Extensive selection of materials are avail able to meet the demanding applications. Modeldescription process connection materials bore size. Use link below for help in developing a full part number. Flanged, straight, forged e1 flange rating see ordering information on page 29. Basically, thermowells are divided into protection tubes constructed from welded tubes and thermowells made of. Ashcroft thermowells select from the broadest range of sizes, insertion lengths. The final step is an evaluation of the thermowell length based on the steady state stress. The strength of a thermowell depends on several parameters that relate thermowell construction to the installation environment. Reotemp flanged thermowells make it possible to remove an instrument without dropping pressure or losing contents of the process. All sales subject to standard terms and conditions. The thermowell used with your temperature sensor provides critical protection, access, and measurement integrity.
Temperature instrument rosemount model 0078 with thermowell. Lag, shank styles, types, materials of construction and pressure rating. The grabcad library offers millions of free cad designs, cad files, and 3d models. Rosemount 114c thermowells wide variety of industry standard process connections including flanged, threaded, welded, and van stone. Operating instruction for the thermowell calculation program. Shipping information all shipping times are dependent on product availability at time of shipment. Data sheet van stone thermowells van stone thermowells data sheet weldin thermowell weldin thermowells repair and calibration service. Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Std for 14 element hd for 14 element std for 38 element hd for 38 element. Thermowells also protect the instrument from getting bent by the process media. If the thermowell will not slide fully into the nozzle, gently remove the thermowell for modification. The product with part number 75w0250ht260s thermowells threaded configuration is from company ashcroft and distributed with basic unit price 75,38 eur.
Eight steps to thermowell selection how to order ashcroft. The rosemount 114c thermowells are available in a wide variety of style and materials to meet any temperature process requirement. The product with part number 75w0250ht260s thermowells threaded configuration is from company ashcroft and distributed with basic. This serves to isolate and protect the sensing instrument, and permits removal of a sensing instrument without shutting down the process. Rosemount 114c thermowells thermocouples instrumart. Find thermowells at msc industrial supply, serving the metalworking, safety, and mro industries for over 75 years. Bourdon haenni ritn ba0 403 20 1s0e 06 complete with thermowell type. Made from solid barstock to ensure strength and integrity, the 114c was designed to accommodate a host of industry standard configurations, but has the flexibility to adapt to special configurations for different types of applications. A perfect solution for protecting the process and extending product service life.
Additionally, the use of an ashcroft thermowell permits instrument interchange or calibration check without disturbing or closing down the process. Ashcroft thermowell straight shank, threaded, with or without lag. In 2010, along with other vendors, users, agencies and academia, we helped the american society of mechanical engineers asme update the thermowell calculation standard from ptc 19. Shop a large range of threaded brass thermowells at msc industrial supply. Using thermal grease in thermowells application note. Care must be taken in determining the material used for the thermowell as well as other factors. For reference only, consult ashcroft for specific dimensional drawings 3 of 3 data sheet flanged thermowells all speci. Thermo sensors offers design assistance that includes pressure.
Stepped threaded thermowells 3d cad model library grabcad. A leader in thermowell calculations for over 20 years, emerson process management has been a leader in accurate thermowell calculating. Threaded thermowell, hex size 1 18 inches, shank base diameter 34 inch, shank length 7 12 inches, bore depth 9 inches. A thermowell provides invaluable triple duty service, by protecting your delicate temperature sensing instrumentation.
Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million products in stock and ready to ship today. Thermowells thermowells must be used on any application where the stem of the bimetal thermometer may be exposed to pressure, corrosive fluids or high velocity. Small operating tools,v 75w tuff skin light bulb,minmax. Ashcroft thermowell stem connection 2 12 in 75w0162sm260s. Well shed some light on how, why, and when to apply this important device. Flanged thermowells are the preferred well for applications that require frequent removal or replacement due to corrosion or other hazards. Thermowells screwd typ sm, st, rt, ht englisch ashcroft asia.
For most industrial applications, standard parker thermowells provide the necessary strength if the material, style, and length are correctly specified for the application parameters. Thermowell selection and application burns engineering. Due to the frequent changes in the cost of the metals involved in construction of the thermowells, we do not list our prices here. 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. Ashcroft 702703 flanged diaphragm seal drawing index ashcroft 740741 threaded diaphragm seal drawing index ashcroft a series watertight pressure switch drawing index. The sanitary projectile type thermowell is designed to be welded into process and. Ashcroft thermowell pdf welcome to ashcroft thermowells. This determines the maximum length the thermowell can be in order to handle the bending stress.
Scope of the standard the wika thermowell program applies to straight, tapered and stepped thermowells machined from bar stock or forging within the dimensional limits of asme ptc19. 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. 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. Additional features include 316l grade material, with electropolished finish. Thermowells threaded configuration ashcroft inc 2006. Testing and certifications including wake frequency calculations. We begin with rocksolid designs, matching the most appropriate technology with the safety and reliability requirements of the applications. One piece bar stock construction large selection of mill traceable materials estamped with material, h at number d date code. For an acceptable thermowell design, the ratio of the strouhal frequency and the natural frequency shall not exceed 0. 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. 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. Improper application may cause failure of the thermowell, resulting in possible personal injury or property damage. Serving to isolate and protect your temperature instrumentation. Engineered with solid barstock, the rosemount 114c thermowell is designed to accommodate a host of industrystandard configurations while ensuring.
A thermowell is the pressuretight receptacle designed to protect sensitive temperature measurement instrumentation from harsh process conditions. Screwed thermowells model sm, st, rt and ht ashcroft. Threaded stepped thermowells by ashcroft 1 npt external thread, 12 npt internal thread, fits a 14 probe. Installed directly into the piping systems, thermowells facilitate sensor replacement in highpressure pipelines and eliminate. 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. Shop temperature thermowells from automationdirect. One piece bar stock construction large selection of mill traceable materials stamped with material, heat number and date code. Ashcroft 320 inline quick connect diaphragm seal drawing index. Ashcroft s thermowells are made of brass, carbon steel, 304 stainless steel and 316 stainless steel. Bimetal thermometers series ei, grade a 1% ashcroft. Thermowells flanged tapered style process size stem material options bore stem length l flange material taper tw33 a 0. Selection of the proper thermowell is the sole responsibility of the user.
Rosemount 91 series thermowells the rosemount 91 series thermowells have designs that provide flexible and reliable temperature measurements in process environments. Minimum stem length for these ranges is 4 minimum stem length lower connection and everyangle 4 thermowells must be used on all pressure or velocity applications, to protect the stem of thermometer from. 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. 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. Ashcroft pressure and temperature instrumentation trust. Temperature and pressure limitations must be considered. Join the grabcad community today to gain access and download. Ashcroft temperature switches have bulb diameters to match 3. Additional thermowell options and certificates available. Large selection of thermowell materials to ensure proper process compatibility from stainless steel to exotic materials such as duplex and alloy c276. Threaded thermowell, hex size 1 18 inches, shank base diameter 34 inch, shank length 7 12 inches, bore depth 9. Apply a layer of machining bluing or similar marking substance on the thermowell rings. Limited space thermowells general purpose thermowells standard industrial wells.
Flanged thermowells are appropriate for high pressure applications, typically larger pipe sizes and are designed to mate up to an existing flange. Thermowells threaded tapered t u b l p style process size stem material bore options stem length taper tw03 taperlag tw a 0. Image modeldescription process connection materials bore size. Threaded, flanged, and weldin styles wake frequency calculations option code r21 nace approval option code r05 internal pressure test option code r22. How to order eight steps to thermowell selection ashcroft. Ashcroft thermowell stem connection 6 in 75w0450rt260s. A properly selected thermowell will protect the temperature instrument from possible damage resulting from. For a socket thermowell, the position of the welding is not equal to the position of the maximum stress. Use ashcroft duratemp thermometers for ranges above and below those listed above.
The leading pressure and temperature instrumentation manufacturer of pressure gauges, test gauges, and temperature gauges. To achieve abrasionresistance we can add the thermowell surface with a stellite, eutalloy or ceramic layer. Eight steps to thermowell selection how to order ashcroft a thermowell is highly recommended for use with temperature indicating and control instrumentation to. Ravarini castoldi auto 150 snegative generator220110v 5060hz 75w. Ashcroft s 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. 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 ashcroft wake frequency calculator offers a user friendly approach to ensure your thermowell is safe and compatible with your application. Ashcroft thermowell stem connection 6 in 75w0450rt260s flw. Once the thermowell begins to bind, stop and remove the thermowell and. 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. The process connection is available in different sizes ranging from 0. A thermowell allows the temperature sensor to be removed and replaced without compromising either the ambient region or the process. Ashcrofts wide variety of thermowells are available for light duty, high. Expanding our transducer line e2g general industrial pressure transducer. Choose your product specifications and options below to configure your product. The ashcroft thermowells gauges offer high quality and durability for an affordable price. Special thermowells for smaller diameter probes are also available for fractional size lines. A thermowell is highly recommended for use with temperature indicating and control instrumentation to isolate the temperature sensor from the media being. Ritn ba0 403 20 1s0e 06 complete with thermowell type agf. 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.