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Measuring principle
Bar stock Thermowell
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Characteristic / Application
metric style
flanged process connections
round extension -
Head connection
internal thread:
1/2″ NPT
1/2″ NPSM -
Maximum standard immersion length
1000 mm (39,37″)
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Max. immersion length on request
5.000 mm (196,85″)
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Process connection
flange:
ASME 1″ 150 RF (B16.5)
ASME 1″ 300 RF (B16.5)
ASME 1″ 600 RF (B16.5)
ASME 1 1/2″ 150 RF (B16.5)
ASME 1 1/2″ 300 RF (B16.5)
ASME 1 1/2″ 600 RF (B16.5)
ASME 1 1/2″ 1500 RF (B16.5)
ASME 1 1/2″ 600 RTJ (B16.5)
ASME 2″ 300 RF (B16.5)
ASME 2″ 600 RF (B16.5)
ASME 2″ 300 RTJ (B16.5)
ASME 2″ 600 RTJ (B16.5)
DN25 PN16 B1
DN25 PN40 B1
DN40 PN40 B1
DN50 PN40 B1 -
Thermowell root diameter
27 mm (1,06″)
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Medium contact material
1.4401 (316)
1.4404 (316L)
1.4571 (316Ti) -
Wetted part finishing (Ra)
< 0.8 μm (31.50 μin)
< 1.6 μm (63.00 μin) -
Tip shape
straight
conical
conical tapered -
Temperature range
-200…700 °C (-328…1.292 °F)
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Max. process pressure (static)
500 bar (7252 psi)
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Max. process pressure at 400 °C
depends on process connection
Field of application
Due to the challenging process conditions by heavy duty applications the load capacity of a thermowell must be calculated exactly. Dye penetration tests, ultrasound test, helium leakage test, pressure endurance test as well as various, non-destructive material tests prove the quality of materials and processing.
TA575 is designed for use with resistance and thermocouple thermometers mainly in heavy duty applications.
Benefits
The extension, the immersion and the tapering lengths as well as the bar dimensions can be chosen according to process requirementsA wide choice of standard materials and flanged connections is available; special versions can be ordered according to specificationDifferent grades of surface finishing are also availableThe thermowell stem shape is conicalThe process connection is flanged with double sided standard or full penetration weld