1¡¢Application
Suitable for petroleum, chemical and other production sites in the process of high temperature and high temperature measurement and control. Refineries, high-pressure polyethylene and other essential temperature devices¡£
2¡¢Main technical parameters
Electrical exports£ºM20x1£®5,NPT1/2
Connection size£ºM20x1£®5, NPT1/2
Protection£ºIP65
Explosion levels£ºd¡¬BT4, d¡¬CT5
PN£º15-40MPa
3¡¢Models and specifications
| Model |
Dividing number |
Temperature range¡æ |
Thermal response time |
Protection tube material |
Specifications Lxl |
WRNG-430
WRN2G-430 |
K |
0-800 |
£¼ 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 Grade I order according to the agreement£»
2) Protection tube material remaining orders by agreement£»
3) Model 430 for the waterproof type, model 440 is explosion-type¡£
4¡¢Protection tube material and selection
| Material |
Operating Temperature¡æ |
Characteristics and uses |
| 1Cr18Ni9Ti |
-200 ¡ª 800 |
High temperature corrosion resistance, usually used for general heat-resistant steel |
| 304 |
-200 ¡ª 800 |
Low carbon content, with good resistance to intergranular corrosion, heat-resistant steel is often used as a general |
| 316 |
-200 ¡ª 750 |
Low carbon content, good resistance to intergranular often used as a heat-resistant steel |
| 316L |
-200 ¡ª 750 |
Ultra-low carbon content, with good resistance to intergranular corrosion, usually used as a heat-resistant steel |
| 310S |
-200 ¡ª 1000 |
High temperature oxidation resistance, corrosion resistance, often used as a heat-resistant steel |
| GH3030 |
0 ¡ª 1100 |
High-temperature nickel-based alloy with excellent oxidation resistance, corrosion resistance, often used as a heat-resistant steel |
5¡¢Casing in the form selection
Optional flange 900 (PN15) - 2500LB (PN40) RJ and other forms¡£
| Accession number |
N |
M |
D |
d |
D1 |
D2 |
| A |
M20x1 £® 5(NPT1/2) |
NPT1 ¡å |
¦µ34 |
¦µ9 |
¦µ23 |
¦µ18 |
| B |
NPT11/4 ¡å |
¦µ45 |
¦µ9 |
¦µ28 |
¦µ23 |
6¡¢Flange type and specifications
Flange type and specifications
| Standards on behalf of the number |
Paper No |
| Chinese national standards |
GB9112-9131-88 |
| Chinese Ministry of Chemical Industry standards |
HG20592-20635-97
£¨ HGJ44-76-91 £©
£¨ HG5001-5028-58 £© |
| China National Machinery Ministry standards |
JB/T74-90-94
£¨ JB81-82-59 £© |
| U.S. standards |
ASME/ANSI B16 £® 5-88 |
| German standards |
DIN 2628-2638-1975 |
| Japanese standards |
JIS2201-1796 |
7¡¢Flange specifications
CLASS150-600 RF
CLASS900-2500 RJ
8¡¢Selection Notice
1£©Model
2£©Dividing number
3£©Accuracy
4£©Protection tube material and form
5£©Flange size and form
6)Length or insertion depth
Example A: K-type thermocouple high temperature and pressure explosion-proof protection of an A-type tube insertion depth of 300mm. WRNG-440A L ¡Á 1 = 450 ¡Á 300 mm. d ¢ò BT4 316L ANSI 1 "1500 # RJ |
