2” npt screw plug immersion heater, Three element design - one or three phase, Standard (sp series) – ASB Heating Elements Ltd. 2” NPT Screw Plug Immersion Heater User Manual
Page 3: With thermostat (asp series), Optional thermostats, 60 watts/in, Copper sheath, Incoloy sheath, Ss sheath
2” NPT Screw Plug Immersion Heater
Three element design - one or three phase
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 80
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
1/4"
4
3/4"
4
5/16"
4
1/4"
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
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 77
Figure 78
Figure 79
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
50-60 watts/in
2
Copper Sheath
Typically to heat:
2” brass screw plug
municipal water
3 elements - up to 600 volts, 1 or 3 phase
(specifiy voltage and phase when ordering)
watts
immersed
catalogue number
net
length
Fig. 77
Fig. 78
weight
B dim.
standard
with thermostat
(lb)
2250
6
1
/
2
SPC-3022-P ASPC-3022-P
6
3000
7
1
/
2
SPC-3030-P ASPC-3030-P
6
3750
9
1
/
2
SPC-3037-P ASPC-3037-P
6
4500
11
1
/
2
SPC-3045-P ASPC-3045-P
7
6000
17
3
/
4
SPC-3060-P ASPC-3060-P
7
7500
19
SPC-3075-P ASPC-3075-P
7
9000
24
1
/
2
SPC-3090-P ASPC-3090-P
8
10500
28
SPC-3105-P ASPC-3105-P
8
12000
32
1
/
2
SPC-3120-P ASPC-3120-P
9
15000
39
3
/
8
SPC-3150-P ASPC-3150-P
9
18000
47
1
/
4
SPC-3180-P ASPC-3180-P
10
22500
54
SPC-3225-P ASPC-3225-P
10
watts
immersed
catalogue number
net
length
Fig. 77
Fig. 78
weight
B dim.
standard
with thermostat
(lb)
2250
6
1
/
2
SPI-3022-P
ASPI-3022-P
6
3000
7
1
/
2
SPI-3030-P
ASPI-3030-P
6
3750
9
1
/
2
SPI-3037-P
ASPI-3037-P
6
4500
11
1
/
2
SPI-3045-P
ASPI-3045-P
7
6000
17
3
/
4
SPI-3060-P
ASPI-3060-P
7
7500
19
SPI-3075-P
ASPI-3075-P
7
9000
24
1
/
2
SPI-3090-P
ASPI-3090-P
8
10500
28
SPI-3105-P
ASPI-3105-P
8
12000
32
1
/
2
SPI-3120-P
ASPI-3120-P
9
15000
39
3
/
8
SPI-3150-P
ASPI-3150-P
9
18000
47
1
/
4
SPI-3180-P
ASPI-3180-P
10
22500
54
SPI-3225-P
ASPI-3225-P
10
watts
immersed
catalogue number
net
length
Fig. 77
Fig. 78
weight
B dim.
standard
with thermostat
(lb)
2250
6
1
/
2
SPS-3022-P
ASPS-3022-P
6
3000
7
1
/
2
SPS-3030-P
ASPS-3030-P
6
3750
9
1
/
2
SPS-3037-P
ASPS-3037-P
6
4500
11
1
/
2
SPS-3045-P
ASPS-3045-P
7
6000
17
3
/
4
SPS-3060-P
ASPS-3060-P
7
7500
19
SPS-3075-P
ASPS-3075-P
7
9000
24
1
/
2
SPS-3090-P
ASPS-3090-P
8
10500
28
SPS-3105-P
ASPS-3105-P
8
12000
32
1
/
2
SPS-3120-P
ASPS-3120-P
9
15000
39
3
/
8
SPS-3150-P
ASPS-3150-P
9
18000
47
1
/
4
SPS-3180-P
ASPS-3180-P
10
22500
54
SPS-3225-P
ASPS-3225-P
10
50-60 watts/in
2
Incoloy Sheath
Typically to heat:
2”stainless steel screw plug
municipal water
3 elements - up to 600 volts, 1 or 3 phase process water
(specifiy voltage and phase when ordering)
50-60 watts/in
2
SS Sheath
Typically to heat:
2”316 SS screw plug
food processing
3 elements - up to 600 volts, 1 or 3 phase de-ionized water
(specifiy voltage and phase when ordering)
mild acid solution
B5
Figure 81