Question 1

How do I size an industrial air compressor?

Accepted Answer

Size a compressor by the total CFM (cubic feet per minute) your tools and equipment require at their operating PSI, then add roughly 30% headroom for future growth and to avoid running the unit at 100% duty. Add the CFM of every tool that may run simultaneously, match the required pressure (most shop applications run 90-125 PSI), and confirm your available electrical supply (voltage and phase). A1 Compressor Warehouse offers free sizing support to match the right compressor to your application.

Question 2

What is the difference between oil-free and oil-lubricated air compressors?

Accepted Answer

Oil-lubricated compressors use oil to lubricate and seal the compression element, offering long life and lower cost for general industrial use, but they require oil changes and can carry trace oil into the air. Oil-free compressors deliver Class 0 air with no oil in the airstream, which is essential for medical, dental, food, electronics, and pharmaceutical applications where any oil contamination is unacceptable. Anest Iwata oil-free scroll compressors are a common choice for these clean-air needs.

Question 3

What size air compressor do I need for air tools?

Accepted Answer

Check the CFM requirement for each air tool and add the CFM of all tools that will run at once, then add about 30% headroom. Light tools like impact wrenches need 3-5 CFM, while continuous-demand tools like sanders or grinders can need 8-12 CFM or more. For most professional shops a two-stage compressor in the 5-10 HP range covers a single-bay operation; larger shops and production lines typically move to rotary screw compressors for continuous duty.

Question 4

Is A1 Compressor Warehouse an authorized dealer?

Accepted Answer

Yes. A1 Compressor Warehouse is an authorized dealer for Atlas Copco, Anest Iwata, Mattei, Schulz, and EL-AV. Every product ships with genuine OEM parts and full manufacturer warranty. We serve customers nationwide with fast US shipping and provide service in the Carolinas.

Question 5

What is the difference between a rotary screw and a reciprocating air compressor?

Accepted Answer

Reciprocating (piston) compressors are ideal for intermittent use and lower-duty applications, delivering high pressure at a lower upfront cost. Rotary screw compressors are built for continuous duty, running cooler and quieter with steadier air delivery, which makes them the standard for shops and plants that use air throughout the day. Variable-speed (VSD) rotary screw models further cut energy costs by matching output to demand.

Question 6

Do air compressors come with a warranty and shipping?

Accepted Answer

Yes. All compressors sold by A1 Compressor Warehouse include the full manufacturer warranty and genuine OEM parts. We ship nationwide across the United States, offer same-day quotes, and provide expert sizing support to help you select the right unit before you buy.

Model	WEDA L80N
Series	WEDA Slurry (L)
Horsepower	20 HP
Max Flow	790 gpm
Max Head	103 ft
Shaft Speed	1750 rpm
Rated Output	15 kW
Max Power Input	16.1 kW
Discharge	4" ANSI
Max Solids	1"
Specific Gravity	up to 1.5
pH Range	4 to 10
Weight	689 lb
Height	42.5 in
Width	22.8 in
Diameter	19.5 in
Warranty	12 months from start-up / 18 months from receipt (whichever comes first)
Country of Origin	Sweden / China assembly

Brand	Atlas Copco
Model #	WEDA L80N
Mfr Part #	8381070304
Horsepower	20 HP
CFM	790 gpm
Voltage	460-3-60, ANSI 4",CL, PC
Weight	689 lb
Dimensions	42.5" H x 22.8" W x 19.5" dia
Warranty	12 months from start-up / 18 months from receipt (whichever comes first)
Country of Origin	Sweden / China assembly

Atlas Copco WEDA L80N Submersible Slurry Pump

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