Feature

Max power of single heater up to 2000KW-3000KW, maximum voltage 690VAC

ATEX and IECExapproved. Exd, Exe, IIC Gb, T1-T6

Zone 1 & 2 applications

Ingress Protection IP66

High quality anti-corrosion/high temperature heating element materials:

Inconel 600

Hastelloy, Titanium

Stainless steel: 304, 321, 310S, 316L

NiCr 80/20 heating wires, single or double coils.

Design to ASME code and other International Standards.

Hair-pin element and sealing to tubesheet by means of Bite-Coupling or Direct Welding. When use with Bite-coupling, individual element can be replaced (offline).

Over-temperature protection on heating element/flange/terminal box by using PT100, Thermocouple and/or thermostat.

Flanged connection, ease of installation and maintenance.

Design for Life in cyclic or continuous operation.

Explosion Proof

Application

Immersion heaters from WNH are used for applications such as the following:

lubricating oil heaters for turbines, compressors, pumps, refrigeration machines

heaters for heat transfer oil, heavy oil, fuels

container heaters for process water and emergency showers

heating of process gases

motor anticondesnation heaters

container and heating chamber heating

FAQ

1.Are you factory?
Yes, we are factory, all customers are more than welcome to visit our factory .

2.What are the available product certifications?
We have certifications such as: ATEX, CE, CNEX. IS014001, OHSAS18001,SIRA, DCI. Etc

3.What type of temperature sensors are provided with the heater?

Each heater is provided with temperature sensors at the following locations:
1) on the heater element sheath to measure maximum sheath operating temperatures,
2) on the heater fange face to measure maximum exposed surface temperatures, and
3) An Exit temperature measurement is placed on the outlet pipe to measure the temperature of the medium at the outlet. The temperature sensor is a thermocouple or PT100 thermal resistance, according to customer requirements.

4.Which Items do you inspect in each processing stage?
External dimension; Insulation puncture test; Insulation resistance test; hydrotest...

5.How long is the warranty time for your product?
Our officially promised warranty time is 1 year after delivering at best.