Allegro Air Source Pre‐Filter. Where air quality is especially low, this free-standing or wallmounted particulate assembly helps extend the life of the filter panel’s disposable filters by removing liquids and contaminates down to 5 microns. It is equipped with an adjustable high-pressure regulator and gauge to meet the NIOSH requirement for point-ofattachment.

CONSTRUCTION:

• Stand: Powder coated steel
• Relief valve: Brass, spring loaded (External)
• Max Temperature: 150° F (65.5° C)
• Maximum pressure: 250 psi (17.2 bar)
• Flow Capacity: 165 CFM (280.33 m3/hr)
• Fittings: ½” (1.27 cm) Quick-Connect Hansen

REGULATOR & MANIFOLD:

• Manifold: Zinc
• Adjusting knob: Acetal
• Body Cap: ABS
• Valve: Balanced Valve Design, Brass/Nitrile
• Diaphragm: Spring loaded, Nitrile/Zinc
• Pressure gauge: Analog, 0-300 psi (0-20.69 bar), 2” (5.08 cm) diameter

FILTRATION BOWL: 

• Bowl: Zinc, with a Polycarbonate sight gauge
• Element retainer: Acetal
• Useful Retention: 2.87 oz. (81.36 g)
• Seal: Nitrile

FILTER ELEMENT:

• Standard Filtration: 5 Micron
• Element Type: Particulate
• Material: Sintered Polyethylene
• Drain: Automatic mechanical with float