Manual
2
1
/
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 95
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)
Non-Thermostat 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 92
Figure 93
Figure 94
Optional Thermostats
A
vailable 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
1
/
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. 92 Fig. 93 weight
B dim. standard with thermostat (lb)
1125 6
1
/
2
SPO-3011 ASPO-3011 7
1500 7
1
/
2
SPO-3015 ASPO-3015 7
1875 9
1
/
2
SPO-3018 ASPO-3018 7
2250 11
1
/
2
SPO-3025 ASPO-3025 8
3000 17
3
/
4
SPO-3030 ASPO-3030 8
3750 19 SPO-3037 ASPO-3037 8
4500 24
1
/
2
SPO-3045 ASPO-3045 9
5250 28 SPO-3052 ASPO-3052 9
6000 32
1
/
2
SPO-3060 ASPO-3060 9
7500 39
3
/
8
SPO-3075 ASPO-3075 9
9000 47
1
/
4
SPO-3090 ASPO-3090 11
10500 54 SPO-3105 ASPO-3105 11
watts immersed catalogue number net
length Fig. 92 Fig. 93 weight
B dim. standard with thermostat (lb)
525 6
1
/
2
SPOL-3005 ASPOL-3005 7
750 7
1
/
2
SPOL-3007 ASPOL-3007 7
935 9
1
/
2
SPOL-3009 ASPOL-3009 7
1125 11
1
/
2
SPOL-3011 ASPOL-3011 8
1500 17
3
/
4
SPOL-3015 ASPOL-3015 8
1875 19 SPOL-3018 ASPOL-3018 8
2250 24
1
/
2
SPOL-3022 ASPOL-3022 9
2625 28 SPOL-3026 ASPOL-3026 9
3000 32
1
/
2
SPOL-3030 ASPOL-3030 9
3750 39
3
/
8
SPOL-3037 ASPOL-3037 9
4500
47
1
/
4
SPOL-3045
ASPOL-3045 11
5250
54 SPOL-3052 ASPOL-3052 11
watts immersed catalogue number net
length Fig. 92 Fig. 93 weight
B dim. standard with thermostat (lb)
1125 6
1
/
2
SPA-3011 ASPA-3011 7
1500 7
1
/
2
SPA-3015 ASPA-3015 7
1875 9
1
/
2
SPA-3018 ASPA-3018 7
2250 11
1
/
2
SPA-3025 ASPA-3025 8
3000 17
3
/
4
SPA-3030 ASPA-3030 8
3750 19 SPA-3037 ASPA-3037 8
4500 24
1
/
2
SPA-3045 ASPA-3045 9
5250 28 SPA-3052 ASPA-3052 9
6000 32
1
/
2
SPA-3060 ASPA-3060 9
7500 39
3
/
8
SPA-3075 ASPA-3075 9
9000 47
1
/
4
SPA-3090 ASPA-3090 11
10500 54 SPA-3105 ASPA-3105 11
12 watts/in
2
Steel Sheath Typically to heat:
2
1
/
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
1
/
2
”steel screw plug light oils,
2 elements - up to 600 volts mild caustic solution
(specifiy voltage when ordering ) mild alkaline solutions
Figure 96
B8