ASB Heating Elements Ltd. 2” NPT Screw Plug Immersion Heater User Manual
2” npt screw plug immersion heater, Two element design - one phase only, Standard (sp series)
5
1/4"
ap
pro
x.
2
3/4"
1
1/4"
NPT opening
5
1/4"
4
1/4"
dia.
3"
ap
pro
x.
2
5/16"
1" NPT opening
4
1/2"
3
1/2"
dia.
Figure 70
5
5/16
"
ap
pro
x.
3
13/16
"
1
1/2"
NPT opening
6
13/16"
5
3/4"
dia.
2
13
/
16
"
3
1/2
"
4
1/8
"
4
3/4
"
4
5/16
"
4
1/4
"
2” NPT Screw Plug Immersion Heater
Two element design - one phase only
Standard (SP series)
General Purpose Enclosure - no thermostat
With thermostat (ASP series)
General Purpose Enclosure - with thermostat
Moisture Resistant or Hazardous Location
Moisture Resistant or Hazardous Location - ASP series
with any optional thermostat
50-60 watts/in
2
Copper Sheath
Typically to heat:
2” brass screw plug
municipal water
2 elements - up to 600 volts 1 phase
(specifiy voltage when ordering)
watts
immersed
catalogue number
net
length
Fig. 67
Fig. 68
weight
B dim.
standard
with thermostat
(lb)
1500
6
1
/
2
SPC-2015
ASPC-2015
6
2000
7
1
/
2
SPC-2020
ASPC-2020
6
2500
9
1
/
2
SPC-2025
ASPC-2025
6
3000
11
1
/
2
SPC-2030
ASPC-2030
7
4000
17
3
/
4
SPC-2040
ASPC-2040
7
5000
19
SPC-2050
ASPC-2050
7
6000
24
1
/
2
SPC-2060
ASPC-2060
8
7000
28
SPC-2070
ASPC-2070
8
8000
32
1
/
2
SPC-2080
ASPC-2080
9
10000
39
3
/
8
SPC-2100
ASPC-2100
9
12000
47
1
/
4
SPC-2120
ASPC-2120
10
15000
54
SPC-2150
ASPC-2150
10
watts
immersed
catalogue number
net
length
Fig. 67
Fig. 68
weight
B dim.
standard
with thermostat
(lb)
1500
6
1
/
2
SPI-2015
ASPI-2015
6
2000
7
1
/
2
SPI-2020
ASPI-2020
6
2500
9
1
/
2
SPI-2025
ASPI-2025
6
3000
11
1
/
2
SPI-2030
ASPI-2030
7
4000
17
3
/
4
SPI-2040
ASPI-2040
7
5000
19
SPI-2050
ASPI-2050
7
6000
24
1
/
2
SPI-2060
ASPI-2060
8
7000
28
SPI-2070
ASPI-2070
8
8000
32
1
/
2
SPI-2080
ASPI-2080
9
10000
39
3
/
8
SPI-2100
ASPI-2100
9
12000
47
1
/
4
SPI-2120
ASPI-2120
10
15000
54
SPI-2150
ASPI-2150
10
watts
immersed
catalogue number
net
length
Fig. 67
Fig. 68
weight
B dim.
standard
with thermostat
(lb)
1500
6
1
/
2
SPS-2015
ASPS-2015
6
2000
7
1
/
2
SPS-2020
ASPS-2020
6
2500
9
1
/
2
SPS-2025
ASPS-2025
6
3000
11
1
/
2
SPS-2030
ASPS-2030
7
4000
17
3
/
4
SPS-2040
ASPS-2040
7
5000
19
SPS-2050
ASPS-2050
7
6000
24
1
/
2
SPS-2060
ASPS-2060
8
7000
28
SPS-2070
ASPS-2070
8
8000
32
1
/
2
SPS-2080
ASPS-2080
9
10000
39
3
/
8
SPS-2100
ASPS-2100
9
12000
47
1
/
4
SPS-2120
ASPS-2120
10
15000
54
SPS-2150
ASPS-2150
10
50-60 watts/in
2
Incoloy
Typically to heat:
2”316 SS screw plug
municipal water
2 elements - up to 600 volts 1 phase
process water
(specifiy voltage when ordering)
50-60 watts/in
2
316 SS Sheath
Typically to heat:
2”316 SS screw plug
food processing
2 elements - up to 600 volts 1 phase
de-ionized water
(specifiy voltage when ordering)
mild acid solution
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
Non-Thermostat version - (NEMA 4 or NEMA 7)
Moisture Resistant Enclosure (add suffix MR)
Hazardous Location (Explosion Resistant add suffix ER)
DPST or TPST
(NEMA 4 or NEMA 7)
10 - 120°C (50 - 250°F)
240 vac, 25 amp, SPST
Figure 67
Figure 68
Figure 69
B3
Optional Thermostats
Available temperature ranges and/or electrical choices
Temperature ranges
Electrical ranges
-16 to + 40°C (0-100°F)
240 vac, 25 amp, DPST
70 - 280°C (160 - 540°F)
480 vac, 15 amp, TPST
160 - 370°C (320-700°F)
600 vac, 15 amp, TPST
ASP series
Built-in Thermostat SPST
(NEMA 4 or NEMA 7)
SP series
Figure 71