Resistance to high temperature and high pressure thermocouple is suitable for the temperature measurement and control of high temperature and high pressure places in the production process of petroleum and chemical industry.high temperature thermocouple is an indispensable temperature device for refineries and high pressure polyethylene.
2. Main technical parameters
electrical outlet: M20x1.5, NPT1 / 2 connection
size: M20x1.5, NPT1 / 2
Protection grade: IP65
Explosion proof grade: d∥BT4, d∥CT5
Nominal pressure: 15-40MPa
3, Model and specification
Model |
Indexing number |
Temperature measurement range ℃ |
Thermal response time |
Protective tube material |
Specification Lxl |
WRNG-430 WRN2G-430 |
K |
0-800 |
< 180S |
1Cr18Ni9Ti |
380x150 430x200 480x250 530x300 580x350 630x400 680x450 |
WREG-430 WRE2G-430 |
E |
0-600 |
|||
WRNG-440 WRN2G-440 |
K |
0-800 |
|||
WREG-440 WRE2G-440 |
E |
0-600 |
1) Thermocouple class I shall be ordered according to the agreement;
2) other materials of protective tube shall be ordered according to the agreement;
3) Model 430 is waterproof and model 440 is explosion-proof.
4. Material and selection of protection pipe
Texture of material |
Operating temperature ℃ |
Features and uses |
1Cr18Ni9Ti |
-200 - 800 |
High temperature corrosion resistance, usually used for general heat-resistant steel |
304 |
-200 - 800 |
Low carbon content, good intergranular corrosion resistance, usually used as general heat-resistant steel |
316 |
-200 - 750 |
Low carbon content, good intergranular resistance, usually used as heat-resistant steel |
316L |
-200 - 750 |
Ultra low carbon content, good intergranular corrosion resistance, usually used as heat-resistant steel |
310S |
-200 — 1000 |
High temperature oxidation resistance, corrosion resistance, usually used as heat-resistant steel |
GH3030 |
0 - 1100 |
Nickel base superalloy steel, with excellent oxidation resistance and corrosion resistance, is usually used as heat-resistant steel |
5.Protection Tube type selection
6. flange model and specification
Flange standard code
Standard code |
Document No |
China National Standard |
GB9112-9131-88 |
Standard of Ministry of chemical industry of China |
HG20592-20635-97 ( HGJ44-76-91 ) ( HG5001-5028-58 ) |
Standard of China Ministry of machinery |
JB/T74-90-94 ( JB81-82-59 ) |
American Standard |
ASME/ANSI B16 . 5-88 |
German standard |
DIN 2628-2638-1975 |
Japanese standard |
JIS2201-1796 |
7,Flange specification
Class150-600 RF
class900-2500 RJ
8,Notices in Type Selection
1) model
2) graduation
3) accuracy grade
4) material and form of protection tube
5) flange specification and form
6) length or insertion depth
example a: high temperature and high pressure flame-proof thermocouple K type 1 protection tube a type insertion depth 300 mm. Wrng-440a L × 1 = 450 × 300 mm. D Ⅱ BT4 316L ANSI 1 ″ 1500 RJ
Contact: Tiankang Export Sales Department
Phone: +86-18226665885
Tel: +86-0550-7788337
Email: sales@chinathermocouple.com
Add: No.20# RenHe South Road,TianChang,AnHui Province,China