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51.456 - Airflo 400 Filter/Regulator 1/2 Auto



Technical specifications and certifications

• Port Size: 1/2 (F) NPT
• Maximum Airflow at 100 PSI: 141 SCFM
• Maximum Working Pressure: 150 PSI
• Pressure Range: Standard: 5-125 PSI
• Options: 5-30 PSI • 5-60 PSI
• Working Temperature: 5 to 60 °C
• Filtration: 5 microns
• Drain: Automatic drain
• Bowl Capacity: 45 ml
• Pressure Gauge Port Size: 1/4 (F) NPT

• Body Material(s): Die cast aluminium
• Bowl Type: Polycarbonate with steel guard
• Bowl Guard: 200 • 300 • 400: Steel
• Regulation Type: Relieving
• Filter Element: Coalescing filter, Borosilicate, 0.01 micron
• Deflector & Spinner: ABS
• O-Rings & Seals: EPDM rubber
•Regulator Cap: Die cast aluminium
• Regulator Adjusting Knob: Reinforced nylon
• Diaphragm: EPDM rubber
• Poppet Valve: Brass and rubber
• Regulator Spring: Stainless steel

Features and benefits

• Space saving integrated filter/regulator design
• Removes water through centrifugal force
• Removes contaminants down to 5 micron in size
• Standard semi-automatic drain requires a simple tug of the ring to drain
• Accurate pressure control with little drift
• Removable locking push-pull adjusting knob
• Pressure gauge and mounting bracket included

Operation and installation

Install the filter as far as possible from the compressor to allow the compressed air to cool and water vapors to condense. Removal of water in liquid form is more effective than removing water which is vapor form.
Install the filter closest to the tool and before the lubricator and regulator
Always install the filter with the arrows pointing to the tool or application

Install the regulator on each pipe where applications and air tools requires different working pressure
Always install the regulator downstream of a filter and upstream of a lubricator
Can be installed vertically or horizontally
Always install regulator with the arrows pointing to the tool or application

Additional information

Weight 2 lbs
Dimensions 10 × 8 × 4 in

Airflo 400