SD-390 391 Straight Heat Tubular Heater Electric Heating Element Tube for oven

Short Description:

Model No.: SD-390

Voltage: 100-120V/220-250V, Optional

Power: 500-2500W

Sheath/ Casing materials: SUS304/ SUS321/ SUS316/ Incoloy800/ Incoloy840/ Copper

Product Detail

Product Tags


Main Parameters

Model No.:



100-120V/220-250V, Optional



Sheath/ Casing materials:

SUS304/ SUS321/ SUS316/ Incoloy800/ Incoloy840/ Copper

Terminal Styles:

Plain Pins/ Flag Terminals/ Spade Terminal/ Screw Terminal/ Special Terminal


U/ Hairpin/ W/ Z/ Straight/ Spiral/ Circular(with extension)/ Double Loop/ Bent Hairpin

End cap:

Ceramic end (standard)/ Cement/ Epoxy/ RTV seal

Construction Type:

Swaged / High Watt Density – up to 1400°F (760°C)

Not Swaged / Low Watt Density – up to 1200°F (650°C)

The Relevant Products

▪ Incoloy, stainless steel, steel or copper sheath materials available

▪ Precision wound resistance wire for long heater life

▪ Superior heat transfer

▪ Variety of lengths available

▪ Resistance to shock, vibration, corrosion, extreme temperatures

▪ Rapid heat transfer

▪ Customizable shape, size, diameter, kW ratings, operating voltage

The Relevant Products



The Tubular heaters are used for almost every kind of heating appliances. They are easy to form and feature highest mechanic stability and electric properties at the same time.

Quality Control

Before shipping, each product will undergo quality testing to ensure smooth sales for customers and safe use for consumers

QC of electric floating water heater for bath

Packing and Delivery


Please kindly advise your specifications or drawing with following information when you inquiry:

1.Tube (Materials, diameter, length)

2.Wattage and voltage

3.Working environment and temperature

4.Type of terminal

5.Drawing of special type configuration

6.Special testing requirements before shipment


(1) How can I get some samples?
A: As usual, we send samples by freight collect.

(2) What’s your MOQ?
A:Usually the MOQ of each model is 1000 pcs ,but we can accept trial order which the quantity less than 1000pcs.

(3) How many days for mass production?
A: It usually takes 25-30 days after order confirmation.

(4) How does your factory do regarding quality control?
A: We always attach great importance to quality controlling from the very beginning to the very end.

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