Reliable flow control and isolation

Valves & Actuation Solutions

AOS Orwell provides a comprehensive range of engineered valve, actuation, isolation, and pressure-protection solutions for demanding industrial applications. Supported by globally recognized OEM partners and our in-country engineering expertise, our solutions deliver precise process control, dependable isolation, safe emergency response, and long-term operational reliability.

Precise process control

Control Valves

AOS Orwell offers high-performance Pressure Control Valves and Flow Control Valves designed to deliver precise and reliable process control across demanding industrial applications.

Our Pressure Control Valves maintain stable process pressure, while our Flow Control Valves accurately regulate the flow of liquids, gases, and steam through continuous modulation. Supported by globally recognized OEM partners and our in-country engineering expertise, these solutions provide safe, efficient, and dependable performance.

  • Globe valves, including angle and globe patterns, anti-surge and cryogenic valves
  • Double-offset, triple-offset and OCT zero-leakage butterfly valves
  • Manual and automated choke valves
  • Pneumatic, diaphragm and manual actuators

Applications: Severe-service valve solutions for high-temperature, high-abrasion and cryogenic processes across oil and gas, LNG, power and other process industries.

Control Valves
Emergency isolation

Emergency Shutdown Valves & Blowdown Valves

AOS Orwell provides high-integrity Emergency Shutdown Valves and Blowdown Valves engineered to safeguard personnel, assets, the environment and critical process infrastructure.

Emergency Shutdown Valves deliver rapid and reliable isolation of process equipment during emergency conditions, while Blowdown Valves enable the controlled depressurization of systems to minimize risk and protect plant integrity.

Designed for safety-critical service and supported by our globally recognized OEM partners and local engineering expertise, these solutions provide dependable performance for upstream, midstream, downstream and power-industry applications.

Emergency shutdown and blowdown valves
Isolation and regulation

Gate, Globe & Check Valves

We offer a comprehensive range of Gate, Globe and Check Valves designed to provide reliable isolation, flow regulation and backflow prevention across a wide range of industrial applications.

Engineered for durability, safety and long service life, these valves are available in a variety of materials, pressure classes and end connections to meet the requirements of oil and gas, power, petrochemical and other process industries.

  • Gate valves for dependable full-flow isolation
  • Globe valves for accurate throttling and flow regulation
  • Check valves for reliable backflow prevention
  • Multiple body materials, pressure classes and end connections
Gate, globe and check valves
High-integrity isolation

Trunnion Ball Valves

Our ball-valve portfolio includes Trunnion Mounted Ball Valves and advanced Zero-Leakage Metal-Seated Ball Valves engineered for reliable isolation in the most demanding service conditions.

Designed for superior performance in high-pressure, high-temperature, abrasive and corrosive applications, these valves provide exceptional durability, bubble-tight shutoff and reduced maintenance requirements.

Supported by globally recognized OEM partners and our local engineering expertise, our metal-seated ball valves are backed by an industry-leading four-year warranty, delivering long-term reliability and confidence.

Trunnion-mounted and metal-seated ball valves
Advanced sealing technology

Double, Triple-Offset & OCT Butterfly Valves

Our comprehensive range of Double-Offset, Triple-Offset and OCT Butterfly Valves is engineered to deliver reliable isolation and control in demanding process applications.

Designed for exceptional sealing performance, durability and operational efficiency, these valves are suitable for high-pressure, high-temperature and severe-service conditions across oil and gas, petrochemical, power and process industries.

Our patented OCT butterfly-valve technology introduces a fourth offset that provides tight shutoff up to Class 4 leakage. This enables the valve to perform both throttling and isolation functions within the same application.

Double-offset, triple-offset and OCT butterfly valves
Overpressure protection

High Integrity Pressure Protection Systems

AOS Orwell provides complete High Integrity Pressure Protection System packages designed to protect process facilities from overpressure while eliminating the need for conventional relief systems in suitable applications.

Engineered to meet stringent functional-safety requirements, our HIPPS solutions integrate high-integrity sensors, logic solvers and fast-acting shutdown valves to provide rapid and reliable isolation during abnormal operating conditions.

  • High-integrity pressure sensors and transmitters
  • Certified safety logic solvers
  • Fast-acting shutdown and isolation valves
  • Integrated testing, validation and functional-safety support
High Integrity Pressure Protection System
Complete valve portfolio

Other Isolation & Automated Valve Solutions

In addition to our primary control and isolation portfolio, we provide a broad range of specialized valves and automated valve solutions for demanding industrial and process applications.

These products can be configured with suitable manual, pneumatic, hydraulic or electric actuation systems and accessories to meet the required operating philosophy, shutdown time, control-system interface and safety classification.

  • Plug valves
  • Cryogenic valves
  • Pressure-seal valves
  • Forged-steel valves
  • Emergency Shutdown Valves
  • Double block and bleed valves
  • Diverter and switching valves
  • Coking and slurry valves
  • Complete automated valve solutions
Isolation and automated valve solutions
Why AOS Orwell

Engineered valve solutions for critical service

Our approach combines internationally recognized valve technology, experienced local engineering, lifecycle support and application-specific product selection.

✓ Precise pressure, flow and process-control capability
✓ Reliable emergency isolation and depressurization
✓ Severe-service solutions for temperature, abrasion and cryogenic applications
✓ Global OEM technologies supported by local engineering
✓ Broad material, pressure-class and connection options
✓ Manual, pneumatic, hydraulic and automated actuation solutions

Let’s Engineer Safer Flow Control — Together

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