Hot Service
ThermoHelp can provide thermal insulation covers or hard insulation in the temperature range of 180 – 2100 F. ThermoHelp thermal insulation covers outer jacket is available in standard colors to compile with ANSI/ASME A13.1 Color Designation Pipe Marking requirements.
Below is a material selection guide for hot service thermal insulation covers; our engineers will advise you of the best option for your particular application.
Temperature Range: 180 – 375 ºF
Valves, Pumps, Line Flanges, Piping & Piping Spools, L.R. Elbows 90, Sight Glasses, Vessels, Actuators, Steam Traps, and Filters are the usual equipment that operates in this range.
| Inner Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone, or Aluminum) |
| Outer Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone) |
| Insulation Core | 1” Thick, 2# Density Hi-Temp Fiberglass Mat |
| Sewing Thread | Fiberglass Thread Coated with Teflon |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
Temperature Range: 375 – 500 ºF
Valves, Pumps, Line Flanges, Piping & Piping Spools, L.R. Elbows 90, Sight Glasses, Vessels, and Actuators are the usual equipment that operates in this range.
| Inner Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone, or Aluminum) |
| Outer Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone) |
| Insulation Core | 2” Thick, 4# Density Hi-Temp Fiberglass Mat |
| Sewing Thread | Fiberglass Thread Coated with Teflon |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
Temperature Range: 500 – 900 ºF
Valves, Pumps, Line Flanges, Piping & Piping Spools, L.R. Elbows 90, and Heat Exchangers Heads are the usual equipment that operates in this range.
| Inner Jacket | 0.08” Stainless Steel Wire Mesh and Hi-Temperature Zetex Cloth |
| Outer Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone) |
| Insulation Core | 2” Thick, 4# Density Hi-Temp Fiberglass Mat |
| Sewing Thread | 3-Ply Teflon Coated Stainless Steel Thread |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
Temperature Range: 750 – 1300 ºF
Tank Bodies, Elliptical Heads, Line Flanges, Reactors, and Kettles are the usual equipment that operates in this range.
| Inner Jacket | 0.08” Stainless Steel Wire Mesh and Hi-Temperature Vermiculite Cloth |
| Outer Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone) |
| Insulation Core | 2” Thick, 4# – 6# Density Hi-Temp Fiberglass Mat |
| Sewing Thread | 10-Ply Teflon Coated Stainless Steel Thread |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
Temperature Range: 1000 – 1500 ºF
Capsulations of oil leaks from Pressure Vessels, Pumps, and Valves are the usual equipment that operates in this range.
| Inner Jacket | 0.08” Stainless Steel Wire Mesh and 0.06” – 0.08” Stainless Steel Foil |
| Outer Jacket | 17 oz. Fiberglass Cloth Coated with Teflon (or Silicone) |
| Insulation Core | 2” Thick, 6# Density Ceramic Wool |
| Sewing Thread | 12-Ply Teflon Coated Stainless Steel Thread |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
Temperature Range: 1500 – 2100 ºF
Pressure Vessels, Boilers, Boiler Heads, Pumps, and Valves are the usual equipment that operates in this range.
| Inner Jacket | 0.08” Inconel Wire Mesh and Hi-Temperature Silica |
| Outer Jacket | Hi-Temperature Silica |
| Insulation Core | 3” Thick, 11# Density Ceramic Wool |
| Sewing Thread | 14-Ply Silica Coated Stainless Steel Thread |
| Attachments | Belts with Stainless Steel D-rings and Velcro Hooks & Flaps |
| Terminal Ends | Fiberglass Cloth Coated with Teflon with Nomex Draw Cords |
| Tag | 304 Stainless Steel Embossed Lettering |
For sight glasses and gauge covers, ThermoHelp uses 3/16” thick Soda-Lime Tempered Glass or clear Teflon window.
For applications which require hard insulation, ThermoHelp uses fiberglass, ceramic wool, and calcium silicate. Hard insulation thickness can vary from 1” to 6” based on application. ASJ, stainless steel, or aluminum is used for the outside jacketing
