Ceramic Insulated Thermocouple Elements Inserted into Thermowells
NB1-2
/ 2-3 / DH-1-14-K-12 / 1-385H-U41/2-304SS
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Ceramic
insulated thermocouple elements can be used to make
HWA assemblies. Here, the protection head is attached
to the thermowell with a Type 2 extension assembly.
The thermocouple element is housed inside and is wired
to the terminal block inside the protection head. Spring
loading is not available in this configuration.
A Type 4 extension assembly can also be used in this
type of HWA assembly. This nipple-union-nipple extension
assembly allows for disassembly of the unit without
having to spin the protection head (which may be hooked
up to conduit).
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How To Order
Ordering an HWA assembly is easy. Simply follow
the part number format below:
HWA / NB1-2 / 2-3 / DH-1-14-K-12
/ 1-385H-U41/2-304SS
NB1-2 - $26
NB1 type cast iron protection head with a two-position
terminal block. See thermocouple head selection guide for
a complete listing of available protection heads.
2-3 - $5
Type 2 extension assembly; 3" long assembled. Either a Type
2 or Type 4 extension assembly can be used with this style
HWA. See thermocouple head selection guide for complete
selection of extension assemblies.
DH-1-14-K-12 - $17
Double hole ceramic insulated thermocouple element, type
K, 14 AWG, 12" length. See Section A. The length of this
thermocouple should be the element (stem) length of the
thermowell desired (6"), plus the extension assembly length
(3"), plus 3", for a 12" total.
1-385H-U41/2-304SS - $42
Heavy duty thermowell, 1" NPT thread, 0.385" bore for up
to 3/8" dia. elements. 4 1/2 " insertion length, 6" stem/element
length. The bore size of the well (.385" in this case) must
exceed the outside dimensions of the ceramic insulators
Total HWA price - $90
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† All dollar amounts on this site are shown in US currency.
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Keywords:Ceramic Insulated Thermocouple Elements Inserted into Thermowells
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