MASONEILAN SVI1000 SVI2 SVI3 Valve Positioner with 78-40 Air Filter Regulator

The MASONEILAN 78-40 Air Filter Regulator paired with SVI1000, SVI2 and SVI3 Series Professional Valve Positioner is an integrated high-performance pneumatic control solution. The 78-40 regulator delivers stable, filtered air supply with precise pressure adjustment, while the SVI series positioners feature field-proven non-contact position sensing and advanced control algorithms. This combined system ensures accurate, responsive and reliable operation for pneumatic control valves, providing a robust and efficient solution for industrial process control, and is engineered to meet the strict performance demands of various hazardous and general industrial environments.

• The 78-40 regulator offers excellent pressure regulation with a lock screw to maintain set output pressure stably
• 5 micron sintered polyethylene filter element of the regulator ensures efficient air filtration and impurity removal
• Compact and lightweight design of 78-40 enables flexible nipple mounting, no extra bracket required in most installations
• SVI series positioners adopt non-contact position sensing technology for high positioning accuracy and fast response
• Dual pressure gauge ports on the regulator allow flexible gauge installation on either side for easy operation
• SVI1000 SVI2 SVI3 positioners feature advanced control and diagnostic algorithms for real-time operational monitoring
• The regulator is equipped with a stainless steel drain and corrosion-resistant finish for corrosive environment use
• Soft seat plug on the regulator’s main valve provides positive shutoff and low leakage performance
• Integrated design of filter regulator and positioner realizes seamless matching and reduced installation space

This integrated air filter regulator and valve positioner system is widely applied in various industrial process control scenarios that require precise pneumatic valve control and stable air supply, including:

• Oil and natural gas processing plants and refineries
• Petrochemical and chemical manufacturing facilities
• Power generation plants including thermal and gas power stations
• Process industries such as pulp and paper, food and beverage production
• Mining and metallurgical processing systems
• Water and wastewater treatment plants
• Pharmaceutical and fine chemical production lines
• General industrial automation control systems with pneumatic control valves

1. What is the pressure adjustment range of the MASONEILAN 78-40 regulator?

   The 78-40 air filter regulator has a pressure set range of 5-100 psi (0.35-7 bar), which can be flexibly adjusted according to actual working condition requirements.

2. Is this integrated system suitable for corrosive working environments?

   Yes, the 78-40 regulator features corrosion-resistant finish, stainless steel drain and hardware, making the whole system applicable for corrosive industrial environments.

3. What is the filtration precision of the 78-40 air filter regulator?

   It is equipped with a 5 micron sintered polyethylene filter element, which can effectively filter impurities in the air and protect the valve positioner and pneumatic valve.

4. Can the SVI series positioners realize real-time equipment monitoring?

   All SVI1000, SVI2 and SVI3 positioners are designed with advanced control and diagnostic algorithms, which support real-time operational monitoring and fault early warning.

5. How to install the MASONEILAN 78-40 Air Filter Regulator?

   The 78-40 regulator has a compact lightweight design and can be directly nipple mounted in most installations; a mounting bracket is also available if needed for special working conditions.

6. What is the temperature adaptability of this integrated system?

   The system can work stably in the ambient temperature range of -40°C to +83°C, and also supports low and high temperature working conditions with corresponding range adaptability.

7. Is the air filter regulator and positioner system easy to maintain?

   The system adopts modular design, the filter element of the regulator can be easily replaced, and the SVI series positioners have simple daily maintenance requirements with no frequent part replacement needed.

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