Rectus Quick-Connect Couplings for Air, Fluid, and Hydraulic Systems
Make Faster, More Reliable Connections Across Demanding Applications
Rectus quick-connect couplings help reduce connection time, simplify maintenance, and support secure media transfer across pneumatic, fluid, and light hydraulic systems. With options ranging from compact micro couplers to larger one-inch connections, Rectus products help solve challenges involving limited space, material compatibility, pressure requirements, and frequent equipment changeovers.
Through All Air Inc., customers can access Rectus couplings in brass, stainless steel, POM, and PVDF, with multiple sizes, connection styles, and material options to match the demands of each application.
Ideal for applications that require:
- Fast connection and disconnection of air or fluid lines
- Compact couplings for space-constrained equipment
- Corrosion-resistant materials for demanding environments
- Reliable performance across different pressures and media
- Multiple sizes and connection options for system compatibility
Explore Rectus Quick-Connect Couplings and Connection Solutions
Low-Pressure Couplings for Safe, Reliable Media Connections
Brass and Steel Couplings
Durable brass and steel couplings support general industrial applications that require dependable connection performance and multiple shut-off options.
Available configurations include:
- Single shut-off
- Double shut-off
- Dry-break
Stainless Steel Couplings
Stainless steel couplings provide corrosion resistance and low leakage for sensitive applications such as analysis equipment, cooling circuits, transport systems, and aggressive media handling.
Available configurations include:
- Single shut-off
- Double shut-off
- Dry-break
Thermoplastic Couplings
Rectus thermoplastic couplings provide lightweight, corrosion-resistant connection options for chemicals and other media where metal compatibility may be a concern.
RectuChem
RectuChem PVDF couplings provide increased chemical resistance and dependable locking performance for aggressive media applications.
RectuChem+
RectuChem+ couplings use PVDF, PEEK, and compatible sealing materials to support highly corrosive media and applications where metal contamination must be avoided.
RectuPom
RectuPom thermoplastic couplings combine mechanical strength, temperature resistance, and simple push-to-connect operation for liquid-handling applications.
Safety Couplings
Rectus safety couplings help protect personnel and equipment by reducing accidental disconnection and controlling trapped compressed air during uncoupling.
Available configurations include:
- Single shut-off
- Double shut-off
- Self-venting
Self-Venting Couplings
Rectus self-venting couplings automatically release trapped compressed air before disconnection, helping reduce hose whip and improve operator safety.
Breathing Air Couplings
The Rectus 96KS breathing air coupling uses a safety-lock design that requires the plug to be pushed inward before release, helping prevent unintended disconnection.
Thermo-Oil Couplings
Rectus thermo-oil couplings combine high-temperature seals, flat-face construction, stainless steel materials, and single-hand operation for clean, dependable connections in heat-transfer oil systems.
Pneumatic Valves for Reliable Airflow and System Control
AIGNEP pneumatic valves manage airflow direction, pressure, and timing to keep automated systems operating smoothly and consistently.
When valve response is unstable or inconsistent, it can cause sequencing issues, pressure drops, and reduced machine efficiency. AIGNEP valves are built to support dependable operation across a wide range of industrial applications.
Valve types include:
- Manual and mechanical valves
- Pneumatic and solenoid pilot valves
- VDMA and Namur valves
- Micro valves for fine control applications
- Push button, selector, and pedal valves
Medium-Pressure Couplings for Demanding Hydraulic and Pneumatic Systems
High-Pressure Couplings for Extreme Operating Conditions
Self-Venting Couplings for Safer, Quieter Pneumatic Connections
Coded Coupling Systems for Error-Free Media Connections
Rectus coded coupling systems help prevent incorrect line connections by using matched mechanical codes and colors for each coupling and plug, reducing the risk of media mix-ups and improving system safety.
Key features include:
- Four standard coding options
- Matching colors for couplings and plugs
- Helps prevent cross-connection of different media
- Supports clearer line identification
- Improves safety in multi-media systems
Measuring Systems for Accurate Compressed Air Flow Monitoring
Rectus measuring systems help facilities monitor compressed air consumption, verify system performance, and identify opportunities to reduce waste or improve airflow.
RectuTest RT02
The RectuTest RT02 measures compressed air flow through pipelines, providing current volume-flow data with an accuracy of approximately 2.5% of the measured value.
Key benefits include:
- Measures compressed air volume flow
- Helps verify system demand and performance
- Supports compressed air efficiency assessments
- Provides approximately 2.5% measurement accuracy
- Suitable for pneumatic system monitoring and troubleshooting
Clean-in-Place Couplings for Hygienic, Low-Residue Connections
Rectus clean-in-place couplings help reduce trapped cleaning agents and process media, supporting more effective sanitation in pipelines, tanks, and production equipment with strict hygiene requirements.
314KB Series
The Rectus 314KB Series is designed with minimal dead space and an open flow path that supports repeated cleaning cycles and pigging processes, helping remove residual media and reduce contamination risk.
Key features include:
- Designed for clean-in-place applications
- Minimal dead space to reduce trapped residue
- Open internal flow path for easier cleaning
- Suitable for pigging processes
- Maximum static working pressure of 10 bar
- Temperature range from -40°C to 150°C with EPDM seals, depending on the medium
- FKM and FFKM seal options available
Quick Couplings for Fast, Low-Restriction Connections
Rectus quick couplings are designed for one-hand operation, helping operators connect and disconnect air or fluid lines quickly while maintaining secure engagement, strong flow, and low pressure drop.
Key features include:
- UltraFlo valve design for high flow and reduced pressure loss
- One-hand operation for faster connection
- Optimized plug guidance for secure insertion
- Multiple interchange profiles and nominal diameters
- Options for standard, high-flow, safety, and thermoplastic applications
Available profiles and series include:
- ARO profile, ND 5.5 (Series 14 and Series 22)
- ARO profile, ND 9 (Series 40)
- Industrial Interchange, High Flow (Series 21 (Series 23, Series 30)
- ISO 6150 B Profile (Series 24, Series 1423)
- ISO 7241-B profile, ND 4.3-20 (Series 71 to 76)
- ISO B profile, ND 5.5 (Series 18, Series 23, Series 24, Series 1400 and Series 1423)
- ISO B profile, ND 8.5 (Series 30, Series 84)
- ISO B profile, ND 11 (Series 37)
- ISO C profile, ND 3 (Series 303)
- Mini Industrial, ND 1.5 (Series 02)
- Safety Quick Couplings, ISO C profile, ND 5,5 to 8 (Series 18KP, Series 84KP)
- Thermoplastic, ISO 7241-1 Series B Profile (Series 70)
- European Profile, ND 2.7 (Series 20)
- European profile, ND 5 (Series 21)
- European Profile, ND 7.2 (Series 26)
- European Profile, ND 7.8 (Series 25, Series 1600, Series 1625)
- European Profile, ND 10 (Series 27, Series 1700, Series 1727)
Hoses and Tubing for Flexible, Durable Media Routing
Have a Challenge? Let’s Find the Right Automation Solution.
Need help replacing a component, improving machine performance, or choosing the right product for your application? All Air Inc. helps customers solve pneumatic automation, motion control, sensing, machine safety, robotics, and industrial equipment challenges with trusted manufacturer partnerships, technical product knowledge, and responsive application support.
