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Masoneilan SVI II AP Digital Valve Positioner SVI2 21123111 HART Smart Positioner Pneumatic Valve Accessory

1
MOQ
US $1700.00 - 1950.00/ Set
Price
Masoneilan SVI II AP Digital Valve Positioner SVI2 21123111 HART Smart Positioner Pneumatic Valve Accessory
Features Gallery Product Description Ratings & Review Request A Quote
Features
Specifications
Signal - Communication: HART 5 Or 7 Over 4-20mA
Diagnostics: Standard Diagnostics
Construction / Materials: Copper-free Aluminum Housing
Valve Size: 1/4NPT
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Masoneilan SVI II AP digital valve positioner

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HART smart positioner pneumatic valve

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SVI2 21123111 valve accessory
Basic Infomation
Place of Origin: China
Brand Name: Masoneilan
Model Number: SV II
Payment & Shipping Terms
Packaging Details: Cardboard box/Wooden crate
Delivery Time: 4-6 weeks
Payment Terms: T/T
Supply Ability: 6000 sets per year
Product Description
Masoneilan SV II AP Advanced Performance Digital Valve Positioner (Model: SVI2-21123111)
Product Overview
  1. 32-bit microprocessor-powered smart valve positioner with 2-wire 4-20mA control signal and bi-directional HART protocol communication for remote configuration and real-time monitoring
  2. Adopts non-contact position sensing technology with no internal moving parts, delivering high positioning accuracy and strong resistance to vibration, temperature fluctuation and corrosion
  3. Universal modular design fits both single/double-acting pneumatic actuators and linear/rotary valves, enabling direct retrofit for Masoneilan and third-party valve assemblies.
Technical Specifications
Parameter Specification
Input Signal 4-20 mA with HART 5/7 Protocol
Supply Pressure Single-acting: 1.4–6.9 bar (20–100 psig); Double-acting: 1.4–10.3 bar (20–150 psig)
Positioning Accuracy ±0.5% of full span
Repeatability ±0.3% of full span
Flow Capacity 280 SLPM @ 30 psi
Operating Temperature -50°C to +85°C
Enclosure Rating IP66
Housing Material Copper-free aluminum with epoxy coating
Certifications ATEX, IECEx, FM, CSA (hazardous area approved)
Actuator Compatibility Single-acting & double-acting pneumatic actuators (linear / rotary)
Application Industry
  1. Oil & Gas: Deployed in upstream production, midstream pipelines and refinery distillation units, certified for safe operation in explosive hazardous zonesBaker Hugh....
  2. Petrochemical & Chemical: Applied in reactor flow control, hydroprocessing, cracking and fractionation processes, compatible with corrosive process media environmentsMade-in-Ch....
  3. Power Generation: Used for steam turbine systems, heat recovery steam generators and balance-of-plant valve automation, ensuring stable regulation of water and steam loopsBaker Hugh....
Common Problems & Solutions
  1. Position drift / calibration offset: Trigger auto-stop and auto-tune function via local buttons or ValVue software; verify stable supply air pressure and clean filter regulatorBaker Hugh....
  2. No pneumatic output / signal non-response: Inspect 4-20mA input wiring and power supply; check for blockage in air supply path and I/P converter module.
  3. Fault alarm activation: Record error code via HART communicator; check magnet mounting alignment; restore factory default settings if parameter configuration is abnormalBaker Hugh....
Replacement Models
  1. SVI2-21113111: Single-acting basic configuration of SVI II AP series, fully interchangeable mounting footprint for direct drop-in replacementAlibaba.co....
  2. SVI2-22123121: Double-acting variant with enhanced diagnostic functions, compatible with existing installation brackets and accessoriesMade-in-Ch....
  3. Masoneilan SVI3 Series: Third-generation upgraded digital positioner with optimized control algorithm, backward compatible with SVI II AP mounting interfacesMade-in-Ch....
Why Buy From Us
  1. 100% original authentic Baker Hughes Masoneilan products with full factory quality certificates and 12-month standard warranty.
  2. Dedicated technical team with certified flow control engineers, providing pre-sales model selection and after-sales commissioning troubleshooting support.
  3. Rich overseas trade experience, supporting EXW, FOB, CIF and other trade terms with complete export customs clearance documents.
Stock & Delivery Time
  1. Standard model SVI2-21123111 is kept in local warehouse stock, can be dispatched within 2 working days upon payment confirmation.
  2. Bulk orders (10 units and above): 7–10 working days preparation lead time with reinforced export packaging.
  3. International logistics: Express delivery (DHL/FedEx/UPS) takes 5–7 working days to most global regions; sea freight available for large volume orders.
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

A
Amir Rezaei
United Arab Emirates Jan 6.2026
Helpful (6)
We have been cooperating for 3 years with stable supply and reliable service
F
Firoz Kannur
United Arab Emirates May 1.2025
Helpful (21)
We sourced Masoneilan SVI3 valve positioners for a refinery project in UAE. The delivery was fast and the technical support was very professional. Everything worked perfectly during commissioning
Z
zahir mustafa
United States Feb 26.2025
Helpful (6)
Happy to work with them, fast response, hope to do more business with them soon
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Contact Person : Mr. Edward Zhao
Tel : +8615000725058
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No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
edward.zhao@gongboshi.com
+8615000725058
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