Brochure

98 63-8702
Air Vents and Eliminators
EA122A Automatic Air Vent for Non-Heating System Applications
The EA122A Automatic Air Vent purges air from high pressure mains
and equipment in hot or cold potable water systems.
• Includes removable float/valve assembly for easy servicing.
• Not for use in steam systems.
• Body, cover and float assembly made of thermoplastics.
• Internal parts made of corrosion-resistant and chemical-
resistant materials for use with water systems containing light
concentrations of propylene glycol, mineral oils, or petroleum-
based oils.
• Oil resistant seal.
• EPDM seat disc and O-ring.
Dimensions in inches (millimeters)
M5491D
1/8 INCH
EXTERNAL
THREAD
9/16
(14)
5-1/4
(133)
4-3/4
(121)
1-7/8 (48)
7/16 (11)
EA122A construction
M6585C
SHUTOFF IS
BUILT-IN.
NO DRAIN-DOWN
REQUIRED.
JUST TWIST AND YOU'RE
READY TO SERVICE!
TWIST AGAIN AND YOU'RE
BACK ON LINE.
RED VENT CAP
VENT LEVER
SPRING
BLACK COVER
ASSEMBLY
O-RING
SEAT AREA—
MAKE SURE
AREA IS FREE OF
DIRT AND DEBRIS.
FLOAT
Application: Potable water installations
Operating Temperature Range: 212°F Maximum (100°C Maximum)
Maximum Safe Operating Pressure (psi): 90 psi
Maximum Safe Operating Pressure (kPa): 620 kPa
Approximate, Dimensions: 5 1/4 in. long x 1 7/8 in. diameter (133 mm
long x 48 mm diameter)
Comments: Internal parts made of corrosion-resistant and chemical-
resistant materials for use with hydronic systems that may contain
concentrations of propylene or ethylene glycol.
Material Number Connection Type Connection Size (in.) Description
EA122A1028 Male NPT 1/8 in. Automatic air vent with built-in shut off valve; includes EPDM seat disc and O-ring.
EA122B117 Male NPT 1/8 in. Automatic Air vent without build-in shutoff valve or leakage guard; includes EPDM seat disc and
O-ring.