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Air Compressors

Air Compressors

Equipment for Industrial Facilities and Production Plants Where Compressed Air or Gas is an Essential Utility. Northwest Pump has a full product line of the finest Compressed Air Systems brands.

Rotary Screw Compressors

SULLAIR has been offering energy efficient, single and two-stage, rotary screw air compressors ranging from 5HP-600HP since 1965. In addition to their durability, Sullair has stayed on the cutting edge of energy efficiency with their S-energy line of compressors offering variable speed drives, spiral valve capacity controls, and premium efficient motors. In addition, Sullair also manufactures high performance, rotary screw vacuum pumps from 5-200HP.

Sullair also offers a two-stage design 100-200HP Oil-Free compressors ranging from 428-801 icfm with the pressure of 100-150 psi with the choice of air or water-cooled. Rest easy with eConnect™ modern system monitoring allowing you to manage the health of your entire system of up to 16 compressors at once.

Air Treatment

SULLAIR products offer the latest technologies in refrigerated and regenerative air dryers. Standard sizes range from 15-10,500 CFM.
Sullair’s cycling refrigerated dryers feature energy efficient scroll technologies and low pressure drop heat exchangers. Sulliar’s complete line up of regenerative air dryers offers both price competitive heatless options, and lowest long term cost solutions such as externally heated, and blower purge technologies.
With Sullair’s Oil-Free Guaranteed air treatment packages, Sullair customer’s can enjoy the low maintenance and energy efficiency of an oil flooded compressor combined with air quality that surpasses the typical “oil free” compressor solution.

Two Stage Air-Cooled Compressors

SAUER COMPRESSORS USA high pressure compressors from 200-6000 psi. With a reputation for reliability, Sauer is a global leader in high pressure compressor technology and is the U.S. Military’s primary compressor supplier. Sauer has developed innovative product solutions for industrial applications providing customers with high-pressure compressors that have been field tested and refined to provide true 24/7 reliability.

Reciprocating Air-Cooled Compressors

SULLAIR Oil Free Series of air compressors utilizes proprietary rotary screw technology in providing 100% oil free air. Available in horsepower ranges from 100 to 350 hp (75 to 261 kW) Sullair OFS Series compressors are capable of providing pressures nominally rated from 100 to 150 psi (7 to 10 bar) – with flows from 400 cfm to over 1600. Each OFS compressor utilizes two-stage compression – and is available with or without Variable Speed Drive (VSD).

Sullair OFS Series compressors are the perfect choice for applications requiring completely oil free air, including:

  • Pharmaceuticals
  • Food and beverage manufacturing
  • Electronics
  • High-technology manufacturing
  • Textile manufacturing

Why Oil Free?

In many operations, compressed air comes into contact with items in the manufacturing process. When air purity is critical – oil free air is essential. Oil particulates in compressed air can contaminate downstream processes and production. Oil Free compressors eliminate potential contamination, as no oil or lubricant is introduced into the air compression process. Reduced risk of contamination helps improve your business operations and profitability.

OFS Air Ends

Unlike oil-flooded rotary screw compressors, Sullair OFS Series compressors introduce no oil into the compression stage. While maintaining the Sullair reputation for durable air ends, Sullair OFS Series compressors add specific elements to ensure 100% oil free operation.

  • High efficiency asymmetrical profile rotors are coated with FDA-approved food-grade PTFE to resist corrosion and extend life
  • Rotor housings are cast and jacketed to assure thermal stability
  • Air passages are coated with food-grade PTFE to resist corrosion
  • Sullair OFS Series compressors are independently certified for Class 0 Oil Free performance in accordance with ISO 8573-1.

Oil-less Scroll Air Compressors

SULLAIR OFC Series of air compressors utilizes scroll technology to provide 100% oil free air. 60Hz capacities from 12 to 118 acfm; pressures from 94 to 145 psig, 5-40 HP,(3.75-30 KW) oil less design ensures zero risk of oil entering the compression chamber.

Super quiet — noise levels as low as 56 dBA, May be installed at point-of-use, lowering installation and piping costs, no separate sound attenuated room required, extremely energy efficient — simple start-stop controls result in the least amount of energy used to meet required air demand. Very low maintenance, Minimal maintenance required until 10,000 hours of operation, no compressor lubricant means no regular oil changes, no top-offs, no filter changes.

Broad product offering includes many configurations to suit your application needs. Available in tank-mounted (60, 80 & 120 gal) and enclosed multi-module models available.

Positive Displacement Blower Packages

Gardner Denver offering 150 years of manufacturing experience for the “IQ” (Intensely Quiet design as low as 60 dBA) packaged system and well-known individual blower blocks you’ve come to know like CycloBlower®, HeliFlow®, TriFlow®, DuroFlow®, RBS®, and the Sutorbilt Legend® Industrial Blowers. Airflow up to 16,800 cfm, pressures up to 20 psi and 17’ Hg for vacuum. Tri Lobe models offer quiet, efficient shock-free operation with proven results. Heavy duty roller bearings take up to 100% radial forces while typically giving up to 100,000-hour bearing life.

Air Receivers

MANCHESTER TANK is a premier manufacturer of pressure vessels for the containment of propane, compressed air, and chemicals.
The broad product line includes Dept.of Transportation (DOT) approved steel and aluminum cylinders ranging in size from 5 to 420 pounds and American Society of Mechanical Engineers (ASME) approved carbon steel and stainless steel tanks ranging in size from 1 to 30,000 gallons.

Condensate and Oil/Water Separation

BEKO USA Drypoint® compressed air refrigerated dryers are engineered around the unique “VarioFlow” technology using a hot gas by-pass valve with a gas charged capsule operating independently of power or electronic support, providing a 100% stable dew point, zero maintenance and zero freeze-up for energy efficiency ranging from 10-5000 SCFM.Also offered in high PSI and high temp models. BEKOMAT® condensate and oil/water drain designed for electronically level-controlled condensate discharge in air systems from 100SCFM to 50K SCFM and working pressures to 915 PSIG for piston and rotary screw air systems.


WaterHog™ is a state-of-the-art, low-profile, pneumatically powered zero-loss drain trap ideal for compressed air systems up to 100 HP. Its unique design avoids small passages common on competitor products, ensuring clog-free operation. WaterHog™ is fully automatic, operating with no timer or manual settings. Because this new product is powered by compressed air, there is no need for electrical connections.

WaterHog’s™ sleek, low-profile design also fits where competitor products may not. Check with your utility to see if WaterHog™ qualifies for energy-saving incentives.


Unnecessary costs and damage during the generation of compressed air can only be avoided in an efficient way with amount-adjusted condensate drainage. Therefore, BEKOMAT condensate drains operate with a capacitive sensor. The intelligent electronics prevent compressed-air losses and minimize energy demand. As a result, the BEKOMAT often pays itself off within half a year already, in contrast to devices with timed drain valves.

Oil-Free Air Systems

SULLAIR offers energy efficiency advanced technology. Titanium impellers specifically designed to match the required airflow and pressure, contributing to energy savings. Low maintenance costs designed with many non-wearing internal components requiring minimal periodic maintenance. All moving parts are easily inspected by simply removing the horizontally-split gear cover. Titanium impellers provide strength while resisting corrosion and wear.

Sullair centrifugal compressors are the only offering in the industry to utilize this type of impeller material on standard compressor designs. Class 0 Oil-Free Air for applications where air purity is essential, including pharmaceuticals, food and beverages, electronics, automotive painting and textiles.

Under the ISO 8573-1 Class Zero certification, Sullair compressors are designed to operate oil-free, minimizing the risk of contaminating the process air or gas. T Series – flows to 11,700 cfm and the F Series – flows to 118,000 cfm. Centrifugal compressor technology will be a more efficient way to make high volume air at 350 HP and greater rotary screw.

Northwest Pump offers a variety of other products like this. Please reach out to our sales team for more information.