Screw Plug Immersion Heaters

Screw plug immersion heaters are used by the process heat industry for a wide range of applications. This type features a broad selection of screw plug sizes, wattage, materials and junction box types. Screw plug heaters may be threaded directly into a sufficient tank wall or used with a companion coupling.

Installation Recommendations

• Select the heater size best suited for your application.
• Choose the appropriate watt density for the solution.
• Choose the proper sheath for the solution being heated to avoid corrosion.
• Uniform heat distribution in larger tanks is enhanced by the use of several heaters rather than one large heater.
• Protect heaters and tank against liquid level drops with safety controls.
• Clean heaters periodically to avoid premature failure.
• Avoid physical damage to heaters.
• Mount all heaters securely.
• Use the appropriate terminal box for each application.
• Select an appropriate temperature control.
• Electrical wiring should be in accordance with national and local codes.
• Contact us for any sales or service questions or problems.

Applications:

C = Copper Sheath
Hot Water Storage for washrooms, showers, part washing or rinsing, freeze protection of sprinkler systems and cooling towers.
SA = 304 Stainless Steel
Tanks or processes with tar, asphalt, wax, heat transfer fluids, oil and other petroleum products, fuel oil, alcohol, caustic, and other "heavy" mediums.
SB = 316 Stainless Steel
Detergent based cleaning solutions, liquid ammonia, vegetable oil, Deionized water, electroless nickel and other alkaline plating solutions.
T = Titanium
Seawater, brine, chromic acid, Deionized water.
N = Incoloy ®
Air and many gases, Deionized water and other high temperature processes.
TF = Teflon ®
Hydrofluoric acid,ammonia bi-fluoride, Deionized water.

Note:

• Heaters available with special wattage and voltage.
• Excellent selection for vapor degreasing systems.
• Low watt density for oil heating.
• Easily installed with a wrench.
• Thermostat control available.
• Excellent choice for jacketed process tanks.
• Provides freeze protection in outdoor environment.
• UL Listed / CSA Certified up to 18 KW, 600 VAC.
• Applied for pipeline heating.
• Prompt delivery.
• 100% Utilization of energy.
• Minimum resistance to free flow and circulation to heated solutions.
• Electropolish available.