Immersion Heaters, Chromalox ® Flanged Heaters, Industrial Heaters
® Replacement Immersion Heaters -Tank Water Heaters, Industrial Process Heaters-Flanged Heaters
NPH can supply and provide replacements for Chromalox
industrial immersion heaters and other parts. These include flange (flanged), over-the- side, screw plug and circulation heaters suitable for heating tanks, vessels, heat transfer loops and for freeze protection applications.
Product Description Guide:
Tank water Immersion Heaters, both flange type and screw plug models are a great choice for applications requiring larger wattages. These immersion heaters are designed for installation into a pipe body, tank or pressure vessel
using standard pipe size. They are available in a wide selection of rates, sizes and sheath materials suitable for the heating requirements of water, air and other gases.These flanged or screw plug type immersion heaters are very efficient since all energy that is generated is dissipated directly into the medium which is being heated. All flanged and screw plug heater models incorporate tubular heater construction
, welded or brazed into a carbon steel pipe flange. Nema 1 terminal enclosures are supplied with all standard units. Moisture resistant (Nema 4) and explosion proof (Nem,a 7) models are also available. These industrial heaters can be fabricated with various sheath materials like Titanium, Incoloy, Stainless Steel, Steel, and Copper can be used as required for specific applications.
Standard Flanged Immersion Heaters have a 150 lb flanges but 300 lb and 600 lb flanges
are also available. To guarantee sheath material and watt density compatibility with material or process being heated consult NPH. All flanged immersion heaters we offer you including heaters for hazardous locations are CSA/NRTL and UL approved.
Construction-Flanged Immersion Heaters:
® Replacement Flanged Immersion Heaters-Construction Components
Flanged & Screw Plug Heaters:
Specifications, Manuals, Technical Letters & Tips:
- Hot Water Storage Tanks
- Warming Equipment
- Heating & Preheating All Grades of Oil
- Food Processing Equipment
- Cleaning and Rinsing Tanks
- Heat Transfer Systems
- Process Air Equipment
- Boiler Equipment
- Freeze Protection of Fluids
- Oil Heating Loops
- Sewage Processing/Recycling/Water Purification
- Caustic Solutions
Standard Construction Features:
Elements Materials Copper, Steel, 304/316 Stainless Steel, Incoloy
Number of Elements in Flanges 3, 6, 9, 12, 18, 21, 27, 36, 45 plus
Element Diameter 0.315" 0.430"
Watt Density 6.5, 15, 23, 45, 75W/in2
Flange - Materials - Carbon Steel, Stainless Steel,
Flange Rating - 150 lb. Pressure Class per ANSI B16.5
Flange Sizes - 3", 5", 6", 8" 10", 12", 14", 150 lb.
High Conductivity Elements -
Filled with highest purity blends of magnesium oxide refractory (MgO)
compacted to rock hard density to insure maximum thermal conductivity
and maximum electrical resistance, and assure long element life.
Heavy Coil Construction -
density on the heating coil is designed for low watt density operation
by increasing the coil diameter and length to give maximum coil surface
area and limit coil surface temperature, providing longer coil life.
Common Industrial Heater Terminal Enclosure -Types:
Common Nema Enclosure Types See Link Below:
Terminal Enclosure Types - General purpose, sheet metal, (NEMA-1) painted with enamel. Moisture Resistant-Nema 4, Nema 4X, Explosion Proof Nema 7.
Grounding Connector Standard - A solid terminal connector is standard on all NPH immersion heaters insuring positive ground and personal safety.
Special Features Available:Kilowatt Ratings - 500 KW and above available
Materials - 316, 321, 347 stainless steel. Inconel, Incoloy
Ratings - 300 lb. up to 2500 lb., pressure classes available
Sizes - 10" , 12", 14", 16", and 18" available. Please contact NPH for other materials or ratings.
Elements Materials - 316, 321, 347 stainless steel. Inconel. Other materials available, please contact NPH
Other Features - ASME Sections
I, IV, and VIII designed and certified. Baffles on elements to
distribute flow. Passivation on stainless steel. Immersion lengths up to
240". Underwriters Laboratories U.L./CSA listing available. Consult
National Plastic Heater Corrosion Policy:NPH cannot warrant any electric immersion heater against failure by
sheath corrosion if such failure is the result of operating conditions
beyond the control of the heater manufacturer. It is the responsibility
of the purchaser to make the ultimate choice of sheath material based on
his knowledge of chemical composition of corrosive solution, character
of materials entering the solution, and controls which he maintains on
the process. * Not intended for use in hazardous locations.
How To Order Tank Heaters
Flanged or Screw Plug Immersion Heaters: