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16×300mm Stainless Steel Sheathed Explosion Proof Type K Thermocouple 1000mm Probe
16×300mm Stainless Steel Sheathed Explosion Proof Type K Thermocouple
1000mm Probe Length for Hazardous Industrial Environments
Product Overview
This explosion-proof Type K thermocouple from Tankii Alloy Material is a heavy-duty industrial temperature sensor engineered specifically for hazardous environments. Featuring a cast aluminum explosion-proof head, 304/316 stainless steel protective sheath, and Type K thermocouple elements, it delivers reliable temperature measurement up to 1200℃ continuous operation.
Certified Safety: Meets explosion-proof standards (Ex d IIB T6) for use in Zone 1/2 hazardous areas including petrochemical plants, refineries, and power generation facilities.
Standard Designations & Core Materials
- Thermocouple Type: Type K (Chromel/Alumel; IEC 60584-2 Class 1)
- Explosion-Proof Grade: Ex d IIB T6 (Zone 1/2 hazardous areas)
- Sheath Material: 304 Stainless Steel (316/316L optional for corrosion resistance)
- Sheath Specification: 16mm diameter × 300mm insertion length; total probe length 1000mm
- Conductor Specification: 2×1.0mm (MgO insulated, high-temperature)
- Head Material: Cast aluminum (IP65/IP67 protection)
- Process Connection: M20×1.5 or 1/2″ NPT threaded mounting
- Compliance: IEC 60584-2, GB/T 4989-2013, ATEX, IECEx, RoHS 2.0
Key Performance Advantages
Explosion-Proof Safety & Reliability
- Ex d IIB T6 certification prevents ignition of flammable gases and vapors
- IP67 protection resists dust, water, and oil mist for harsh environments
Ultra-High-Temperature Performance
- 1200℃ continuous operation with 1300℃ short-term capability
- Fast thermal response time (τ₅₀) ≤3s in air at 1000℃
- No insulation breakdown or element drift after 1000 hours at 1100℃
Rugged Mechanical Design
- 16mm diameter stainless steel sheath resists bending and vibration
- Threaded mounting for secure installation in pressure vessels
- Adjustable insertion depth for flexible application
Technical Specifications
| Attribute | Value (Typical) |
|---|---|
| Thermocouple Type | Type K (Chromel/Alumel) |
| Explosion-Proof Grade | Ex d IIB T6 |
| Sheath Material | 304 Stainless Steel (316/316L optional) |
| Sheath Dimensions | 16mm diameter × 300mm insertion length; total length 1000mm |
| Conductor Diameter | 2×1.0mm (MgO insulated) |
| Process Connection | M20×1.5 / 1/2″ NPT (customizable) |
| Operating Temperature Range | 0-1200℃ (continuous); 0-1300℃ (short-term ≤30min) |
| Accuracy Class | Class 1 (IEC 60584-2) |
| Thermoelectric Potential Error | ±1.5℃ (0-600℃); ±0.25% t (600-1200℃) |
| Thermal Response Time (τ₅₀) | ≤3s (in air at 1000℃) |
| Insulation Resistance (25℃) | ≥1000 MΩ*km |
| Protection Level | IP67 (head & sheath) |
| Vibration Resistance | 10-2000 Hz, 10g (meets industrial vibration standards) |
Product Specifications
| Item | Specification |
|---|---|
| Supply Form | Single probe (pre-assembled with explosion-proof head); bulk packaging (5/10 pcs/carton) |
| Junction Type | Grounded (fast response) or ungrounded (isolated) |
| Surface Treatment | Sheath: pickled/passivated; head: powder-coated (gray) |
| Packaging | Wooden crate + foam insert (prevents damage during shipping) |
| Customization | Sheath diameter (8-25mm); insertion length (100-1000mm); total length (500-2000mm); sheath material (304/316/316L); connection type (threaded/flanged); thermocouple type (K/J/T/E/R/S/B) |
Typical Application Scenarios
- Petrochemical Industry: Temperature monitoring in oil refineries, gas pipelines, and chemical reactors
- Metallurgical & Power Plants: Furnace temperature measurement, boiler tube monitoring, and flue gas temperature sensing
- Oil & Gas Exploration: Downhole temperature sensors and pipeline monitoring with vibration and corrosion resistance
- Chemical Processing: High-temperature reactor and distillation column temperature control with 316L sheath option for corrosive media
Manufacturer: Tankii Alloy Material, certified to ISO 9001 and IATF 16949 quality standards.
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