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All pneumatic motion requires clean and 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.
Pneumatic Air Preparation
(FRL- Filters, Regulators, Lubricators)
Category Selection
For industrial pneumatics systems, air preparation (often called "air prep") is a fundamental and often 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 and air relief valves are available in a wide variety of port sizes 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.
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.
- Pre-assembled air prep units
- NITRA all-in-one Total Air Prep (TAP) units also offer an electric model that includes a soft start.
Combination Filter-Regulators
Combination pneumatic particulate air line 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.
Particulate filters and coalescing type filters available offer:
- 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 or 7-60 psi
- Locking pressure adjustment knob
- Integral pressure gauge
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
- All-metal bowls with sight gauge available on all sizes. Polycarbonate or nylon bowls with metal bowl guards available on 2x, 3x and 4x sizes.
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 3/4" NPT female port sizes, depending on style
- Modular design for easy field assembly with compatible pneumatic filters, regulators and lubricators
Pneumatic Isolation / Lockout Valves
Lockout valves are critical components in any safety lockout/tagout system, ensuring that downstream systems can be depressurized for maintenance or other purposes.
- 1/4" NPT to 1-1/4" NPT
- Oversized exhaust ports for quick pressure release
- Easy push-pull activation
- Inlet pressure: 15 to 145 psig (1 to 10 bar)
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 Combination Filter / Regulators
Precision combination filter and 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
Air Prep Mounting Components
Mounting components for air prep units make installation easy and clean. Quickclamp and mounting brackets are available for Norgren units, and L-, T- and U-brackets for NITRA units allow for installation just about anywhere, even in locations with limited space.
Air Prep Port Adapters
Port adapters and distribution blocks for NITRA and Norgren air prep units allow easy connectivity between components and the ability to change input or output port sizes.
Air Prep Replacement Parts
Air prep replacement parts for NITRA and Norgren air prep units include air filter replacement elements for filter units; as well as replacement solenoids, drain valves and replacement regulator components for NITRA TAP units.
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