ESBOtherm – Ball valve heater
ESBOtherm is an auxiliary heater for compensating high heat losses in ball valves. The ESBOtherm ball valve heater consists of a self-contained heating band mounted on a wire mesh. For maintenance and installation work on the ball valve, the wire mesh is simply opened up and can be quickly refitted without affecting the heater’s function.
Approvals: CE 0518, CENELEC, ATEX, IEC, FM, CSA, Lloyds Register; others please enquire

Technical characteristics of the ESBOtherm auxiliary heater:
Maintains the pipe and fitting’s temperatures within their operating range |
Can be cut to the required length on site |
Can not overheat, even if overlapped |
Output rating: up to 55 W/m |
Complete system with terminals and control devices |
Input rating: 220 to 277 V AC (110/120 V AC on request) |
Resistance of protective wire mesh: up to 18.2 ohm/km |
Approvals to CENELEC standards for use in potentially explosive and corrosive environments |
ESBOtherm consists of a self-contained flexible heating band designed for industrial use. It can be used to generate process heat or prevent undercooling up to a temperature of 120 °C. ESBOtherm is suitable for use in not potentially explosive, potentially explosive and corrosive environments as defined in CENELEC
ESBOtherm is available with self-contained heating bands in the following versions:
ESBOtherm | 10.4 mm × 3.4 mm |
ESBOtherm x | 11.4 mm × 4.4 mm |
ESBOtherm xF | 12.2 mm × 5.2 mm |
The following files are available for download for the auxiliary heater ESBOtherm: