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GPH - General Purpose Head - Cast Iron - Steel Cover
Part
Process
Conduit
Block
Elements
Dimensions
Number
Thread
Thread
Included
Wires
Figure
NEMA Rating
GPH08
GPH12
GPH16
NPT
1/2”
3/4”
1”
NPT
1/2”
1/2”
1/2”
GPT
GPT
GPT
Single / 2
Single / 2
Single / 2
Height
1.5” or 38.1 mm
O.D.
1.38” or 34.9 mm
Weight
3 oz. or 85.0 g.
NEMA Rating –2
GPH
MSH - Miniature Head - Nickel Plated Steel
Part
Process Neoprene Grommet
Block
Elements
Dimensions
Number
Thread
Wire opening
Included
Wires
Figure
NEMA Rating
MSH0202
MSH0204
MSH0302
MSH0304
MSH0402
MSH0404
NPT
1/8”
1/4”
1/8”
1/4”
1/8”
1/4”
Neoprene grommet
will allow up to 5/16”
O.D. tubing or armor
cable for extension
wires.
The cover has a an
O-ring seal to pre-
vent dirt and dust
from entering the
head.
A 5/16” compression
fitting is optional on
the cover wire
opening.
MT2
MT2
MT3
MT3
MT4
MT4
Two / 2
Two / 2
Three / 3
Three / 3
Four / 4
Four / 4
Height
2 1/4” or 57.2 mm
O.D.
1 1/8” or 28.6 mm
NEMA Rating –
none
MSH
2
OTHS - Open Terminal Head - Brass
Part
Process
Typical
Terminals
Dimensions
Number
Thread
Usage
Wires
NEMA Rating
Figure
OTHS
7/8” Female
Fine Thread
Used in Platinum
silicon carbide
double tube and
triple assemblies.
No terminal block is
required.
Two / 2
Height
2” or 50.8 mm
O.D.
1 7/8” or 47.6 mm
NEMA Rating –
none
3
OTHS
Thermocouple Heads - Cast Iron, Nickel Plated Steel, & Brass
Page 142
Phone: 617.527.4385 Fax: 617.964.3746 Email:
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