Manual
2” NPT Screw Plug Immersion Heater
Three element design - one or three phase
5
1
/
4
"
approx.
2
3
/
4
"
1
1
/
4
"
NPT opening
5
1
/
4
"
4
1
/
4
"
dia.
3" app
rox.
2
5
/
16
"
1" NPT opening
4
1
/
2
"
3
1
/
2
"
dia.
Figure 85
5
5
/
16
"
app
rox.
3
1
3
/
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)
N
on-T
hermostat version - (NEMA 4 or NEMA 7)
M
oisture 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
SP
A-3018-P ASPA-3018-P 7
2250
11
1
/
2
SP
A-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
SP
A-3060-P ASPA-3060-P 9
7500
39
3
/
8
SP
A-3075-P ASPA-3075-P 9
9000
47
1
/
4
SP
A-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