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Type K SS310 MI 3.2mm Mineral Insulated Cable for oil and gas
M.I. (Mineral Insulated) cable is used to insulate thermocouple wires from one another and from the metal sheath that surrounds them. Mineral insulated thermocouples are pressed thermo wires in fire resistant magnesium oxide which ensure a high pressure resistance. They are suited for the temperature range -200…+1100 °C. Type K ineral Insulated has two (or four when duplex) thermocouple wires running down the middle of the tube. The tube is then filled with magnesium oxide powder and compacted to ensure the wires are properly insulated and separated. MI cable helps to protect the thermocouple wire from corrosion and electrical interference.
| Code | Wires component of the thermocouple | |
| +Positive leg | -Negative leg | |
| N | Ni-cr-si (NP) | Ni-si-magnesium (NN) |
| K | Ni-Cr (KP) | Ni-Al(Si) (KN) |
| E | Ni-Cr (EP) | Cu-Ni<constantan> (EN) |
| J | Iron (JP) | Cu-Ni<constantan> (JN) |
| T | Copper (TP) | Cu-Ni<constantan> (TN) |
| B | Platinum Rhodium-30% | Platinum Rhodium-6% |
| R | Platinum Rhodium-13% | Platinum |
| S | Platinum Rhodium-10% | Platinum |
| ASTM | ANSI | IEC | DIN | BS | NF | JIS | GOST |
| (American Society for Testing and Materials) E 230 | (American National Standard Institute) MC 96.1 | (European Standard by the International Electrotechnical Commission 584)-1/2/3 | (Deutsche Industrie Normen) EN 60584 -1/2 | (British Standards) 4937.1041, EN 60584 - 1/2 | (Norme Française) EN 60584 -1/2 - NFC 42323 - NFC 42324 | (Japanese Industrial Standards) C 1602 - C 1610 | (Unification of the Russian Specifications) 3044 |
Dia(mm): 0.5 to 12.7 mm.
| Out Sheath(mm) | Core wire Dia.(mm) | Sheath Material | Length(m) | |||||
| Our Dia. | WallThickness | K,N,E,J,T type | S,R,B types | K,N types | E,J,T types | S,R type | B type | |
| 0.5 | 0.05-0.1 | 0.08-0.12 | --- | SS304 SS321 SS316 SS310 INCL600 | SS304 SS321 SS316 | INCL600 INCL800 | INCL600 INCL800 | 500 |
| 1 | 0.1-0.2 | 0.15-0.2 | --- | 300 | ||||
| 1.5 | 0.15-0.25 | 0.23-0.3 | --- | 200 | ||||
| 1.6 | 0.16-0.26 | 0.26-0.36 | --- | 200 | ||||
| 2 | 0.25-0.35 | 0.4-0.5 | 0.25-0.3 | 180 | ||||
| 3 | 0.38-0.48 | 0.5-0.6 | 0.30-0.4 | 80 | ||||
| 3.2 | 0.48-0.58 | 0.58-0.68 | 0.30-0.4 | 75 | ||||
| 4 | 0.52-0.62 | 0.6-0.7 | 0.35-0.4 | 70 | ||||
| 4.8 | 0.73-0.83 | 0.75-0.85 | 0.4-0.45 | 40 | ||||
| 5 | 0.78-0.88 | 0.80-0.90 | 0.4-0.45 | 40 | ||||
| 6 | 0.98-1.08 | 0.90-1.1 | 0.45-0.5 | 30 | ||||
| 6.4 | 1.05-1.15 | 1.02-1.12 | 0.45-0.5 | 30 | ||||
| 8 | 1.30-1.44 | 1.30-1.40 | 0.45-0.5 | 20 | ||||
| 12.7 | 1.75-1.90 | 1.92-2.05 | --- | 10 | ||||
| Product name | code | type | sheath material | out Dia.(mm) | Temperature |
| Ni Cr-Ni-Si | KK | K | SS304 | 0.5-1.0 | 400 |
| SS321 | 1.5-3.2 | 600 | |||
| SS316 | 4.0-8.0 | 800 | |||
| 0.5-1.0 | 500 | ||||
| SS310 | 1.5-3.2 | 800 | |||
| INCL600 | 4.0-6.4 | 900 | |||
| 8.0-12.7 | 1000 | ||||
| NICROBELL | 4.0-6.4 | 900 | |||
| 8.0-12.7 | 1200 | ||||
| Ni Cr Si-Ni Si | NK | N | SS304 | 0.5-1.0 | 400 |
| SS321 | 1.5-3.2 | 600 | |||
| SS316 | 4.0-8.0 | 800 | |||
| 0.5-1.0 | 500 | ||||
| SS310 | 1.5-3.2 | 800 | |||
| INCL600 | 4.0-6.4 | 900 | |||
| 8.0-12.7 | 1000 | ||||
| NICRPBELL | 4.0-6.4 | 900 | |||
| 8.0-12.7 | 1200 | ||||
| Ni Cr-Constantan | EK | E | SS304 | 0.5-1.0 | 400 |
| SS321 | 1.5-3.2 | 500 | |||
| SS316 | 4.0-8.0 | 800 | |||
| Fe-Constantan | JK | J | SS304 | 1.0 | 300 |
| SS321 | 1.5-3.2 | 500 | |||
| SS316 | 1.0-8.0 | 800 | |||
| Cu-Constantan | TK | T | SS304 | -200-100 | |
| SS321 | 100-200 | ||||
| SS316 | 100-350 |
