IMI STI AV Series High Speed Corrosion Resistant Volume Booster with 1:1 Pressure Ratio for Pneumatic Control Valves

The IMI STI AV Series Volume Booster is a high-performance pneumatic control component engineered for industrial automation and process control systems. Specialized in amplifying air flow and accelerating pressure response, it receives low-volume pilot signals from positioners or controllers and delivers high-volume output to pneumatic actuators. This booster ensures rapid, precise actuator stroking and stable pressure regulation, eliminating signal lag and improving the overall responsiveness of pneumatic control loops. Built with rugged industrial-grade materials, it adapts to harsh working conditions and seamlessly integrates with various valve control systems, serving as a reliable core component for efficient and accurate industrial process control.

• Delivers high-speed air flow amplification for rapid pneumatic actuator stroking and fast system response
• Precise pressure regulation with 1:1 input to output pressure ratio for consistent control performance
• Rugged construction with corrosion-resistant materials for reliable operation in harsh industrial environments
• Integral bypass restriction design to avoid positioner saturation and maintain steady-state accuracy
• Low air consumption with soft seat tight shut-off structure for energy-efficient system operation
• Compact and lightweight design enables flexible mounting, compatible with most pneumatic actuators and positioners
• Wide operating pressure and temperature range to adapt to diverse industrial working conditions
• No complex calibration required, easy installation and maintenance for reduced operational downtime

• Input Signal: Pneumatic pilot signal from valve positioners or pneumatic controllers
• Pressure Ratio: Fixed 1:1 input to output pressure ratio
• Maximum Supply Pressure: 10 bar (145 psi)
• Operating Pressure Range: 0.5 - 8 bar (7 - 116 psi)
• Operating Temperature Range: -40°C to +80°C (-40°F to +176°F)
• Flow Capacity: High volume air output for rapid actuator response
• Mounting Type: Direct actuator mount / Panel mount, flexible installation options
• Connection Port: 1/4" NPTF, standard industrial pneumatic connection
• Housing Material: Die-cast aluminum with anti-corrosion coating
• Sealing Material: High-performance elastomer for tight shut-off and long service life
• Certification: Complies with industrial pneumatic component standards for global applicability

The IMI STI AV Series Volume Booster is widely applied in industrial pneumatic control systems that require rapid actuator response and precise pressure regulation, covering multiple key industries and scenarios:

• Oil and natural gas processing plants, refineries and gas transmission pipelines
• Petrochemical and chemical manufacturing facilities for process control valves
• Thermal, gas and hydropower plants for power generation system automation
• Pulp and paper, food and beverage production lines with pneumatic control equipment
• Mining and metallurgical processing for heavy-duty pneumatic actuator control
• Water and wastewater treatment plants for valve and pump control systems
• Pharmaceutical and fine chemical production for precision process control
• General industrial automation, including packaging, material handling and manufacturing lines
• Safety instrumented systems (SIS) and emergency shutdown (ESD) systems for rapid response

1. What is the core function of the IMI STI AV Series Volume Booster?

   It amplifies air flow in pneumatic systems, receives low-volume pilot signals and delivers high-volume output to accelerate actuator stroking speed and improve the responsiveness of control valves.

2. What is the input to output pressure ratio of this volume booster?

   It features a fixed 1:1 input to output pressure ratio, ensuring accurate and consistent pressure transmission for stable system control.

3. Is the IMI STI AV Series Volume Booster easy to install?

   Yes, it has a compact design with flexible mounting options, direct actuator or panel mount is available, and no complex calibration is needed for quick installation.

4. What industrial environments is this booster suitable for?

   It is built with corrosion-resistant die-cast aluminum housing and can work in a wide temperature range of -40°C to +80°C, adapting to humid, corrosive and harsh industrial working conditions.

5. Can it be integrated with different brands of valve positioners and actuators?

   Yes, it is designed with standard pneumatic connections and mounting dimensions, compatible with most mainstream industrial pneumatic positioners and actuators on the market.

6. How to maintain the IMI STI AV Series Volume Booster?

   It has a simple structure with no easily worn precision parts; regular inspection of sealing parts and air connections is sufficient, and maintenance work is minimal.

7. What is the maximum supply pressure of this volume booster?

   The maximum allowable supply pressure is 10 bar (145 psi), and the normal operating pressure range is 0.5 - 8 bar (7 - 116 psi).

For product inquiries, technical support, quotation consultation and purchase orders, please contact us through the following channels:

wechat/what's app/phone number:+8613472860702

Our professional technical and sales team will provide you with timely, comprehensive and customized solutions for your industrial pneumatic control needs.

• IMI STI Valve Positioner Series for pneumatic control systems
• IMI STI Pneumatic Actuators (Double Acting / Spring Return)
• IMI STI Air Filter Regulators and FRL Assemblies
• IMI STI Solenoid Valves for Industrial Pneumatic Control
• IMI STI Pressure Transmitters and Pneumatic Sensors
• IMI STI Flow Control Valves and Pneumatic Manifolds
• IMI STI Calibration and Maintenance Tools for Pneumatic Equipment
• IMI STI Explosion-Proof Pneumatic Components for Hazardous Areas