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Thermowells are designed to give protection against pressure and corrosion to the primary sensing element like bimetal and gas filled thermometers, thermocouples and thermo elements
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Conax Technologies provides standardized wells in most of the common connection types, including threaded, flanged and socket weld types with standard bore sizes. Threaded wells are available in materials that can be readily welded. Flanged wells are manufactured by welding a bar stock well to the specified flange style. Doubled-welded construction reduces crevice corrosion and stress problems by ensuring that no open joints are exposed inside or outside the installation
Thermowells are pressure-tight receptacles that extend the life of a temperature in environments where the sensor is not chemically compatible with the process media or the sensor does not have the mechanical strength to withstand the process flow or pressure. Thermowells also facilitate removing, changing, checking or replacing sensors without draining the process system. The use of standardized thermowells throughout a plant permits easy relocation of sensors.
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Applications:
- Petrochemical, On/Offshore, plant engineering
- For high process loads
Special Features:
- Heavy construction
- TW10-F: Full penetration welded construction
- TW10-P: Partial penetration welded construction ( filled a=3mm minimum)
- Available shank style: tapered, straight, stepped
- Welding certification acc. to ASME Section IX and AD2000 HP2/1 with DIN EN ISO 15614 part 1 for stainless steels and exotic alloys
Description:
- Thermowell material: Stainless steel 304/304L, 316/316L, 1.4571, 1.4404, A105, exotic materials
- Flange: Blindflange per ASME B16.5 / EN 1092-1 / DIN 2527
- Instrument connection: NPT, G female
- Bore size: 6.6 mm, 8.5 mm
- Insertion length U: To customer specification (max. 1800 mm for stainless steel)
- Head length H: To customer specification (standard: 57 mm, 83 mm)
- Options: Other flanges, dimensions, bore sizes and materials, Quality certificates, Extra long thermowells per IN 00.16 in multi piece construction
Wake frequency calculation per ASME PTC 19.3 are recommended in critical applications. WIKA offers this as an engineering service.
- This thermowell replaces the old models: SI400F, SI410F, SW400F
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Roessel thermowells for highest demands are made from solid material. For less critical applications tube designs with weld-in bottoms are used.
We supply designs to all national and international standards, as well as special designs to customer specifications. Roessel thermowells are pressure-tested and can be supplied with X-ray certificate and/or official acceptance certificate.
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OMEGAs range of stainless steel welded construction thermowells are designed for use with our 6mm or 1/4" diameter thermocouple or PT100 sensors. They are ideally suited to applications where the sensor may need to be removed without affecting the process, such as in pipes and tanks.
The insertion length is measured from the base of the threads to the tip of the thermowell.
The "To-Order" table below lists our standard models. Omega manufacture thermowells with many different fittings, diameters, lengths and materials. Please contact our sales department to discuss your specific requirements.
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Watlow manufactures and designs all types of thermowells. Our thermowell designs are representative of the types of basic styles in popular usage throughout the industry. Special designs, as well as modifications of our standard offerings are also available.
Drilled from solid bar stock, the thermowell protects the temperature sensor from corrosion, high pressure and high velocity environments.
Applications
Petrochemical
Chemical
Oil refineries
Power plants
Storage tanks and lines
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Welded Type: WSF, WLF
Drilled Bar Stock Type: BSF,BLF,BTF,BTLF,BPSF,BPLF
Material: SS304,SS316,SS316L,Monel, Hastelloy C276, Brass, Carbon steel, Titanium (special material available upon request)
Process Connection: 1/2"~4" flange available, flange rating-ANSI,DIN,JIS available (special flange upon request)
Instrument Connection: 1/2"NPT, 3/4"NPT female available (specifal thread upon request)
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Included in our thermowell series are standardized wells of threaded, ANSI flanged, Van Stone and Weld-in types.
Threaded wells are made in readily welded or brazed materials for installations requiring seal welding or brazing. The pipe thread provides the mechanical strength, the weld merely seals.
ANSI flanged wells consist of a bar-stock well which is permanently welded to a top quality flange. Standard construction uses primary "J" groove weld and a bevel groove secondary weld. Both welds are machined to produce a clean fillet. This double welded construction eliminates possibility of crevice corrosion since no open joints are exposed from either inside or outside the installation.
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Build-up tube PN 25
Bar stock PN 100, stepped shank
Bar stock PN 250, tapered shank
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We are specialized in manufacturing of Thermowells for all kinds of thermometers and temperature sensing elements. They are manufactured in high quality CNC machines to meet European / American quality standards .
Thermowells available are:
>> Threaded Thermowells
>> Flanged Thermowells
>> Stepped Thermowells
>> Vanstone Thermowells
>> Socket weld Thermowells
>> Weld-in Thermowells
Materials :AISI SS304, SS316, SS316L, SS310, HRS446, Inconel 600/800,Hastalloy,Monel etc.
Thermowells are also available in fabricated or drilled barstock Type.
Tempsens also manufacture special type of Thermowell on customer demand and as per application requirement .Such as:
- Metal Thermowells with Tungsten Carbide / Ceramic / PTFE / PVDF / PFA Coatings
- Thermowells with Solid Sintered Tungsten Carbide,
- Silicon Carbide ,
- Platinum Thimble
- Tantalum Thimble
- Nickle Cladding Graphite Thermowells
- IBR Stamped Thermowells
Thermowells designs depends on pressure and velocity.
Procedure and Certificate :-
A wide range of documentation and Non Destructive Testing can be provided on request
1. Material Certification
2. Certificate of Conformity
3. Hydrostatic Pressure Test
4. Dye Penetrant Inspection
5. Radiography
6. Ultrasonic Bore Concentricity Test
7. Positive Material Identification
8. Intergranular Corrosion Test
9. Hardness Testing
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FT 4020 Flanged Thermowell
These thermowells are made from bar stock material acc. to DIN 43772 form
4F and have a welded process flange DIN/EN DN 25 to DN 50 ( ASME 1" to
2" ).
They resist high stresses caused by strong vibrations, flow rates, high pressures and temperatures.
Load diagram see DIN 43772
Length below flange and flange rating to be specified
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Welded Type: WST, WLT
Drilled Bar Stock Type: BST,BLT,BTT,BTLT,BPST,BPLT
Material: SS304,SS316,SS316L,Monel, Hastelloy C276, Brass, Carbon steel, Titanium (special material available upon request)
Process Connection: 1/2"~2" male available (special thread upon request)
Instrument Connection: 1/2"NPT, 3/4"NPT female available (specifal thread upon request)
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Models-2066,2067,2068,2069
Materials
Stainless Steel AISI, 316, 316L, 304, 304L, 321
Monel
Hastelloy
Brass
Mild Steel
Lengths
Solid dulled - 50 mm to 700mm
Fabricated - 50 mm to 3 mtrs
Forged - 50 mm to 600 mm
Threads
1/2",3/4", 1",BSRNPT
Flanges
Flange size and rating to be specified when ordering
Test procedures
Details of required test procedures should be advised when ordering
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Description & Features:
Available in a wide range of materials for use on most applications
Standard stepped construction offering is complemented by an array of custom thermowells including: straight, tapered, sanitary and flanged configurations
1 year warranty
Applications:
Allows for the creation of a sealed system, whereby the thermometer can be removed from the application without the need for shutting down or draining the system
To protect the thermometer from possible exposure to the process media
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