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Parker Hannifn Corporation
Parfex Division
Ravenna, OH
Performance Data—Dual Process Tube
250 SH Self-Regulating High Temperature Heater 10 watt/ft - Dual Tube Designs 121
Stabilized Process Temperature (°F)
200 73
Stabilized Process Temperature (°C)
150 66
100
(2)1/4" (2)3/8"
38
50
(2)1/2"
10
45 7
°F -60 -40 -20 0 20 32 40 60 80 100
-50 -40 -30 -20 -10 0 10 20 30 40 °C
Ambient Temperature
Performance Data—Single Process Tube
250 SH Self-Regulating High Temperature Heater 10 watt/ft - Single Tube Designs 121
Stabilized Process Temperature (°F)
200 73
Stabilized Proc
ess Temperature (°C)
150 66
100
1/4" 3/8"
38
50
1/2"
10
45 7
°F -60 -40 -20 0 20 32 40 60 80 100
-50 -40 -30 -20 -10 0 10 20 30 40 °C
Ambient Temperature
Catalog Number 4200-M-2 Chemical Processing and Refneries