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Explosion-proof fixed flange thermocouple
- Product Description
-
Explosion-proof fixed flange thermocouple
1. Applications of Explosion-Proof Fixed Flange Thermocouples:
Explosion-proof thermocouples are usually used in conjunction with display instruments, recorders, electronic computing, and other devices. Directly measures the surface temperature of liquids, vapors, gases, and solids in the 0°C~1300°C range for explosives such as hydrocarbons at the production site.
2. Features of explosion-proof fixed flange thermocouplesMultiple explosion-proof types, excellent explosion-proof performance, spring-type temperature sensing elements, excellent vibration resistance, wide temperature measurement range, high mechanical strength, and good pressure resistance
3. Working principle of explosion-proof fixed flange thermocouples:
Explosion-proof thermocouples use the principle of gap explosion-proof protection, designed with sufficiently strong junction boxes and other components. All components that may generate sparks, arcs, or hazardous temperatures are sealed inside the junction box cavity. When an explosion occurs inside the cavity, the gap between the joint surfaces extinguishes and cools the flame, preventing the flame and temperature from passing outside the chamber, thus providing explosion protection.
4. Explosion-proof fixed flange thermocouple selection tableProduct models
Degree number
Temperature range: °C
Thermal response time
Protective tube materials
Specifications (mm)
d
L x l
WRM-440
WRM2-440
N
0～800
<90S
1Cr18Ni9Ti
φ16
300x150
350x200
400x250
450x300
550x400
650x500
900x750
1150x1000
1650x1500
2150x2000
0～1000
0Cr25Ni20
WRM-440G
WRM2-440G
0～800
<24S
1Cr18Ni9Ti
0～1000
0Cr25Ni20
WRN-440
WRN2-440
K
0～800
<90S
1Cr18Ni9Ti
0～1000
0Cr25Ni20
WRN-440G
WRN2-440G
0～800
<24S
1Cr18Ni9Ti
0～1000
0Cr25Ni20
WRE-440
WRE2-440
E
0～700
<90S
1Cr18Ni9Ti
WRE-440G
WRE2-440G
<24S
WRC-440
WRC2-440
T
0～350
<90S
1Cr18Ni9Ti
WRC-440G
WRC2-440G
<24S
WRF-440
WRF2-440
J
0～600
<90S
1Cr18Ni9Ti
WRF-440G
WRF2-440G
<24S
(1) Thermocouple Class I and Grade A RTDs must be ordered according to agreement;
(2) Temperature measurement range and protective tube material not specified: The protective tube material is uniformly regarded as 1Cr18Ni9Ti;
(3) Other relevant technical parameter requirements can be ordered according to user agreements; Such as length, connection method, single or double pieces, etc
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