Ashcroft thermowell 75w pdf file

If you need assistance with the specification of a probe or well, or you want a type of probe or thermowell not included in this document, a. A thermowell is a pressuretight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. A thermowell is the pressuretight receptacle designed to protect sensitive temperature measurement instrumentation from harsh process conditions. A thermowell allows the temperature sensor to be removed and replaced without compromising either the ambient region or the process. A thermowell protects the temperature instrument, permits the instrument to be exchanged or calibrated, and keeps dangerous or expensive media within the process. The final step is an evaluation of the thermowell length based on the steady state stress. Our objective is to earn your business the old fashion way through quality products and exceptional customer service. A thermowell allows you to get an accurate temperature measurement of your beer, wort, water or other liquid while protecting the sensor being used to get the measurement.

A perfect solution for protecting the process and extending product service life. Ashcroft thermowell straight shank, threaded, with or without lag. Thermowell selection and application burns engineering. Serving to isolate and protect your temperature instrumentation.

Probes with hex nipple thread directly into thermowell. Overview in some applications with nonbapi products, there are thermal transfer concerns due to a large gap between the interior wall of the thermowell and the outside of the immersion temperature sensor probe that is inserted. A element 14length 12 dia260 bore 1 thread allowance p npt 12 npsm standard threaded thermowells for 14 diameter elements application. Thermowell the a500 thermowell is machined from a single piece of brass or stainless steel to provide a rugged and leakproof well for mamac systems temperature sensors. A thermowell consists of a tube closed at one end and mounted in the process stream. Wika part of your business solutions for pressure, temperature, force and level measurement, flow measurement, calibration and sf 6 gas solutions from wika are an integral component of our customers business processes. Ashcroft thermowells select from the broadest range of sizes, insertion lengths. This serves to isolate and protect the sensing instrument, and permits removal of a sensing instrument without shutting down the process. How to order eight steps to thermowell selection ashcroft.

The process connection is available in different sizes ranging from 0. Trerice industrial thermowell, internal thread size 114. Ashcroft thermowell stem connection 6 in 75w0450rt260s. Flanged thermowells are appropriate for high pressure applications, typically larger pipe sizes and are designed to mate up to an existing flange. This reflects the companys commitment to supporting your financial, career development, health and life goals. Thermowells for springloaded thermocouples and rtds or. The ashcroft thermowells gauges offer high quality and durability for an affordable price.

All specifications are subject to change without notice. The robust thermowell is designed for use in demanding and safety relevant applications e. In critical applications an additional calculation is recommended. Ashcroft home tools part number configurator thermowells. If you receive a damaged or defective item or you are dissatisfied with a product for any reason, you can return it for an exchange or refund within 30 days. Operating instruction for the thermowell calculation program according to asme ptc 19. The ashcroft thermowells gauges offer high quality and. This determines the maximum length the thermowell can be in order to handle the bending stress. Screwed thermowells model sm, st, rt and ht ashcroft. Keep up with the latest on products and applications. Ashcroft provides a comprehensive compensation and benefits program.

Care must be taken in determining the material used for the thermowell as well as other factors. At ashcroft we are committed to serving our customers by proactively developing and implementing products that are compliant and approved. Ashcrofts wide variety of thermowells are available for light duty, high pressures, high temperatures, or high velocity appli cations as well as meeting many general service industry needs. Understanding a few basic rules for good thermowell design and using. How dimensions are established for the wells and the immersion probes that fit into them are not readily apparent. Stainless steel is a great material for making a thermowell because it quickly attains the temperature of the liquid. Looking for downloadable 3d printing models, designs, and cad files.

Reflected in you pdf download 2shared blender africana. Ashcroft thermowell stem connection 6 in 75w0450rt260s flw. A tsw400 series thermowells thermowell styles pages 4 to 25 show the style of thermowell available and is the first consideration when selecting a thermowell. Thermo sensors offers design assistance that includes pressure. Single or dual independently adjustable setpoints meet all setpoint requirements watertight nema 4x, ip66 enclosure choice of switch elements for all. Thermowell manufacturer, thermowell assemblies thermowells. Lag, shank styles, types, materials of construction and pressure rating.

Series itw industrial thermometer thermowell reduces. Once the thermowell begins to bind, stop and remove the thermowell and. Choose your product specifications and options below to configure your product. Thermowell and immersion probe installation overview application note thermowells are hidden in pipes and are rarely seen. Sizing a threaded ashcroft thermowell with an ashcroft bimetallic thermometer. A thermowell may seem like nothing more than a hunk of metal that exists to protect the temperature sensor from damage, but, in many ways, it is the one component in a temperature assembly that has the greatest influence on the overall efficiency of the temperature measurement. Thermowell and immersion probe installation overview.

A properly selected thermowell will protect the temperature instrument from possible damage resulting from these process variables. Using thermal grease in thermowells application note. Image modeldescription process connection materials bore size. Screwed thermowells model sm, st, rt and ht features solid bore construction materials according nace mr 0175iso 15156 selection of materials standard and customer specifications iso 2281 and ansiasme b1. Thermo sensors offers design assistance that includes pressure, temperature and. In order to improve thermal transfer and to eliminate condensation forming within the thermowell, mamac systems offers a high grade thermal compound a505 for the a500 thermowell.

If the thermowell will not slide fully into the nozzle, gently remove the thermowell for modification. Thermowells thermowell design and selection criteria 918 tw1 a thermowell is a pressuretight receptacle that protects and extends the life of a temperature sensor in processing applications where the sensor is not mechanically or chemically compatible with the process environment. Well shed some light on how, why, and when to apply this important device. The product with part number 75w0250ht260s thermowells threaded configuration is from company ashcroft and distributed with basic unit price 75,38 eur. Threaded thermowell, hex size 1 18 inches, shank base diameter 34 inch, shank length 4 12 inches, bore depth 6 inches, dimensions npt 34 inch simple type. This version of internet explorer is either no longer supported by microsoft, or is obsolete and some features of our store may no longer be supported. Looking for trerice industrial thermowell, internal thread size 11418 straight, stem length 3. Installed directly into piping systems, thermowells facilitate sensor replacement in high pressure pipelines and eliminate the need to interrupt the. Essentially a hollow tube extending into a process flow of steam, gas or liquid, a thermowell routinely endures some of the most corrosive environments in industry. Using thermal grease in thermowells in some applications with nonbapi products, there are thermal transfer concerns due to a large gap between the interior wall of the thermowell and the outside of the immersion temperature sensor probe that is inserted into the thermowell.

The ashcroft threaded thermowells are utilized when pressure, high velocity and corrosive process media exist. Series itw thermowells are available with 212 and 5 insertion lengths and with the option of a 212 lagging extension. Nf stamp tag number on thermowell nh stainless steel tag wired to unit w9 internal hydrostatic test certification. An understanding of process conditions that affect thermowell performance, basic design, and installation criteria is essential to selecting the best thermowell for the particular application. Since we couldnt include all of the possible variations, the information in the document is intended to cover the most commonly used probes and thermowells. Thermowell with threaded process connections and hexagonal extension. Ashcroft thermowell stem connection 2 12 in 75w0162sm260s. Thermowells for temperature instruments are recommended for all process systems where pressure, velocity or viscous, abrasive and corrosive materials are present individually or in combination.

Here is some general information on thermowell technology. However, these devices havent gained much popularity in industrial applications. Alloy engineerings more than 50 years experience manufacturing high specification thermowells across a broad cross section of industries and processes has developed a wealth of expertise in engineering, materials and production that ensures our customers the best value in quality, delivery and service in the industry. A temperature sensor such as a thermometer, thermocouple or resistance temperature detector is. A 0715, page 1 of 1 product information page ashcroft thermowells.

For reference only, consult ashcroft for specific dimensional drawings 3 of 3 data sheet flanged thermowells all speci. Threaded thermowell, hex size 1 18 inches, shank base diameter 34 inch, shank length 7 12 inches, bore depth 9 inches, dimensions npt 34 inch simple type. Thermowells straight configuration tapered configuration stepped configuration application thermowells for temperature instruments are recommended for all process systems where pressure, velocity or viscous, abrasive and corrosive materials are present individually or in combination. The series itw thermowells reduce installation cost and time by eliminating the need to drain the system when servicing industrial thermometers. The thermowell used with your temperature sensor provides critical protection, access, and measurement integrity. Ctemp international is a thermowell manufacturer designing and building thermowell products and thermowell assemblies since 1981.

Operating instruction for the thermowell calculation program. Thermowells are the most uncomplicated devices employed for measurement of temperature. Thermowells are tubular fittings used to protect temperature sensors installed in industrial processes. Harsh environments, corrosive substances and highest pressures can be. Thermowell installation guide when you are ready to install a thermowell for your new electronic temperature sensor, you usually want to pick a flat spot somewhere easy to get to, approximately halfway below the water level. Temperature measurement thermowells 20151030 page 124 operating instruction for the thermowell calculation program according to asme ptc 19. The thermowells protect industrial thermometers from high pressure, flow and corrosive media. For an acceptable thermowell design, the ratio of the strouhal frequency and the natural frequency shall not exceed 0. This is how much of the thermowell will be inserted into the process. A standard, weld thermowell will measure 4 from the transition point between the insertion stem and the weld portion of the well to the end of the sensor side of the thermowell stem.

All sales subject to standard terms and conditions. Ashcroft s thermowells are made of brass, carbon steel, 304 stainless steel and 316 stainless steel. This will ensure that the temperature reading reflects more of an average temperature of the water. Standard lengths u 1 82, 142, 182, 232, 382mm 73, 110, 170, 210, 260mm 1 rating depends on the parameters process medium, process pressure and temperature, flow rate and design of thermowell. We offer a wide variety of stainless steel thermowells to fit just about any need and any brewery. Velocity of the process media in feet or meters per second 5.

Operating instruction for the thermowell calculation. Due to the frequent changes in the cost of the metals involved in construction of the thermowells, we do not list our prices here. Flanged thermowells model sf, rf and hf according ansiasme or din 43772 features solid bore construction materials according iso 15156nace mr 0175 selection of materials standard and customer specifications din and ansiasme process connections ratings din up to pn100 ansiasme up to 2500 lbsq. Ashcrofts thermowells are made of brass, carbon steel, 304 stainless steel and 316 stainless steel. In many pressurised processes it is often not possible or advisable to insert the temperature instrument directly into the media being measured. Thermowells for springloaded thermocouples and rtds or thermometers tw06xx tw09xx tw12xx springloaded thermocouple or rtd and thermowell assembly example using springloaded probe design ensures positive tip contact with the bottom of the thermowell. Thermowells thermowell design and selection criteria. Thermowell specifications should be determined based on process conditions which include strength, temperature, pressure and corrosionresistance requirements. Thermowell assemblies a thermowell assembly consists of many variable components depending on customer specifications and environ mental requirements. Thermowells are basically brought into use for creating isolation between temperature sensing element and its immediate environment which can be either in the form of liquid or gas. Standard flanged thermowells are supplied with a straight shank and are designed with a 0. One piece bar stock construction large selection of mill traceable materials stamp ed with material, heat numb r and date code. Industry standards for thermowell design provide simple calculations that can be performed to ensure performance and reliability. Threaded thermowell, hex size 1 18 inches, shank base diameter 34 inch, shank length 7 12 inches, bore depth 9 inches.

For guest transactions, we offer a 30day satisfaction guarantee. Shop temperature thermowells from automationdirect. Flanged, straight, forged e1 flange rating see ordering information on page 29. Apply a layer of machining bluing or similar marking substance on the thermowell rings. Webb account holders should refer to their local branch for their specific return policy. Alloy engineerings more than 50 years experience manufacturing high specification thermowells across a broad cross section of industries and processes has developed a wealth of expertise in engineering, materials and production that ensures our customers the best value in. Temperature switches watertight enclosure, type 400, bseries. Thermowell part number or complete thermowell details 2.

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