RELEABEL Solutions
Filter and Pressure Regulators for Stable Valve Control Systems
Air quality and pressure stability are critical for reliable actuator performance, control accuracy, and safety system operation
At Nordenflow, we supply filter and pressure regulator solutions designed to ensure stable air supply, consistent pressure control, and reliable actuator performance across control and safety systems.
Air quality and pressure stability directly influence the performance of solenoid valves, actuators, and positioners. Inconsistent supply can lead to unstable control loops, delayed response, and premature equipment wear.
Our solutions include components from IMI Norgren & IMI Maxseal, selected based on system requirements, reliability, and operating conditions.
When You Need Filter and Pressure Regulators
Filter and pressure regulators are required when air supply quality and pressure stability directly affect valve performance, control accuracy, and system reliability.
When control valves show unstable or inconsistent behavior due to fluctuating air pressure.
When actuator response is slow or delayed, affecting shutdown or control performance.
When air contamination (moisture, particles, oil) leads to valve sticking, wear, or failure.
When solenoid valves fail to operate reliably due to poor air quality or pressure inconsistency.
When frequent maintenance or component replacement is required due to air-related issues.
Common in control and safety systems across oil & gas, LNG, power, marine, and process industries where reliable air supply is critical.
What We Supply
We supply filter and pressure regulator solutions designed to ensure clean air supply, stable pressure control, and reliable operation of valve automation systems.
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Air Filtration Units
Removal of particles, moisture, and contaminants to protect solenoid valves, actuators, and control components.
Pressure Regulators
Precise pressure control to maintain stable actuator performance and consistent system response.
Filter-Regulator (FR) Units
Combined filtration and pressure regulation solutions for compact installation and simplified system design.
High-Performance Industrial Units
Designed for demanding environments requiring reliability, corrosion resistance, and stable operation.
System Integration
Integration with valve automation systems including solenoid valves, actuators, and positioners.
Replacement and Upgrade Solutions
Solutions for replacing existing units or upgrading systems to improve performance and reliability.
Stable air supply is a fundamental requirement for reliable valve automation. Improper filtration or pressure control can affect the entire system, not just individual components.
System Configurations and Performance Specifications
Available Configurations
Filter units, pressure regulators, and combined filter-regulator (FR / FRL) configurations.
High-pressure regulator versions available for demanding applications up to 700 bar.
Filtration Performance
Standard filtration at 5 µm, with optional fine filtration down to 1 µm and coalescing elements for oil and moisture removal.
Pressure Range
Operating range from 0–16 bar for standard applications, with high-pressure solutions up to 700 bar.
Flow Capacity
Flow rates up to 5000 l/min, supporting a wide range of actuator sizes and system requirements.
Materials and Construction
Body materials include aluminum, stainless steel (SS316), and brass, selected based on environmental and corrosion requirements.
Bowl and Protection Options
Polycarbonate bowls for standard applications and metal bowls for hazardous or high-risk environments.
Mounting Options
Bracket-mounted or manifold configurations for flexible installation and system integration.
Condensate Drain Options
Manual or automatic drain systems for effective removal of accumulated moisture and contaminants.
Technical Features
Pressure Adjustment Range: 0.1–10 bar (standard), up to 40 bar, high-pressure versions up to 700 bar
Accuracy: ±1% of full scale
Operating Temperature: –40°C to +80°C (material dependent)
Port Sizes: 1/4″ – 1/2″ BSP / NPT
Filtration Levels: 1 / 5 / 25 µm
Drain Type: Manual or automatic condensate drain
Mounting Options: Panel, bracket, or manifold installation
Standards: ISO 8573, ATEX, CE, RoHS (model dependent)
Engineering Scope
Proper selection of filter and pressure regulators is essential to ensure stable air supply, consistent actuator performance, and reliable operation of control and safety systems.
Pressure Stability and Control
Regulator selection must ensure stable downstream pressure under varying flow demand to avoid actuator instability and control loop fluctuation.
Air Quality and Filtration Level
Filtration grade (µm level) must be selected based on system sensitivity to particles, moisture, and oil contamination.
Flow Capacity and Demand
Flow rate must match actuator consumption to prevent pressure drop and ensure consistent valve response.
Moisture and Condensate Management
Proper drainage and filtration are required to control condensate and avoid corrosion, freezing, or internal damage.
Environmental and Installation Conditions
Temperature, hazardous area classification, and installation constraints influence material selection and configuration.
System Integration
Integration with solenoid valves, actuators, and positioners must ensure consistent air supply across the entire valve automation system.
Check Your Air Supply Before Replacing Valves
Many valve performance issues are caused by unstable pressure or poor air quality. Share your system details to identify whether filtration or pressure regulation is affecting your control or safety performance.
• Type of actuator and valve configuration
• Air supply pressure and stability conditions
• Observed issues (instability, slow response, sticking)
• Existing filtration and regulator setup
• Environmental conditions (temperature, hazardous area)
• Maintenance history and failure patterns