Open Air Compressor

Both of the compressors have an automatic unloading arrangement on the first and second
stage valves which operate when the compressors start and stop. This allows the compressors
to start and stop off load so reducing the loading on the electric motor and the wear and tear on
the drive train.
Piston

A piston aids in the transformation of heat energy into mechanical work and vice versa.
Because of this, pistons are a key component of heat engines. Pistons work by transferring the
force output of an expanding gas in the cylinder to a crankshaft, which provides rotational
momentum to a flywheel.
Air Filter

Here we, Sollant produce many types of screw air compressor air filter: Original accessories of
air compressor, 5-10 micron filtering precision, pleated paper filter media, filtration efficiency ≥
98.60%, 2000-2500h service life. We can customize the air compressor parts for you according
to the actual demand of customers.

Air compressor filters are also known as air line filters, and they are used in condensed air lines
to prevent the entry of liquid and solid contaminants into the air compressor. In other words,
they are a way of maintaining the air compressor from damage caused by contaminants.A cubic
foot of compressed air may have millions of dirt, oil, and water particles. Depending on where
you use your air compressor, the compressed air may contain other compounds like mercury,
lead, and other heavy metals.
Oil Filter

Here we, Sollant produce many types of screw air compressor oil filter: Original accessories of air
compressor, 10-15um media rating, glass fiber filter media, filtration efficiency ≥ 99.00%, 2000-
2500h service life. We can customize the air compressor parts for you according to the actual
demand of customers.
The function of the air compressor oil filter element is to filter out metal particles and impurities
in the special oil for the air compressor, so that the oil entering the main engine is very clean, so
as to protect the safe operation of the main engine. Sollant oil filter element has accumulated
rich production experience, and the product model and parameters are complete.
If you want to be more competitive in your air compressor oil filter market, it is a very good
opportunity with Sollant screw air compressor air dryer. Sollant is a reliable manufacturer of air
compressor oil filter and Sollant air compressor parts. Contact us for a quick quote on air
compressor oil filters.
Air Compressor Separator

Here we, Sollant produce many types of screw air compressor air filter: Original accessories of
air compressor, initial pressure differential ≤0.02Mpa, fiber glass filter media, 3000-4000h
service life. We can customize the air compressor parts for you according to the actual demand
of customers.
Air Compressor Parts Universal
Air Compressor Working Principles
First, let’s talk about how an air compressor works. A rotary screw compressor and a
reciprocating compressor (piston compressor) each work a bit differently, but they both
share some common working principles. Here are the basic working principles for an air
compressor.

1. Air Intake: All compressors start their process with the intake of ambient air. Air enters
the compressor through an intake valve.
2. Compression Phase: Depending on the type of compressor, this stage can vary.
o Rotary Screw Compressors: Two helical screws, or rotors, rotate in opposite
directions, trapping and compressing the incoming air between them.
o Reciprocating (Piston) Compressors: The piston moves within a cylinder,
decreasing its volume and compressing the air. Two-stage air compressors (or
multi-stage air compressors, such as high-pressure air compressors) have an
additional stage of compression to reach higher pressures (PSI).
3. Cooling Process: As compression generates heat, the air is typically cooled between
stages, especially in multi-stage compressors, to make the subsequent compression
more efficient.
4. Storing Compressed Air: Once compressed, the air enters a storage tank. This tank
holds the compressed air, allowing pressure to build up.
5. Pressure Regulation: As the tank fills, the pressure inside increases. A pressure gauge is
used to monitor this. Once the pressure reaches an upper limit, the compressor stops or
unloads. When the pressure drops to a predetermined lower limit as the air is used, the
compressor restarts or reloads to refill the tank.

Learn more about compressed air systems: Air Compressor Basics.

Core Elements of the Air Compressor

Other Common Air Compressor Parts

The lubrication system is a critical component in most air compressors, including oil-
flooded rotary screw and lubricated piston compressors. The primary role of an oil
pump, for compressors that have one, is to circulate lubricating compressor oil to the
compressor’s various moving parts, minimizing friction, wear, and heat generation. By
ensuring consistent lubrication, the oil pump helps prolong the compressor’s lifespan,
prevent overheating, and maintain optimal performance. Sub-components of the
lubrication system include:

 Oil Filter: As the oil circulates, it can accumulate impurities and other debris. The oil
filter cleans the oil before it’s pumped to the critical components, ensuring they receive
uncontaminated lubrication.
 Oil Cooler: As the oil moves through the compressor, it absorbs heat. The oil cooler
dissipates this heat, maintaining the oil at an optimal temperature and ensuring
effective lubrication and cooling of the compressor parts. Overheating can reduce the oil
life and damage the compressor.
 Air Oil Separator: In systems where the lubricating oil mixes with the compressed air, an
air oil separator is crucial. It removes excess oil from the air before it’s released,
ensuring clean air output and recirculating the oil back into the system.
 Oil Sump/Reservoir: This is the holding tank for the lubricating oil. It stores the oil when
not in circulation and is where the oil pump draws from to distribute lubrication
throughout the compressor.
 Oil Lines/Pipes: These are the pathways through which the oil travels, connecting
various components of the lubrication system and ensuring a steady flow of oil to the
parts that need it.