Technical method of high temperature and high pressure thermocouple

It is suitable for temperature measurement and control in high temperature and high pressure places in the production process of petroleum and chemical industry. It is an indispensable temperature device for oil refineries and high-pressure polyethylene. 1. Technical parameters: electrical outlet: M20x1.5, NPT1/2, connection size: M20x1.5, NPT1/2, protection class: IP65, explosion-proof class: d‖BT4, d‖CT5, nominal pressure: 15-40MPa 2. model and It is suitable for temperature measurement and control in high temperature and high pressure places in the production process of petroleum and chemical industry. It is an indispensable temperature device for oil refineries and high-pressure polyethylene. 1. Technical parameters: Electrical outlet: M20x1.5, NPT1/2 Connection size: M20x1.5, NPT1/2 Protection class: IP65 Explosion-proof class: d‖BT4, d‖CT5 Nominal pressure: 15-40MPa2, model and specification Model Indexing Number Temperature Measurement Range ℃ Thermal Response Time Protection Tube Material Specification LxlWRNG-430WRN2G-430K0-800＜180S1Cr18Ni9Ti380x150430x200480x250530x300580x350630x400680x450WREG-430WRE2G-430E0-600WRNG-440WRE2G-440K0-800G-440WRE2G-440K0-800G-440WRE2G-440K0-6 2) The remaining materials of the protection tube are ordered according to the agreement; 3) Model 430 is waterproof, and model 440 is explosion-proof. 3. Protection tube material and selection of materials. Features and uses of temperature ℃ 1Cr18Ni9Ti-200-800 has high temperature corrosion resistance, usually 304-200-800 low carbon content for general heat-resistant steel, has good intergranular corrosion resistance, usually As general heat-resistant steel, use 316-200—750 low carbon content, with good intergranular resistance, usually use 316L-200—750 ultra-low carbon content as heat-resistant steel, and have good intergranular corrosion resistance, usually used as heat-resistant steel 310S-200—1000 has high temperature oxidation resistance and corrosion resistance. GH30300—1100 nickel-based high temperature alloy steel is usually used as heat-resistant steel. It has excellent oxidation resistance and corrosion resistance. It is usually used as heat-resistant steel. 4. Casing Type selection flange can choose 900 (PN15)-2500LB (PN40) RJ and other different types. The code name is NMDdD1D2AM20x1. 5 (NPT1/2) NPT1 'Φ34Φ9Φ23Φ18BNPT11/4'Φ45Φ9Φ28Φ235, flange model and specification flange standard code standard code document number Chinese national standard GB9112-9131-88 Chinese Ministry of Chemical Industry standard HG20592-20635-97 (HGJ44-76-91 ) (HG5001-5028-58) Chinese Ministry of Machinery Standard JB/T74-90-94 (JB81-82-59) American Standard ASME/ANSI B16. 5-88 German standard DIN 2628-2638-1975 Japanese standard JIS2201-17967, selection instructions 1) Model 2) Indexing number 3) Accuracy class 4) Protection tube material and form 5) Flange specification and form 6) Length or Insertion depth example A: high temperature and high pressure explosion-proof thermocouple K type 1 grade protection tube A type insert depth 300mm. WRNG-440A L × 1u003d450 × 300 mm. d Ⅱ BT4 316L ANSI 1 ″ 1500 #