Precision Low Pressure Air Regulator with Gauge Rc3/4" 0.02-0.2 MPa SMC AR635-06G

Product Description:

The SMC AR425 to AR935 series represents a line of internally pilot-operated, relieving-type air pressure regulators. These regulators are specifically engineered for demanding industrial compressed-air systems that require both stable outlet pressure and high flow capacity. Unlike direct-acting regulators, these pilot-operated models utilize the supply air itself to control the main valve. This design provides enhanced pressure regulation accuracy, smoother flow characteristics, and minimizes fluctuations in outlet pressure even when there are changes in the inlet pressure.

This product range includes 12 commonly used part numbers spread across four sub-series: AR625, AR635, AR825, and AR835. The available port sizes range from Rc 3/4" up to Rc 1-1/2". Customers can choose between two pressure ranges depending on their needs: 0.05–0.83 MPa, known as the 25 type, and 0.02–0.2 MPa, referred to as the 35 low-pressure type. Models marked with a "G" come equipped with a panel pressure gauge, while the mounting bracket B25P is available as an optional accessory.

These regulators are extensively utilized in various applications such as compressor stations, central compressed-air lines, automated production lines, pneumatic manipulators, and OEM machine packages. Their robust design and reliable performance make them a preferred choice for maintaining precise air pressure regulation in industrial environments.

Features:

The regulator features a pilot-operated design, which ensures a much more stable outlet pressure compared to direct-acting regulators. This design also makes it insensitive to fluctuations in inlet pressure, enhancing overall performance and reliability.

It is an internal relieving type, meaning it can automatically release any excess outlet pressure to the atmosphere. This function helps maintain a constant pressure in the downstream line, preventing pressure buildup and ensuring safety.

The body is made from die-cast aluminum and includes a protected bonnet and chamber. This construction results in a lightweight product with excellent heat dissipation properties, making it well-suited for demanding factory floor environments.

Two adjustable pressure ranges are available to accommodate different applications: 0.05 to 0.83 MPa (model 25) and 0.02 to 0.2 MPa (model 35 low-pressure precision type). This versatility allows users to select the best fit for their specific pressure requirements.

Various port sizes are offered, including 3/4", 1", 1-1/4", and 1-1/2". Additionally, customers can request different thread options such as Rc (PTF), NPT (F), and G threads to match their piping standards.

For better usability, an optional pressure gauge (G suffix, G46 series) and mounting bracket (B25P) are available. These accessories provide clear local pressure readings and simplify installation or retrofitting processes.

A locking screw is included on the adjusting handle to prevent accidental tampering. This feature helps maintain the set pressure without drift, ensuring stable and reliable operation over time.

Technical Parameters:

Applications:

Air compressor stations and centralized FRL (filter–regulator–lubricator) units play a crucial role in maintaining the efficiency and reliability of pneumatic systems. These units ensure that compressed air is properly filtered, regulated, and lubricated before being distributed throughout the network.

Branch pressure regulation is essential for automated assembly, packaging, and conveying lines. By controlling the pressure at different branches, the systems can operate smoothly and maintain consistent performance across various stages of the production process.

Pneumatic actuators encompass a variety of components, including air cylinders, grippers, pneumatic chucks, and vacuum generators. These devices convert compressed air energy into mechanical motion, enabling precise and efficient operation in numerous industrial applications.

In addition, pneumatic systems are extensively used in machine tools, welding booths, spray painting stations, air blow-off points, and purging areas. These applications benefit from the clean, reliable, and controllable power provided by compressed air for tasks such as clamping, coating, cleaning, and purging.

Original Equipment Manufacturer (OEM) machines in the food and beverage, textile, electronics, semiconductor, and packaging industries also rely heavily on pneumatic technology. Air-driven components enhance automation, improve process control, and ensure hygiene and safety standards are met in these specialized sectors.

Moreover, secondary pressure reduction and precision control are critical on high-flow centralized air mains. By managing the pressure accurately, these systems can support diverse equipment requirements while optimizing energy efficiency and prolonging the lifespan of pneumatic components.

Support and Services:

SMC provides comprehensive technical support and services for its Solenoid Valves to ensure optimal performance and customer satisfaction. Our expert team is available to assist with product selection, installation guidance, troubleshooting, and maintenance advice. We offer detailed product documentation, including datasheets, manuals, and CAD drawings, to support your engineering and operational needs. Additionally, SMC delivers customized solutions and application support to meet specific requirements. For service and repair, we provide authorized maintenance and replacement parts to maximize valve longevity and reliability. Trust SMC for professional technical assistance and high-quality service throughout the lifecycle of your solenoid valve products.

Packing and Shipping:

All SMC Solenoid Valves are carefully packaged to ensure maximum protection during transit. Each valve is individually sealed in anti-static and moisture-resistant packaging to prevent any damage or contamination. The products are then securely placed in sturdy, shock-absorbent boxes designed to withstand handling and shipping conditions.

For shipping, we use reliable carriers that provide tracking and timely delivery services. Each shipment includes detailed documentation such as packing lists and instruction manuals to facilitate easy identification and installation. We also offer customized packaging solutions for bulk orders to meet specific customer requirements.

Our commitment to quality packaging and shipping ensures that every SMC Solenoid Valve reaches you in perfect condition, ready for immediate use in your applications.