Copyright © 2001Honeywell AG • All rights reserved
EN0H-183GE25R0301
E121
AutomaticAir Vent
Design
The automatic air vent comprises:
•
Housing
•
Lid
•
Float
•
Valve seat seals
Materials
•
Brass housing
•
Brass lid
•
High grade, heat-resistant syntheticmaterial float
•
Heat-resistant elastomer seal components
Application
TheE121Air Vent is a reliable automatic ventingdeviceand
is suitable for ventingof air or gas from heating systems or
heat process installations.
Features
•
With theZ121Ashutoff valve fitted, cleaningor re-
placement of the seal and inner componentscanbe
carriedoutwithout draining the system.
Rangeof Application
Hot water heating systems, radiators, wall and ceiling-
mountedair heaters, air collection vessels, pipework circuits,
boilers andair separators
Not suitable formineral oil or liquidswithmineral-oil-based
additives.
Specifications
Operating temperature
max. 110°C (230°F)
Operatingpressure
max. 10 bar (145P.S.I.)
Connection sizes
R 3/8" andR1/2"
PRODUCTDATA
