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 4: With thermostat (asp series), Optional thermostats, 25 watts/in, Steel sheath, 12 watts/in, Incoloy 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 85
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 82
Figure 83
Figure 84
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
25 watts/in
2
Steel Sheath
Typically to heat:
2” steel screw plug
light oils
3 elements - up to 600 volts, 1 or 3 phase
(specifiy voltage and phase when ordering)
watts
immersed
catalogue number
net
length
Fig. 82 Fig. 83
weight
B dim.
standard
with thermostat
(lb)
1125
6
1
/
2
SPO-3011-P ASPO-3011-P
7
1500
7
1
/
2
SPO-3015-P ASPO-3015-P
7
1875
9
1
/
2
SPO-3018-P ASPO-3018-P
7
2250
11
1
/
2
SPO-3025-P ASPO-3025-P
8
3000
17
3
/
4
SPO-3030-P ASPO-3030-P
8
3750
19
SPO-3037-P ASPO-3037-P
8
4500
24
1
/
2
SPO-3045-P ASPO-3045-P
9
5250
28
SPO-3052-P ASPO-3052-P
9
6000
32
1
/
2
SPO-3060-P ASPO-3060-P
9
7500
39
3
/
8
SPO-3075-P ASPO-3075-P
9
9000
47
1
/
4
SPO-3090-P ASPO-3090-P
11
10500
54
SPO-3105-P ASPO-3105-P
11
watts
immersed
catalogue number
net
length
Fig. 82
Fig. 83
weight
B dim.
standard
with thermostat
(lb)
525
6
1
/
2
SPOL-3005-P ASPOL-3005-P
7
750
7
1
/
2
SPOL-3007-P ASPOL-3007-P
7
935
9
1
/
2
SPOL-3009-P ASPOL-3009-P
7
1125
11
1
/
2
SPOL-3011-P ASPOL-3011-P
8
1500
17
3
/
4
SPOL-3015-P ASPOL-3015-P
8
1875
19
SPOL-3018-P ASPOL-3018-P
8
2250
24
1
/
2
SPOL-3022-P ASPOL-3022-P
9
2625
28
SPOL-3026-P ASPOL-3026-P
9
3000
32
1
/
2
SPOL-3030-P ASPOL-3030-P
9
3750
39
3
/
8
SPOL-3037-P ASPOL-3037-P
9
4500
47
1
/
4
SPOL-3045-P ASPOL-3045-P 11
5250
54
SPOL-3052-P ASPOL-3052-P 11
watts
immersed
catalogue number
net
length
Fig. 82
Fig. 83
weight
B dim.
standard
with thermostat
(lb)
1125
6
1
/
2
SPA-3011-P ASPA-3011-P
7
1500
7
1
/
2
SPA-3015-P ASPA-3015-P
7
1875
9
1
/
2
SPA-3018-P ASPA-3018-P
7
2250
11
1
/
2
SPA-3025-P ASPA-3025-P
8
3000
17
3
/
4
SPA-3030-P ASPA-3030-P
8
3750
19
SPA-3037-P ASPA-3037-P
8
4500
24
1
/
2
SPA-3045-P ASPA-3045-P
9
5250
28
SPA-3052-P ASPA-3052-P
9
6000
32
1
/
2
SPA-3060-P ASPA-3060-P
9
7500
39
3
/
8
SPA-3075-P ASPA-3075-P
9
9000
47
1
/
4
SPA-3090-P ASPA-3090-P
11
10500
54
SPA-3105-P ASPA-3105-P
11
12 watts/in
2
Steel Sheath
Typically to heat:
2”steel screw plug
hydraulic oils,
3 elements - up to 600 volts, 1 or 3 phase
heavy oils
(specifiy voltage and phase when ordering )
25 watts/in
2
Incoloy Sheath
Typically to heat:
2”steel screw plug
light oils,
3 elements - up to 600 volts
mild caustic solution
(specifiy voltage when ordering )
mild alkaline solutions
Figure 86
B6