Product Features :
The armored electric heating pipe is equipped with a layer of metal protection at the interface to protect the internal structure from damage during transportation and installation.
Used in injection molding, hot runner mold, hot pressing, packaging machinery and other industries. There are single head tube, heating ring, double head flexible tube. Advanced internal structure design, selection of high-quality raw materials, excellent grinding equipment, to ensure the appearance size of the pipe diameter, all models are manufactured according to CE standards.
Annai single head electric heating tube, small size, high power, fast temperature rise, high efficiency, convenient installation, easy wiring, complete specifications, non-standard customization. Professional focus, to ensure product safety, durability !
Application areas :
Used in injection molding, hot runner mold, hot pressing, packaging machinery and other industries. There are single head tube, heating ring, double head flexible tube.
More shapes :

Application scenarios :

Main parameters :
Pipe : Stainless steel
Insulating material : high purity magnesium oxide powder.
Heating wire : Ni8OCr20 nickel wire
Diameter : Φ5mm-Φ25mm
Diameter tolerance : -0.02mm-0.08mm
Tube length : maximum length 3000mm
Tube length tolerance : ± 5 %
Appearance requirements : smooth surface, no scratches, no spots, no depression
Unheated length : Customized on demand
Watt density : max. 40W / cm2
Power tolerance : ± 10 % ( ± 5 % -10 % ). )
Appearance temperature : tube temperature maximum temperature 927 °C
Component temperature : maximum heating temperature
Connector temperature : maximum temperature 260 °C
Connection voltage : customized on demand
High voltage strength : minimum 800VAC heating coil voltage maximum 1250V
Insulation resistance : ≥ 5MΩ ( 500VDC )
Leakage current : ≤ 0,5 mA ( 253 V AC )
Electrical performance : leakage current less than 0.5mA
More selection :
Outer pipe material : 304, 321, 316, 310 stainless steel
Heating wire : Ni80Cr20 nickel wire
Insulation material : high purity magnesium oxide powder
Lead material :
Glass fiber ( temperature resistance 320 ° C )
High temperature glass wool ( 600 °C )
Teflon ( heat resistance 260 ° C )
Silicone rubber ( temperature resistance 180 ° C )
Ceramic beads ( temperature resistance 800 ° C )
Lead protection material :
Glass fiber casing ( 600 °C )
Silicone rubber ( temperature resistance 180 ° C )
Metal woven hose ( temperature 250 °C )
Corrugated metal hose ( 250 °C )
Sealing material :
Silicone rubber ( temperature resistance 180 ° C )
Epoxy resin ( heat resistance 315 ° C )
Ceramics ( temperature resistance 800 ° C )
Connector type :
Thread : M3 / M4 / M6 / M8, external crimp wire, flat plug
Flange type :
The inlet and outlet of the medium can be a flange connection or a spiral connection, which can be customized on demand.