Screw Plug Immersion Heaters
Description
- Brass, steel, or stainless steel screw plugs in 1 in, 1¼ in, 2 in, and 2½ in sizes
- Element supports in multiple element units for proper element spacing as required
- Steel, stainless steel, copper, or incoloy sheathed elements. One, two or three per unit dependIng on size
- Optional thermostat and well for temperature control
- General purpose terminal housing with conduit opening. Optional terminal housings for special applications
- 120V, 208V, 240V, 480V, single or three phase which are factory wired to your requirements
- Long, trouble free service
- Made in U.S.A
Part Number
spi-series
Installation
The heater is screwed into a pipe coupling or half coupling in a tank. Units must be immersed at all times for proper operation.
Application | Solutions of Application | Alkaline or Acid Content (Est. % by Volume) | Sheath Material | Typical Watt Density (watts/sq. in.) | Screw Plug Material |
Water and Very Mild Solutions | Clean Water Neutral | pH6–8 | Copper | 45 | Brass |
Water and Very Mild Solutions | Process Water or Very Mild Solutions | pH5–9, 2–3% | Incoloy | 45 | Stainless Steel |
Water and Very Mild Solutions | Mild Solutions | 5–6% | Incoloy | 45 | Stainless Steel |
Water and Very Mild Solutions | Demineralized or Deionized Water | – | Incoloy | 45 | Stainless Steel |
Oil Heating | Low Viscosity Oil | – | Steel | 23 | Steel |
Oil Heating | Medium Viscosity Oil | – | Steel | 15 | Steel |
Oil Heating | High Viscosity Oil | – | Steel | 6 | Steel |
Specialty Heaters | Process Water | pH5–9 | Incoloy | 45 | Brass |
Specialty Heaters | Demineralized Water | – | Incoloy | 45 | Stainless Steel |
Specialty Heaters | Low Viscosity Oil | – | Incoloy | 23 | Steel |
Specialty Heaters | Pipe Insert | – | Incoloy | 12 | Brass |
Specialty Heaters | Hot Tubs, Spa | Treated | Incoloy | 100 | Brass |
Specialty Heaters | Commercial Equipment | Clean Water | Incoloy | 30 | Brass |
Specialty Heaters | Commercial Equipment | Clean Water | Copper | 60 | Brass |
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