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Pneumatic motion requires clean, dry air with enough flow to provide the required pressure. The process of filtering, regulating and lubricating compressed air is known as air prep. Facilities need air prep at centralized compressors; additional air prep is advantageous at the machine level also.
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Pneumatic Air Preparation (FRL- Filters, Regulators, Lubricators)
For industrial pneumatic systems, air preparation (often called "air prep") is a fundamental and often an underappreciated necessity. Clean air at the proper pressure is needed for reliable system operation, and for reducing maintenance costs and downtime.
Pneumatic air filters, regulators, lubricators, soft start/dump valves, air relief valves, and more are available to meet a broad range of pneumatic air supply filtration, air regulation, and compressed air lubrication applications. The modular design of these products allows stand-alone applications and also enables easy field assembly for combining compatible air prep components. Convenient combination units are also available.
For part listing and specifications, go to Shop Now
Combination Air Prep Units
Combination air prep units offer multiple functions in a single easy-to-install device, typically including a filter regulator, shutoff, pressure gauge, and lubricator.
- Modular, pre-assembled air prep units for easy installation
- NITRA all-in-one Total Air Prep (TAP) units are multi-functional filter-regulator assemblies with a small footprint; electric model includes a soft start/shut-off valve
Filter / Regulators
Combination pneumatic particulate filters and adjustable pressure regulators offer pneumatic air line filtering and regulation in a single unit.
- 1/8" to 1" NPT female port sizes
- Adjustable pressure ranges
Air Filters
Particulate and moisture separation air filters are used for cleaning incoming compressed air sources. Coalescing filters can remove water and oil mist.
- 1/8" to 1" FNPT port sizes (depending on style)
- Manual, semi-automatic, and automatic drain styles
Air Regulators
Air pressure regulators ensure consistent pressure for reliable pneumatic device actuation, and are available in port sizes and adjustable pressure ranges to meet a broad range of applications.
- 1/8" to 1" NPT female port sizes
- Adjustable ranges of 7-130 psi, 7-60 psi, or 0-120 psi
- Locking pressure adjustment knob
- Integral pressure gauge included on select units, optional on others
Air Lubricators
Pneumatic air supply lubrication can increase speed, slow wear, and reduce leakage in and around operating components.
- 1/8" to 1" NPT female port sizes
- Adjustable lubrication rate
- A variety of body sizes and bowl materials
Control Valves
Control valves are manually or solenoid operated valves used to shut off upstream pressure and relieve downstream pressure. Soft-start valves gradually increase air pressure downstream when energized, and quickly dump downstream pressure when de-energized.
- 1/8" to 1" NPT female port sizes, depending on style
- Modular design for easy field assembly with compatible pneumatic filters, regulators, and lubricators
Air Prep Pressure Switches
Air prep pressure switches fit into an air prep system and allow a control system to monitor whether the air pressure is above or below a certain pressure.
- 1/4" to 1" NPT process connection
- Complementary N.O. / N.C. contacts
- 7.5 to 145 psi setpoint
Air Prep Distribution Blocks
Air prep distribution blocks can provide air takeoff from within any point of the air prep system if it is desired to bypass certain air prep components.
- 1/8" to 1" NPT inlets
- Up to 3 takeoff outlets sized from 1/8" to 1/2" NPT
Pressure Gauges
Pressure gauges easily fit into an air prep regulator that does not include a built-in gauge. These gauges allow proper adjustment of regulator pressure.
- Pressure readout ranges of 0-60 and 0-180 psi
Precision Regulators
Precision regulators provide accurate, consistent air pressure for sensitive instruments, and are ideal for industrial environments.
- Flow options up to 200 SCFM
- Sensitivity as low as 1/8" water
Precision Filter / Regulators
Precision filter / regulators are ideal for systems that require clean, accurate instrument air in industrial environments.
- Diecast aluminum alloy, irridite, baked epoxy finish body
- Nitrile elastomer and nylon fabric diaphragm
- Nitrile elastomer valve seat
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