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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
- Total Air Prep (TAP) Units
- Total Air Prep Accessories
- Air Filters - AF Series
- Coalescing Filters - AC Series
- Air Regulators - AR Series
- Air Lubricators - AL Series
- Combination Air Filter and Regulators - AFR Series
- Soft-Start/Dump Valves - ASD Series
- Manual Shut-off Pressure Relief Valves - ARV Series
- Isolation / Lockout Valves
- Air Prep (FRL) Accessories for A Series
- Precision Regulators
- Precision Combination Filter / Regulators
- NITRA Pneumatics Air Prep. FRLs Video
NITRA® pneumatic air filters, air regulators, air 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 allows stand-alone applications and also enables easy field assembly for combining NITRA pneumatic filters, pneumatic regulators, air lubricators, and air relief valves (Using modular assembly brackets which must be purchased separately).
Total Air Prep (TAP) Units
A TAP high flow unit contains an automatic drain air filter with clogged filter indicator, relieving regulator, lockable shut-off valve, pressure gauge and air dump.
- Electric models have an adjustable electric soft start / shut-off valve and an adjustable pressure switch with indicator LEDs.
- 0-120 psi (0-8 bar) operating range
- Temperature range: -14 to 122°F
TAP Units Overview
Total Air Prep Accessories
- Panel mounting brackets
- Replacement filter elements, regulator, regulator diaphragm, plug/filter element
- Replacement solenoid valve, automatic drain valve, knob
-
Port inserts:
1/4", 3/8", 1/2", 3/4", 1" NPT;
G1/4, G3/8, G1/2, G3/4, G1 BSPP - Regulator removal wrench
- Padlock
Air Filters - AF Series
NITRA pneumatic particulate and moisture separation air filters in a wide variety of port sizes to meet a broad range of pneumatic air supply filtration applications.
- 1/8" to 1" NPT female port sizes
- 40 micron replaceable filter element standard, 5 micron filter element optional
- Mounting bracket for stand-alone applications
Coalescing Filters - AC Series
New! ... Coalescing air filters are available with filter and port sizes required to remove moisture (water) and oil mist from compressed air applications.
- 1/8, 1/4, 3/8, 1/2" FNPT port sizes
- 0.3-micron filter element standard
- 0.01-micron filter element available
- Mounting bracket for stand-alone applications, modular design for easy field assembly with NITRA regulators and lubricators
Air Regulators - AR Series
Pneumatic air pressure regulators are available in port sizes and adjustable pressure ranges to meet a broad range of pneumatic air supply pressure regulation applications.
- 1/8" to 1" NPT female port sizes
- Adjustable ranges of 20-130 psi or 4-57 psi
- Locking pressure adjustment knob
- Integral pressure gauge
Air Lubricators - AL Series
Pneumatic mist type air lubricators in NPT female port sizes and a lubrication rate adjustment with sight gauge.
- 1/8" to 1" NPT female port sizes
- Adjustable lubrication rate
- All-metal bowls with sight gauge available on all sizes. Polycarbonate bowls available on 2x, 3x and 4x sizes, with metal bowl guards included on 3x and 4x sizes.
Combination Air Filter and Regulators - AFR Series
Combination pneumatic particulate / moisture separation air line filters and adjustable pressure regulators for pneumatic air line filtering and regulation in a single unit.
- 1/8" to 1" NPT female port sizes
- 40 micron filter element standard, 5 micron filter element optional
- Adjustable ranges of 20-130 psi
Soft-Start/Dump Valves - ASD Series
The three-way, two-position (3 threaded ports) design is used to gradually increase air pressure downstream when energized and to shut off upstream pressure and relieve downstream pressure when de-energized.
- 1/8", 1/4", 3/8" or 1/2" NPT female port sizes
- 24 VDC or 120 VAC solenoid voltages
- 130 psi maximum operating pressure
- Modular design for easy field assembly
- Mounting bracket for stand-alone applications
Manual Shut-off Pressure Relief Valves - ARV Series
The three-way, two-position (3 threaded ports) design is used to shut off upstream pressure and relieve downstream pressure. The manually rotated knob can be locked out with the included padlock.
- 1/8", 1/4", 3/8" or 1/2" female port sizes to meet a broad range of pneumatic air supply applications
- Modular design for easy field assembly with NITRA pneumatic filters, regulators and lubricators
- Mounting bracket provided for stand-alone applications
Isolation / Lockout Valves ... New!
NITRA SLV Series lockout valves are critical components in any safety lockout/tagout system.
- Seven sizes from 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)
Air Prep (FRL) Accessories for A Series
Modular assembly and mounting brackets, replacement air filters for AF series filters.
- ADB series pneumatic distribution blocks
- AGP series gauge port adapter plates
- T, L and U-brackets for mounting
- 40 micron replacement filter elements
- 5 micron replacement filter element
Precision Regulators
Made in the USA with a variety of pressure ranges, variety of flow options up to 200 SCFM and sensitivity as low as 1/8" water (0.0045psi).
- BR Series precision regulators
- CR Series high precision regulators
- DR Series high precision regulators
- ER Series miniature high precision regulators
Precision Combination Filter / Regulators
NITRA BFR Series Precision combination filter and regulators for systems that require clean, accurate instrument air. Ideal for industrial environments.
- Diecast aluminum alloy, irridite, baked epoxy finish body
- Nitrile elastomer and nylon fabric diaphragm
- Nitrile elastomer valve seat
- 40 micron polyethylene filter (5 micron optional)
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