1 Introduction
6
1.2
Application
JUMO panel-mounting thermostats Series EMf-80 are used as safety temper-
ature limiters in open and closed heating installations to DIN 4751 and steam
boilers to DIN 4752.
1.3
Marking
H
Version to DIN 3440 as STB = safety temperature limiter
1.4
Safety notes
Physical and toxicological properties of the media which may escape in the
event of a system fracture.
– = no; X = yes
A
Cutting through or kinking the capillary of the panel-mounting thermostat
Series EMf-80 will result in the permanent failure of the instrument!
JUMO panel-mounting thermostats Series EMf-80
are approved to VDE 0631
H
The expansion fluid may escape in the event of a system fracture. At present,
there is no restrictive statement from health authorities concerning any danger
to health over short periods and at low concentrations, e.g. after a fracture of
the measuring system.
Top end of scale
°C
Danger-
ous
reactions
Fire/ explosion
hazard
Water
contami-
nation
Toxicological data
Ignition
temperature
°C
Explosion
limit
% v/v
irritant
danger
to
health
toxic
≥
up to 200°C
–
+280
1.2 - 7.5
X
X
X
–
