Location -> Products -> Temperature -> Thermocouple and Thermal Resistance -> Petrochemical Industry-purpose Thermocouple (RTD)
Type：thermocouple under high temperature & pressure
Illustrate：It is used for temperature test & control during production process under high temperature and pressure such as petroleum and chemical industry, and is the necessary temperature-measuring device in refinery and HVPE production.
Thermocouple under High Temperature & Pressure
Application
It is used for temperature test & control during production process under high temperature and pressure such as petroleum and chemical industry, and is the necessary temperature-measuring device in refinery and HVPE production.
Main Technical Parameters
Electric Outlet: M20×1.5 NPT1/2
Connection Size: M20×1.5 NPT1/2
Protection Class: IP65
Explosion-separation Class: dⅡBT4, dⅡCT5
Nominal Pressure: 15～40MPa
Type & Specification
Protection Tube Selection
Flange Selection: 900( PN15)～2500LB(PN40) RJ.
Flange Type & Specification
Flange Standard Code
Flange Specification
CLASS150~600 RF
CLASS900~2500 RJ
Notices in Type Selection
WRNG-440A L×I+450×300 dⅡBT4 316L
ANSI 1” 1500#RJ
Application
It is used for temperature test & control during production process under high temperature and pressure such as petroleum and chemical industry, and is the necessary temperature-measuring device in refinery and HVPE production.
Main Technical Parameters
Electric Outlet: M20×1.5 NPT1/2
Connection Size: M20×1.5 NPT1/2
Protection Class: IP65
Explosion-separation Class: dⅡBT4, dⅡCT5
Nominal Pressure: 15～40MPa
Type & Specification
| Type | Graduation |
Measuring Range °C |
Thermal Response Time |
Protection Tube Material |
L×1 |
| WRNG-430 | N | 0～800 | ＜180S | 1Cr18Ni9Ti |
380×150 430×200 480×250 530×300 580×350 630×400 680×450 |
| WRN2G-430 | |||||
| WREG-430 | E | 0～600 | |||
| WRE2G-430 | |||||
| WRNG-440 | K | 0～800 | |||
| WRN2G-440 | |||||
| WREG-440 | E | 0～600 | |||
| WRE2G-440 |
- We provide different class I thermocouple as user’s demand.
- We also produce protection tube of other material.
- Type 430 is water-proof one, and type 440 is explosion-separation one
| Material | Operation Temperature ℃ | Characters & Application |
| 1Cr18Ni9Ti | -200～800 |
Corrosion resistance under high temperature, usually used as general heat-resistant steel |
| 304 | -200～800 |
Low carbon content, strong corrosion resistance, usually used as general heat-resistant steel |
| 316 | -200～750 |
Low carbon content, strong corrosion resistance, used as corrosion-resistant steel |
| 316L | -200～750 |
Extra low carbon content, strong corrosion resistance, used as corrosion-resistant steel |
| 310S | -200～1000 |
Oxidization & corrosion resistance under high temperature, usually used as heat-resistant steel |
| GH3030 | 0～1100 |
Nickel-base alloy steel resisting high temperature, oxidization & corrosion, usually used as heat-resistant steel |
Flange Selection: 900( PN15)～2500LB(PN40) RJ.
| Code | N | M | D | d | D1 | D2 |
| A |
M20×1.5 NPT1/2 |
NPT1” | Φ34 | Φ9 | Φ23 | Φ18 |
| B | NPT11/4” | Φ45 | Φ9 | Φ28 | Φ23 |
Flange Standard Code
| Standard Code | Document NO. |
| China National Standard | GB9112~9131-88 |
| Ministry of Chemical Industry Standard (China) |
HG20592~20635~97 HGJ44~76~91 (HG5001~5028-58) |
| Ministry of Machinery Standard (China) |
JB/T74~90-94 (JB81~82-59) |
| U.S. Standard | ASME/ANSI B16.5-88 |
| Germen Standard | DIN 2628~2638-1975 |
| Japan Standard | JIS2201-1796 |
CLASS150~600 RF
CLASS900~2500 RJ
Notices in Type Selection
- ype
- Graduation
- Accuracy
- Protection Tube Material & Form
- Flange Specification & Form
- Length or Insert Length
WRNG-440A L×I+450×300 dⅡBT4 316L
ANSI 1” 1500#RJ
Last：thermocouple with knife joint f.. Next：thermocouple for multi points
