Flange Immersion Heater Specifications
Industrial flanged tubular heaters for liquids, gases, and viscous media. Factory-direct, custom-engineered to your tank or vessel.
Technical Specifications
| Parameter | Range / Value |
|---|---|
| Tube Diameter | Ø8 mm – Ø16 mm (single element); bundle Ø10–Ø12 mm typical |
| Flange Size | DN50 – DN600 (2″ – 24″); ANSI, DIN, JIS, GB drilling patterns |
| Power Range | 3 kW – 2000 kW per unit (higher with multi-bundle assemblies) |
| Voltage | 220 V / 380 V / 415 V / 480 V / 690 V; single or three-phase |
| Operating Temperature | Up to 650 °C (medium-dependent) |
| Sheath Material | SUS304 / SUS316L / SUS321 / Incoloy 800 / Incoloy 825 / Titanium / Copper |
| Flange Material | Carbon steel / SUS304 / SUS316L / Hastelloy |
| Watt Density (Surface Load) | 1.5 – 8 W/cm² (selected by medium and viscosity) |
| Working Pressure | ≤ 10 MPa (custom up to 25 MPa) |
| Terminal Box Protection | IP54 / IP65 / IP66; explosion-proof optional (GB 3836) |
Standard Model Options
| Model | Flange | Power | Voltage | Typical Application |
|---|---|---|---|---|
| HY-FL-09 | DN80 | 9 kW | 380 V / 3 Ph | Water, cleaning tanks |
| HY-FL-18 | DN100 | 18 kW | 380 V / 3 Ph | Process water, light oil |
| HY-FL-36 | DN150 | 36 kW | 380 V / 3 Ph | Thermal oil, glycol |
| HY-FL-72 | DN200 | 72 kW | 380 V / 480 V | Crude oil, fuel preheating |
| HY-FL-150 | DN300 | 150 kW | 380 V / 480 V | Large storage tanks |
| HY-FL-300 | DN400 | 300 kW | 480 V / 690 V | Refinery, chemical reactors |
| HY-FL-500 | DN500 | 500 kW | 480 V / 690 V | Heavy fuel oil heating |
Customization Options
- Flange standard: ANSI B16.5 / DIN 2501 / JIS B2220 / GB/T 9119
- Insertion length: 200 mm – 4500 mm
- Bent / U-shape elements for compact vessels
- Built-in thermowell for PT100 / thermocouple K, J, T
- Built-in over-temperature limiter
- Terminal box with junction options: weatherproof, marine, Ex d IIB/IIC T1–T6
- Sheath coating: PTFE / FEP for corrosive media
- Surface load tuning for viscous or fouling-prone fluids
- Integrated control panel with PID, SSR, SCR power regulation
- Special drilling, baffle plates, deflector design
Cartridge Heater Specifications
High-density single-ended tubular heaters for molds, dies, platens, and precision heating applications. Custom diameter, length, and watt density.
Technical Specifications
| Parameter | Range / Value |
|---|---|
| Outer Diameter | Ø3.0 mm – Ø25.4 mm (1/8″ – 1″); standard Ø6.35 / Ø8 / Ø9.5 / Ø10 / Ø12.7 / Ø16 / Ø20 |
| Length | 25 mm – 1500 mm |
| Power Range | 20 W – 6000 W per piece |
| Voltage | 12 V / 24 V / 110 V / 120 V / 220 V / 230 V / 240 V / 380 V / 400 V / 480 V |
| Operating Temperature | Up to 750 °C sheath temperature |
| Sheath Material | Incoloy 800 (standard high-temp) / SUS304 / SUS316L / SUS321 |
| Internal Insulation | High-purity compacted MgO (> 99.4%) |
| Watt Density (Surface Load) | 5 – 50 W/cm² (high density up to 80 W/cm² for tight bore-fit) |
| Diametric Tolerance | -0.02 / -0.06 mm for slip-fit installation |
| Lead Wire | Fiberglass / PTFE / silicone-insulated; with or without stainless-steel braid |
| Insulation Resistance | ≥ 100 MΩ @ 500 V DC (cold) |
Standard Model Options
| Model | Diameter | Length | Power | Voltage |
|---|---|---|---|---|
| HY-CH-0605 | Ø6.35 mm | 50 mm | 100 W | 220 V |
| HY-CH-0810 | Ø8.0 mm | 100 mm | 250 W | 220 V |
| HY-CH-1015 | Ø10 mm | 150 mm | 500 W | 220 V |
| HY-CH-1220 | Ø12.7 mm | 200 mm | 800 W | 220 V |
| HY-CH-1630 | Ø16 mm | 300 mm | 1500 W | 220 V / 380 V |
| HY-CH-2040 | Ø20 mm | 400 mm | 2500 W | 220 V / 380 V |
| HY-CH-2560 | Ø25 mm | 600 mm | 4000 W | 380 V |
Customization Options
- Built-in thermocouple type J / K / T or PT100 RTD
- Distributed wattage zones (e.g., 70% / 30% along length)
- Disabled / unheated zones at tip or terminal end
- Right-angle lead, mineral-insulated cable extension
- Flange mount, threaded fitting, or welded collar
- Stainless steel braided lead with strain relief
- Tip configurations: standard, swaged, hex, machined
- Surface load optimization for hot-runner / extruder dies
- Anti-vibration design for moving platens
- Quick-disconnect plugs (high-temp)
Explosion Proof Heater Specifications
Flameproof electric heaters certified to GB 3836 for hazardous-area service in oil & gas, chemical, and petrochemical plants. Built with explosion-proof terminal enclosures and thermal cut-off protection.
Technical Specifications
| Parameter | Range / Value |
|---|---|
| Tube Diameter | Ø8 mm – Ø16 mm element; vessel DN50 – DN600 |
| Power Range | 3 kW – 1500 kW per unit (multi-vessel systems on request) |
| Voltage | 220 V / 380 V / 415 V / 480 V / 690 V |
| Operating Temperature | Up to 550 °C (medium-dependent) |
| Sheath Material | SUS304 / SUS316L / SUS321 / Incoloy 800 / Incoloy 825 |
| Vessel / Shell Material | Carbon steel / Q345R / SUS304 / SUS316L |
| Watt Density (Surface Load) | 1.5 – 6 W/cm² (T-class dependent) |
| Working Pressure | ≤ 6.4 MPa standard; up to 16 MPa custom |
| Ex Certification | GB 3836 (China Ex), Ex d IIB T1–T6 / Ex d IIC T1–T6 |
| Enclosure Protection | IP65 / IP66 explosion-proof junction box |
| Temperature Class | T1 (450 °C) / T2 (300 °C) / T3 (200 °C) / T4 (135 °C) / T5 / T6 selectable |
Standard Model Options
| Model | Power | Ex Marking | Vessel DN | Application |
|---|---|---|---|---|
| HY-EX-12 | 12 kW | Ex d IIB T4 | DN100 | Solvent / cleaning fluid |
| HY-EX-30 | 30 kW | Ex d IIB T4 | DN150 | Natural gas preheating |
| HY-EX-60 | 60 kW | Ex d IIC T4 | DN200 | Hydrogen-containing gas |
| HY-EX-120 | 120 kW | Ex d IIB T3 | DN250 | Crude oil heating |
| HY-EX-250 | 250 kW | Ex d IIB T3 | DN350 | Process gas / fuel oil |
| HY-EX-500 | 500 kW | Ex d IIC T3 | DN450 | Refinery & petrochemical |
Customization Options
- Ex marking selection: Ex d IIB / IIC, gas group per site survey
- Temperature class T1–T6 matched to flammable substance
- Multiple over-temperature cut-offs and redundant sensors
- Vessel insulation: rock wool / aluminum silicate, cladding
- Flange standards: ANSI / DIN / JIS / GB
- Explosion-proof control panel: Ex d / Ex p (purged), SCR/SSR power control
- Cable glands certified Ex d, armored cable entry
- Sour-service materials (NACE MR0175) on request
- Skid-mounted package with strainer, valves, and instrumentation
- Heat tracing & insulation accessory integration
Note: Certification refers to China national standard GB 3836. ATEX / IECEx / NEPSI compliance not claimed unless separately certified per project.
Duct Air Heater Specifications
In-line electric heaters for forced-convection air and gas streams in HVAC, drying, curing, and process ventilation. Finned tubular elements for high heat-transfer efficiency.
Technical Specifications
| Parameter | Range / Value |
|---|---|
| Duct Size (W × H) | 200 × 200 mm up to 2000 × 2000 mm (custom round / rectangular) |
| Element Tube Diameter | Ø8 mm – Ø12 mm with spiral fins Ø22 – Ø32 mm |
| Power Range | 3 kW – 1000 kW per duct section |
| Voltage | 220 V / 380 V / 415 V / 480 V; three-phase, Y or Δ |
| Outlet Air Temperature | Up to 450 °C (medium / flow-rate dependent) |
| Element Sheath Material | SUS304 / SUS321 / Incoloy 800 |
| Fin Material | SUS304 / SUS430 stainless steel (spiral fin, brazed) |
| Casing / Housing | Galvanized steel / SUS304; insulated with ceramic fiber 50 – 100 mm |
| Watt Density (Surface Load, finned) | 0.4 – 2.5 W/cm² (per fin surface) |
| Air Velocity | 3 – 15 m/s recommended |
| Pressure Drop | 50 – 300 Pa typical |
| Flange Connection | Standard duct flange per JG/T or custom drawing |
Standard Model Options
| Model | Duct Size | Power | Air Flow | Outlet Temp. |
|---|---|---|---|---|
| HY-DH-09 | 300 × 300 mm | 9 kW | 1500 m³/h | 80 °C |
| HY-DH-24 | 400 × 400 mm | 24 kW | 3000 m³/h | 120 °C |
| HY-DH-60 | 600 × 600 mm | 60 kW | 6000 m³/h | 150 °C |
| HY-DH-120 | 800 × 800 mm | 120 kW | 10000 m³/h | 180 °C |
| HY-DH-250 | 1000 × 1000 mm | 250 kW | 18000 m³/h | 250 °C |
| HY-DH-500 | 1500 × 1500 mm | 500 kW | 35000 m³/h | 300 °C |
Customization Options
- Round or rectangular duct geometry per site drawing
- Built-in PT100 / thermocouple, multi-point temperature sensing
- Air-flow switch and over-temperature interlock
- Modular multi-stage power control (SCR / SSR / contactor)
- Stainless or aluminum-zinc casing for outdoor / corrosive sites
- Ceramic fiber or rockwool insulation thickness 50 – 150 mm
- Explosion-proof version per GB 3836 (Ex d IIB T3/T4)
- Inlet / outlet diffuser plates for uniform flow
- Integrated control cabinet with PID, MODBUS RTU / Profibus
- Specific element material for sulfur, chloride, or salt-air streams
Thermal Oil Heater Specifications
Closed-loop electric heat-transfer-fluid systems for indirect process heating up to 340 °C. Low watt density design protects fluid life; engineered as skid packages with pump, expansion tank, and control panel.
Technical Specifications
| Parameter | Range / Value |
|---|---|
| Heating Vessel DN | DN150 – DN600 |
| Power Range | 20 kW – 2400 kW per unit (parallel skids for larger duties) |
| Voltage | 380 V / 415 V / 480 V / 690 V; three-phase |
| Outlet Oil Temperature | Up to 340 °C (using mineral / synthetic HTF) |
| Inlet / Outlet ΔT | 20 – 40 °C typical |
| Element Sheath Material | SUS304 / SUS316L / Incoloy 800 |
| Vessel Material | Q345R / 20# carbon steel boiler plate; SUS304 optional |
| Watt Density (Surface Load) | 1.2 – 2.5 W/cm² (low-load design for HTF life) |
| Working Pressure | ≤ 1.0 MPa standard; up to 2.5 MPa custom |
| Heat Transfer Fluid | Mineral oil (L-QB300, L-QC320) / synthetic (Therminol, Dowtherm-grade equivalents) |
| Thermal Efficiency | ≥ 95% (electric-to-fluid) |
| Insulation | Aluminum silicate / rockwool 80 – 150 mm with SUS / aluminum cladding |
Standard Model Options
| Model | Power | Outlet Temp. | Flow Rate | Skid Footprint |
|---|---|---|---|---|
| HY-TO-30 | 30 kW | 200 °C | 6 m³/h | 1.5 × 0.9 m |
| HY-TO-72 | 72 kW | 280 °C | 12 m³/h | 2.0 × 1.0 m |
| HY-TO-150 | 150 kW | 300 °C | 25 m³/h | 2.5 × 1.2 m |
| HY-TO-300 | 300 kW | 320 °C | 45 m³/h | 3.2 × 1.5 m |
| HY-TO-600 | 600 kW | 320 °C | 85 m³/h | 4.0 × 1.8 m |
| HY-TO-1200 | 1200 kW | 340 °C | 160 m³/h | 5.0 × 2.2 m |
Customization Options
- Full skid package: heater + circulation pump + expansion tank + filter
- Dual-pump redundancy (one duty / one standby)
- Hot-oil booster pump and de-aeration tank
- Multi-stage SCR / SSR power control for smooth ramp-up
- PLC + HMI touchscreen (Siemens / Mitsubishi / Schneider)
- MODBUS / Profibus / Profinet remote interface
- Multi-zone over-temperature, low-flow, low-level interlocks
- Explosion-proof version per GB 3836 for hazardous areas
- Vessel insulation thickness and cladding material
- Pressure rating uprate to 1.6 / 2.5 MPa per site requirement
- HTF selection consulting (mineral vs. synthetic for target temperature)
- Pre-commissioning, on-site oil-charging and start-up service