Compressed Air Stabilizing Regulator SMC AR625-10G with Gauge Rc1" Pilot Relief Valve

Product Description:

The SMC AR425 to AR935 series represents a range of internally pilot-operated, relieving-type air pressure regulators specifically engineered for heavy-duty industrial compressed-air systems. These regulators are ideal in applications where maintaining a stable outlet pressure and ensuring a high flow capacity are critical. Unlike traditional direct-acting regulators, the pilot-operated design utilizes the supply air itself to control the main valve. This mechanism results in enhanced pressure regulation accuracy, smoother flow characteristics, and reduced fluctuations in outlet pressure even when there are variations in the inlet pressure.

This product line includes 12 popular part numbers spanning four sub-series: AR625, AR635, AR825, and AR835. The port sizes available range from Rc 3/4" up to Rc 1-1/2", providing options to suit different system requirements. Additionally, two distinct pressure ranges are offered: one from 0.05 to 0.83 MPa (referred to as the 25 type) and a low-pressure range from 0.02 to 0.2 MPa (known as the 35 type). Certain units labeled with a "G" feature a panel pressure gauge for convenient monitoring, while a mounting bracket, model B25P, is available as an optional accessory.

These regulators are widely adopted across various industrial settings, including compressor stations, central compressed-air distribution lines, automated production lines, pneumatic manipulators, and OEM machine assemblies. Their robust design and reliable performance make them a popular choice for ensuring efficient and stable compressed-air system operation.

Features:

The regulator features a pilot-operated design that provides a much more stable outlet pressure compared to direct-acting regulators. This design is highly resistant to fluctuations in the inlet pressure, ensuring consistent performance.

Equipped with an internal relieving mechanism, the regulator automatically vents any excess outlet pressure to the atmosphere. This function helps maintain a constant pressure in the downstream line, enhancing operational safety and reliability.

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

Two adjustable pressure ranges are available to meet different application needs: a standard range from 0.05 to 0.83 MPa (model 25), and a low-pressure precision type spanning 0.02 to 0.2 MPa (model 35).

The regulator supports multiple port sizes including 3/4", 1", 1-1/4", and 1-1/2". Additionally, various thread options such as Rc (PTF), NPT (F), and G threads can be provided upon request to fit diverse piping requirements.

For enhanced usability, an optional pressure gauge (denoted by the suffix G, part of the G46 series) is available, along with a mounting bracket (B25P). These accessories allow for clear local pressure read-out and facilitate easy retrofitting.

A locking screw is incorporated on the adjusting handle to prevent accidental adjustments. This feature ensures the pressure setting remains stable and eliminates the risk of unwanted pressure drift after the regulator is configured.

Technical Parameters:

Applications:

Air compressor stations and central FRL units, which stand for filter–regulator–lubricator assemblies, play a crucial role in maintaining the quality and reliability of compressed air systems.

Pressure regulation is essential on branch lines for automated assembly, packaging, and conveying systems, ensuring consistent performance across various manufacturing processes.

Pneumatic actuators, including air cylinders, grippers, pneumatic chucks, and vacuum generators, are widely used to perform precise and efficient mechanical movements within industrial applications.

Various equipment such as machine tools, welding booths, spray painting stations, air blow-off areas, and purging points rely heavily on controlled pneumatic systems to enhance operational efficiency and safety.

Original equipment manufacturer (OEM) machines in sectors like food and beverage, textile, electronics, semiconductor, and packaging industries utilize pneumatic components for improved automation and productivity.

Furthermore, secondary pressure reduction and precision control are implemented on high-flow centralized air mains to optimize system performance and maintain stable pressure levels.

Support and Services:

For technical support and services related to SMC Solenoid Valves, we provide comprehensive assistance to ensure optimal performance and reliability of your products. Our expert team offers guidance on product selection, installation, maintenance, and troubleshooting to help you achieve efficient operation in your applications.

We also provide detailed product documentation, including datasheets, manuals, and application guides, to support your understanding and effective use of SMC Solenoid Valves. Should you require specialized services such as custom configurations or repairs, our technical support team is ready to assist.

To maximize the lifespan and performance of your solenoid valves, we recommend regular maintenance and adherence to the specified operating conditions outlined in the product manuals. Our support services are designed to minimize downtime and enhance your system’s productivity.

Please consult our online resources or contact our technical support department for further assistance with your SMC Solenoid Valves.

Packing and Shipping:

Each SMC Solenoid Valve is carefully packaged to ensure maximum protection during transit. The valves are individually packed in anti-static bags and cushioned with foam inserts to prevent any damage. The packaging materials are designed to withstand shocks, vibrations, and environmental factors, ensuring the product arrives in perfect condition.

For shipping, SMC Solenoid Valves are securely placed in sturdy cardboard boxes, labeled with handling instructions and product details. We offer multiple shipping options to accommodate different delivery timeframes and destinations. All shipments include tracking information and are handled by reliable carriers to guarantee timely and safe delivery.

Bulk orders are palletized and shrink-wrapped for additional stability during transportation. Our logistics team ensures that all customs documentation and regulatory requirements are met for international shipments, facilitating smooth clearance and delivery.

Customer satisfaction is our priority, and we strive to provide packaging and shipping services that maintain the integrity and quality of every SMC Solenoid Valve.