AW30-03BDE-2-D: SMC Modular Filter Regulator, with Automatic Drain and Pressure Gauge.

I. Model Designation and Basic Parameters

Model Structure:​ AW30-03BDE-2-D

Code	Meaning	Detailed Explanation
AW	Series Code	SMC AW series filter regulator
30	Body Size	30×30 combination size
03	Port Size	Rc 3/8″ port
B	Bracket Form	With mounting bracket
D	Drain Type	Float-type automatic drain (N.O./Normally Open)
E	Gauge Type	Square flush-mounted gauge with limit indicator
2	Set Pressure Range	0.05–0.85 MPa setting
D	Bowl Type	Metal bowl

Main Technical Parameters:

Feature	Specification	Practical Meaning
Body Size	30×30	Compact modular design
Port Size	Rc 3/8″	Standard industrial port
Set Pressure Range	0.05–0.85 MPa	Wide pressure adjustment range
Maximum Operating Pressure	1.0 MPa	Meets most industrial applications
Filtration Precision	5 µm	Precision filtration
Applicable Fluid	Compressed air	Industrial pneumatic systems
Operating Temperature	-5 to 60 °C	Suitable for general industrial environments
Condensate Retention Volume	25 cm³	Large capacity water storage
Bowl Material	Metal	Impact-resistant, corrosion-resistant
Protective Structure	Double-layer transparent cover	360° visibility, high IP rating

II. Structural Features and Working Principle

Structural Components:

• Filter Unit:​ Two-stage, three-step filtration structure to remove oil, water, dust, and other impurities.
• Regulator Unit:​ Diaphragm-type balanced structure for precise pressure regulation and stable output pressure.
• Automatic Drain:​ Float-type automatic drain with N.O. (Normally Open) design, discharging condensate when unpressurized.
• Pressure Gauge:​ Square flush-mounted pressure gauge with limit indicator, showing real-time output pressure.
• Bowl Unit:​ Metal bowl with a double-layer transparent protective cover offering 360° visibility and high protection rating.

Working Principle:

Compressed air enters the filter through the inlet, where oil, water, dust, and other impurities are removed via the two-stage, three-step filtration process. The clean air then enters the regulator chamber. The regulator senses the outlet pressure via the diaphragm, automatically adjusting the valve opening to maintain the outlet pressure at the set value. If the outlet pressure abnormally increases, a relief mechanism automatically vents pressure to protect downstream equipment. The automatic drain discharges condensate based on the water level in the bowl, keeping the system dry.

III. Core Advantages

1. Modular Design, Saves Space
   • Integrated filter and regulator saves space and piping.
   • Compact 30×30 size suitable for space-constrained installations.
   • Modular structure facilitates maintenance and component replacement.
2. Precision Filtration and Regulation
   • Two-stage, three-step filtration with 5 µm precision.
   • Diaphragm-type balanced structure ensures high regulation accuracy and stable output pressure.
   • Set pressure range of 0.05–0.85 MPa meets diverse application needs.
3. Automatic Drain and Pressure Display
   • Float-type automatic drain with N.O. design discharges condensate when unpressurized.
   • Square flush-mounted gauge with limit indicator shows real-time output pressure.
   • Double-layer transparent cover offers 360° visibility and high protection rating.
4. High Protection Rating and Durability
   • Metal bowl is impact-resistant and corrosion-resistant.
   • Double-layer transparent cover provides dust and water jet protection.
   • 25 cm³ condensate retention volume offers large water storage capacity.

IV. Typical Application Scenarios

1. Industrial Automation Pneumatic Systems
   • Provides stable, clean air supply for cylinders, solenoid valves, pneumatic actuators.
   • Pneumatic control circuits for packaging, assembly, and conveying systems.
2. Pneumatic Tools and Equipment
   • Air treatment for tools like wrenches, screwdrivers, sanders.
   • Pneumatic control systems for machine tools, presses, shears.
3. Precision Instruments and Measuring Equipment
   • Applications with high air purity requirements: measuring instruments, inspection equipment, spraying systems.
   • Precision pneumatic systems for laboratory analyzers, medical equipment.
4. Environmental and Energy Equipment
   • Air treatment for dust collectors, exhaust treatment systems, air compressor systems.
   • Centralized air supply systems like compressor stations, pneumatic control panels.

V. Installation and Usage Notes

Installation Points:

• Install according to the arrow on the body. Connect the IN port to upstream and OUT port to downstream.
• Vertical installation is recommended for easier drainage and gauge observation.
• Thoroughly blow out pipelines before installation to remove welding slag, metal chips, etc.
• Use the bracket for secure mounting to prevent vibration. Usage Precautions:
• Use clean, dry compressed air; avoid air containing oil, water, or impurities.
• Do not set pressure above 0.85 MPa to avoid overload and damage.
• Regularly check automatic drain operation to ensure timely condensate discharge.
• Regularly verify gauge indication is normal; address any anomalies promptly. Maintenance:
• Regularly inspect filter element contamination; clean or replace as needed.
• Regularly check seal condition; replace promptly if leaking.
• Regularly check automatic drain operation to ensure smooth drainage.
• Apply anti-corrosion treatment before long-term storage.

VI. Selection Recommendations

Suitable for choosing AW30-03BDE-2-D when:

• Integrated filtration and pressure regulation is required.
• Space is constrained, requiring a compact design.
• Automatic drain and pressure display are needed.
• The environment requires dust and water protection. Selection Calculation Reference: Select the appropriate body size and port size based on factors like system flow, operating pressure, and filtration precision. Generally, choose body size based on maximum system flow, port size based on pipeline connection, and set pressure range based on operating pressure.

VII. Summary

AW30-03BDE-2-D is a modular filter regulator integrating filtration, pressure regulation, automatic drainage, and pressure display. It features compact design, precise pressure regulation, automatic drainage, and high protection rating. Its 30×30 compact size, Rc 3/8″ port, 0.05–0.85 MPa adjustment range, and 5 µm filtration precision make it an ideal choice for industrial automation, pneumatic tools, precision instruments, and other fields. With proper selection, correct installation, and regular maintenance, this valve can provide long-term stable operation, delivering a reliable air supply treatment solution.

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