Roots Rotary Lobe PD Blowers

Republic offers a full line of Roots Rotary Lobe Positive Displacement Blowers and Roots PD Packages. Roots blowers are known for their robustness and reliability, providing air flow regardless of pressure changes, making them suitable for challenging environments and demanding operations.

Roots PD blowers are designed for medium to high-pressure applications that require airflows up to 4,800cfm, pressures up to 18PSI, and vacuum down to 16"HgV. Roots blowers feature a compact and sturdy design, engineered for continuous use with exceptional reliability, and are ideal for demanding industrial applications, such as pneumatic conveying, wastewater treatment, and vacuum packaging. Their robust construction ensures long-lasting performance, while their efficient operation minimizes maintenance needs and downtime.

Roots Blowers

URAI | RAM RCS | GAS | FLO

Compact and durable, these individual blowers can be used across hundreds of industrial applications where reliability and durability are mission-critical.

Roots Pressure Packages

Republic's Pressure Packages provide efficient and reliable solutions for applications requiring consistent and high-pressure airflow. These packages are designed to deliver optimal performance in various industrial processes such as wastewater aeration and pneumatic conveying.

Enclosed Roots Pressure Packages

Our Enclosed Pressure Packages offer the same high performance as our standard pressure packages but with the added benefits of noise reduction and enhanced safety. The enclosed design protects the blower components and reduces operational noise.

Roots Vacuum Packages

Republic’s Vacuum Packages are engineered to provide reliable and efficient vacuum solutions for various industrial applications. These packages ensure consistent vacuum performance, essential for tasks such as material handling, food and beverage processing, and pneumatic conveying.

Enclosed Roots Vacuum Packages

The Enclosed Vacuum Packages from Republic combine the efficiency and reliability of our vacuum packages with the added advantages of an enclosed system. This design reduces noise, enhances safety, and protects the components from external elements.

Rotary Lobe Vacuum Hold-Down Kits

Republic’s Vacuum Hold-Down Kits (VHK) are designed to provide secure and efficient material hold-down solutions for applications such as CNC woodworking and fabric cutting. These kits eliminate the need for traditional work-holding methods, ensuring precision and efficiency in your fabrication processes.

A Roots rotary lobe positive discplament blower, or PD blower, is a machine that "pushes" a relatively constant volume of the gas handled at the inlet through the discharge. It doesn't internally compress the gas, so it isn't considered a compressor. The amount of gas the machine handles is fixed by the configuration of the casing and rotating parts.

Flow through a PD machine is relatively constant, regardless of pressure changes. This is different from a centrifugal compressor, which maintains a relatively constant pressure while the flow varies.

As the dual, figure-8 shaped impellers rotate, a fixed quantity of gas (or air) at the inlet is trapped between the impeller and the casing parts. With each revolution, four of these "pockets" of gas are trapped, then forced out the discharge against whatever pressure exists in the system.

When each of these pockets is expelled, a pulse is generated, which imposes a certain shock load on the blower and the downstream system. A ROOTS improvement on the basic PD design is the Whispair Blower. It lets the gas in the pocket pressurize slowly to discharge conditions via the internal "jets." This significantly reduces pulsations and shock load on the equipment.