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Thermocouple
Heads
Explosion Resistant
For
Thermocouple connection heads are available
in
UL
listed, explosion
resistant
configurations for uses in hazardous
locations.
Our
more
common styles are shown
in
this
catalog.
lf
you are
looking
for a
particular
type, which is
not
shown here, please
phone
one of our sales
engineers since
we
have
other heads
in
stock.
All thermocouple connection
heads
are
sold
with connector
blocks.
lf
you would
like
to order connection
heads
without blocks
add
WOC
after
the
part number.
Example:
EXC|HOS-WOC
The hazardous
location
classifications
of
the
heads
are
listed
below. They
are
divided
into classes, groups
and
divisions as listed
in the National Fire
Protection
Association
(NFPA)
Codes and article 505
in
the National Electric Code (NEC).
Refer
to these
docu-
ments
for
specific details.
xplosion
Resistant
Head
-
316
Stainless Steel
xplosion
Resistant
Head
-
Cast
lron
&
Aluminum
Cover
Height
-
3
3116"
or
81.0mm
width
-
2
15116"
or 74.6mm
Cap Diameter
-
3
1/16"
or 77.8mm
NFPA
Hazardous
Area
Classification-
Glass
I
Group
C,D
Class
ll
Group
E,F,G
U
L
Listed
Single
/
2
Single
/
2
Double
/
4
Double
/
4
RTD/
6
RTD/
6
Triple
/
6
Triple
/
6
AWTS
AWTS
AWTD
AWTD
AWTT
AWTT
AWTR
AWTR
EXCIHSOS
EXC|HSl2
EXCIHDOS
EXCIHDl2
EXCIHTOS
EXCIHTl2
EXCIHTROS
EXCIHTRl2
1/2" NPT
314' NPT
1/2" NPT
314"
NPT
1/2" NPT
314"
NPT
1/2" NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314' NPT
314"
NPT
Height
-
3
3116"
or 81.0mm
width
-
215116"
or 74.6mm
Cap Diameter
-
3
1116"
or
77
.8mm
NFPA
Hazardous
Area
Classification-
Class
I
Group
C,D
Class
ll
Group
E,F,G
U
L
Listed
Single
/
2
Single
/
2
Double
/
4
Double
/
4
Triple
/
6
Triple
/
6
RTD/
6
RTD/
6
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314"
NPT
314' NPT
314"
NPT
AWTS
AWTS
AWTD
AWTD
AWTT
AWTT
AWTR
AWTR
EXSSHSOs
EXSSHSl
2
EXSSHDOS
EXSSHDl2
EXSSHTOs
EXSSHTl2
EXSSHTROS
EXSSHTRl
2
1/2" NPT
314"
NPT
1/2" NPT
314"
NPT
1/2" NPT
314' NPT
1/2" NPT
314"
NPT
Page
134