designed for precise control and optimization of pneumatic actuators in demanding industrial environments. Combining robust engineering with advanced diagnostics, this valve positioner stands out for its versatility, reliability, and integration capabilities. Below is a detailed overview of its features and competitive advantages.

Detailed Photos

 

1. Non-Contact Position Sensing Technology
The SVI2-21123121 employs non-contact Hall-effect sensors to measure valve position without mechanical components, ensuring longer service life and reduced wear. This technology provides 0.00015% resolution for ultra-precise positioning, critical for applications like steam regulation and process control. Its magnetic coupling system uses rare-earth magnets, maintaining strength over decades, while shielding against electromagnetic interference
2. Advanced Diagnostics and Monitoring
Three-Tier Diagnostics:
Continuous Diagnostics: Monitors valve cycles, travel distance, runtime (open/close), and critical alerts (e.g., position deviation, supply pressure issues) 
Offline Diagnostics: Includes valve response tests, actuator pressure analysis, and high-resolution Valve Signature Testing to quantify friction, spring performance, and seat condition 
Online Diagnostics: Real-time monitoring of valve position, I/P pressure, and board health via HART® protocols. With Valve Aware software, it measures KPIs like hysteresis, response time, and friction without interrupting operations 
Field-Upgradable: The SD (Standard Diagnostics) version can be upgraded to AD (Advanced Diagnostics) to unlock features like valve seat load analysis and embedded performance charts
3. Rugged Design for Harsh Environments
Durable Construction: Available in low-copper aluminum (ASTM 360) or 316L stainless steel housings, resistant to corrosion, vibration, and extreme temperatures (-50°C to +85°C). The pressurized electronics compartment prevents moisture ingress 
Explosion-Proof Certification: Complies with ATEX, FM, IECEx,  and regional standards (e.g., China, Russia), ensuring safe operation in hazardous areas. The optional explosion-proof LCD allows local calibration without exposing wiring 
4. Universal Compatibility and Ease of Use
Broad Application Support: Suitable for linear and rotary valves, single- or double-acting actuators, and remote/local installation. It integrates seamlessly with Masoneilan and non-Masoneilan actuators, reducing retrofitting costs 
Quick Commissioning: Features auto-stop for zero/span calibration and auto-tune algorithms to optimize valve response. The optional LCD interface simplifies setup and troubleshooting in hazardous zones 
Modular Design: Replaceable components (e.g., I/P relay, circuit boards) enable maintenance without full disassembly, minimizing downtime 
5. Integration and Communication Flexibility
HART® 7 Protocol: Enables bidirectional communication for remote configuration, diagnostics, and firmware updates. Compatible with eDDL, FDT/DTM, and asset management systems like ValVue™ Suite 
Low Power Consumption: Operates at 9Vdc (20mA loop), compatible with legacy systems and wireless HART adapters like Masoneilan VECTOR 
Auxiliary Outputs: Two configurable solid-state switches (24Vdc, 1A) for alarms or control signals, reducing the need for external accessories 
6. Industry-Specific Advantages
·Wide Supply Pressure Range: Supports 20-150 psi for double-acting actuators, ideal for high-pressure applications in oil & gas, refining, and power generation .
·High Air Delivery: A flow capacity of 280 SLPM @ 30psi ensures rapid actuator filling/venting, critical for emergency shutdowns or dynamic control .
Conclusion
The Masoneilan SVI2-21123121 excels in precision, durability, and adaptability, making it a top choice for industries prioritizing process efficiency and safety. Its advanced diagnostics, universal compatibility, and explosion-proof certifications position it as a future-proof investment for complex valve automation challenges. For detailed specifications or integration support, refer to Baker Hughes technical manuals or authorized distributors
 

Product Parameters

Attribute	Description
Model	SVI2-21123121
Series	SVI II AP (Advanced Performance)
Communication Protocol	HART® 5/7 over 4-20mA control signal
Power Supply	Loop-powered (9Vdc @ 20mA)
Diagnostics	- Standard diagnostics with alarms- Advanced diagnostics
Construction	Copper-free aluminum housing (NEMA 4X/IP66)
Operating Temperature	-50°C to +85°C
Pneumatic Action	Single-acting, fail-safe (supports both rotary and linear actuators)
Supply Pressure	20-100 psi (1.4-6.9 bar) for single-acting
Air Delivery	280 SLPM (standard liters per minute) @ 30 psi
Position Feedback	Non-contact magnetic position sensing technology
LCD Display	Integrated local LCD for parameter adjustment and diagnostics
Certifications	ATEX, IECEx, FM (flameproof/explosion-proof, intrinsic safety, dust ignition-proof)
Key Features	- Single-button "SmartCal" auto-calibration- Modular platform for future upgrades- Valve position feedback

 

Company Profile

 

 

KeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment supply of specialized companies. The main products are flow meters, level meters,temperature meters, pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC), DCS distributed control systems, and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco, textile, dyeing, and other fields.
 

 

Packaging & Shipping

The packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market.
 

 

FAQ

Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.