Operating Instruction
Healthcare chiller of the KSC Series
Version „Revision 09“
Type KSC 215-L-U/S
page 123von138
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Air vent
Automatic Air Vent with integral shutoff valve
E121
E121 Automatic air vent
The E121 air vent is a reliable automatic venting device and is suitable for
venting air or gas from heating systems or heat process installations.
For hot water heating systems, radiators, wall- and ceiling-mounted air
heaters, air collection vessels, pipe work circuits, boilers and air separators.
Not suitable for mineral oil or liquids with mineral-oil based additives.
Materials
Brass housing and lid, high-grade plastic float, heat-resistant elastomer seal
components
Medium type
water or water-glycol mixture according to VDI 2035
Max. media temperature
110
o
C
Static pressure
PN10
Port connection type
external threads
Additional description
With fitted Z 121 A shut-off valve cleaning or replacement of the seal and inner
components can be carried out without draining the system.
Product description
Type
Standard version, connection size R 3/8
E121-3/8A
Service parts
Description
Additional Product Type
Shut-off valve
Z121-3/8
