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The SMC AW20-N02-CZ is a combination filter and regulator designed to minimize space and simplify piping in compressed air systems. It integrates both filtration and pressure regulation functions into a single compact unit.
Les característiques clau inclouen:
- Modular design for integration with other air preparation units.
- Integrated filter and regulator for space and piping efficiency.
- Relieving type regulator with a push-down locking adjustment knob.

Figure 1: SMC AW20-N02-CZ Filter/Regulator. This image shows the complete unit, including the pressure adjustment knob at the top, the main body with inlet and outlet ports, and the transparent polycarbonate bowl at the bottom for condensate collection.
Especificacions tècniques
| Especificació | Valor |
|---|---|
| Número de model | AW20-N02-CZ |
| Element de filtre | 5 micres |
| Material del bol | Polycarbonate with Bowl Guard |
| Tipus de drenatge | Desguàs manual |
| Tipus de regulador | Relieving Type |
| Set Pressure Range | 7.25 - 123 psi |
| Caudal | 28 scfm |
| Mida del port | 1/4" NPT |
| Dimensions del producte | 0.24 x 0.08 x 0.08 polzades |
| Pes | 7.2 unces |

Figure 2: Technical drawing with dimensions for the SMC AW20-N02-CZ Filter/Regulator. This diagram provides detailed measurements from top, front, and side views, essential for installation planning and compatibility checks.
Instal·lació i Configuració
Proper installation is crucial for the optimal performance and longevity of the SMC AW20-N02-CZ filter/regulator. Follow these steps carefully:
- Preparació: Ensure the compressed air supply is turned off and depressurized before beginning installation. Wear appropriate personal protective equipment.
- Muntatge: Mount the unit vertically with the bowl facing downwards. Use appropriate mounting brackets (not included) to secure the unit firmly to a stable surface. Ensure there is sufficient clearance below the bowl for manual draining.
- Connexió de canonades: Connect the compressed air inlet line to the port marked "IN" and the outlet line to the port marked "OUT". Use thread sealant (e.g., PTFE tape) on all threaded connections to prevent leaks. Ensure all connections are tight but do not overtighten. The port size is 1/4" NPT.
- Direction of Flow: Verify that the air flow direction matches the arrow indicated on the unit's body. Incorrect flow direction will impair performance.
- Configuració de la pressió inicial: With the air supply still off, turn the pressure adjustment knob counter-clockwise to fully relieve any residual pressure.
Funcionament
Once installed, the SMC AW20-N02-CZ is ready for operation. Follow these instructions to adjust and monitor the air pressure:
- Turning On Air Supply: Slowly open the main air supply valve to pressurize the system.
- Ajust de pressió:
- Pull up the pressure adjustment knob to unlock it.
- Turn the knob clockwise to increase the regulated pressure.
- Turn the knob counter-clockwise to decrease the regulated pressure.
- Monitor the pressure gauge (if installed separately, as this model does not include one) to set the desired output pressure within the 7.25 - 123 psi range.
- Once the desired pressure is set, push the knob down to lock it in place. This prevents accidental pressure changes.
- Drenatge de condensats: The polycarbonate bowl will collect moisture and contaminants. Regularly check the bowl for accumulated condensate.
Manteniment
Regular maintenance ensures the continued efficiency and reliability of your filter/regulator unit.
- Manual Drain Operation:
- To drain accumulated condensate, turn the manual drain valve at the bottom of the bowl counter-clockwise.
- Allow all collected liquid to drain completely.
- Once drained, turn the valve clockwise to close it securely.
- Perform this drainage regularly, or whenever the condensate level approaches the maximum fill line on the bowl.
- Neteja de bols: If the polycarbonate bowl becomes discolored or excessively dirty, it can be removed and cleaned.
- Depressurize the system completely before attempting to remove the bowl.
- Unscrew the bowl from the main body.
- Clean the bowl with warm soapy water. Do not use solvents or harsh chemicals, as these can damage the polycarbonate material.
- Inspect the O-ring seal for any damage or wear. Replace if necessary.
- Reattach the bowl, ensuring it is securely tightened to prevent leaks.
- Substitució de l'element filtrant: The 5-micron filter element should be replaced periodically, depending on air quality and usage. A noticeable drop in flow or pressure, or excessive contamination, indicates a need for replacement. Refer to SMC documentation for specific replacement part numbers and procedures.
Resolució de problemes
This section provides solutions to common issues you might encounter with your SMC AW20-N02-CZ filter/regulator.
| Problema | Causa possible | Solució |
|---|---|---|
| No air flow or very low pressure output. |
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| Pressure fluctuates or cannot be set. |
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| Air leaks from the unit. |
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| Excessive moisture in output air. |
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Garantia i Suport
For specific warranty information regarding the SMC AW20-N02-CZ Filter/Regulator, please refer to the documentation provided at the time of purchase or visit the official SMC website. SMC products are typically covered by a standard manufacturer's warranty against defects in materials and workmanship.
If you require technical assistance, replacement parts, or have questions not covered in this manual, please contact SMC customer support:
- Oficial de SMC Weblloc: www.smcusa.com
- Informació de contacte: Refer to the "Contact Us" section on the SMC weblloc web per obtenir números de telèfon i assistència per correu electrònic a la vostra regió.
When contacting support, please have your product model number (AW20-N02-CZ) and any relevant purchase details ready.





