Acrolab Hollow Isobar® Heat Pipes
Acrolab Hollow Isobar® Heat Pipes
SKU:ISO-fed333
Advanced Hollow Isobar® Heat Pipes - Superior thermal conductivity for precise heating & cooling applications. Ideal for diverse industrial environments.
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Acrolab Hollow Isobar® Heat Pipes
$139.99
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Acrolab Hollow Isobar® Heat Pipes
$139.99
Quantity: 1
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Acrolab's Hollow Isobar® Heat Pipes are engineered with advanced Isobar® technology that efficiently transfers energy at high speeds, providing exceptional thermal conductivity for heating and cooling applications. These heat pipes feature a solid-state passive pump design enclosed in a copper unit, ensuring near-isothermal conditions across varying temperatures. Suitable for composite, plastic, and rubber applications, with precise dimensional tolerances and a wide range of Isobar® sizes available. Acrolab's innovative heat pipes deliver unmatched thermal uniformity and energy transfer efficiency, making them an ideal choice for demanding industrial environments.
Product Specifications
Additional Information
Heat pipes offer thermal conductivity that can range from 5,000 W/m·K to 100,000 W/m·K, making them far superior to solid aluminum, copper and graphite conductors.Typical Arcolab Isobar Heat Pipes have 3 sections;Evaporator SectionAdiabatic SectionCondenser SectionAcrolab heat pipes or, vessels, are constructed with a tight vacuum seal that contain a working fluid and a wick structure acting as a capillary. They utilize the vaporization of an inner fluid to transfer heat to the heat sink [3) Condenser Section] from the heat source [1) Evaporator Section] over the distance of the 2) Adiabatic Section.Isobar heat pipes are sealed and fluid constantly changes phase due to the low vapor pressure inside the unit - the device is innately isothermal.Temperature uniformity along the entire length from the evaporator to the condenser is typically in the range of ±1°C while transferring large amounts of energy.
C Dimension Isobar Sizes Actual Outside Diameter Od
0.093 in | 0.124 in | 0.154 in | 0.185 in | 0.249 in | 0.311 in | 0.374 in | 0.499 in | 0.624 in | 0.748 in | 2.99 mm | 3.96 mm | 5.00 mm | 5.97 mm | 7.98 mm | 9.91 mm | 11.86 mm | 14.86 mm | 15.98 mm | 17.88 mm | 19.84 mm | 24.84 mm | 29.85 mm
C Dimension Isobar Sizes Dimension C Outside Diameter Od
3/32 in | 1/8 in | 5/32 in | 3/16 in | 1/4 in | 5/16 in | 3/8 in | 1/2 in | 5/8 in | 3/4 in | 3 mm | 4 mm | 5 mm | 6 mm | 8 mm | 10 mm | 12 mm | 15 mm | 16 mm | 18 mm | 20 mm | 25 mm | 30 mm
C Dimension Isobar Sizes Dimension D Outside Diameter Od
3/32 in | 1/8 in | 5/32 in | 3/16 in | 1/4 in | 5/16 in | 3/8 in | 1/2 in | 5/8 in | 3/4 in | 3 mm | 4 mm | 5 mm | 6 mm | 8 mm | 10 mm | 12 mm | 15 mm | 16 mm | 18 mm | 20 mm | 25 mm | 30 mm
C Dimension Isobar Sizes Extractable Thread Size Imperial
10-24NC | 3/8-16NC | 4-40NC | 6-32NC
C Dimension Isobar Sizes Extractable Thread Size Metric
M-2 x 0.4 | M-5 x 0.8 | M-6 x 1.0
C Dimension Isobar Sizes Hole Drilling Size
0.096 in | 0.127 in | 0.159 in | 0.189 in | 0.252 in | 0.314 in | 0.377 in | 0.502 in | 0.627 in | 0.752 in | 3.07 mm | 4.04 mm | 5.08 mm | 6.04 mm | 8.05 mm | 10.00 mm | 11.96 mm | 14.96 mm | 16.08 mm | 17.98 mm | 19.94 mm | 24.94 mm | 29.94 mm
C Dimension Isobar Sizes Outside Diameter Od Tolerance
-0.003 in | +0.001 in | -0.065 mm | +0.025 mm
D Dimension Isobar Sizes Actual Inside Diameter Id
0.064 in | 0.097 in | 0.116 in | 0.147 in | 0.188 in | 0.250 in | 0.313 in | 0.438 in | 0.563 in | 0.680 in | 1.98 mm | 3.15 mm | 4.05 mm | 4.42 mm | 6.43 mm | 8.79 mm | 10.16 mm | 12.93 mm | 14.30 mm | 15.88 mm | 17.78 mm | 22.81 mm | 27.81 mm
D Dimension Isobar Sizes Inside Diameter Id Tolerance
-0.003 in | +0.001 in | -0.065 mm | +0.025 mm
Features
Isobar® Heat Pipes Transfer Large Amounts of Energy at High SpeedsThe Isobar® Heat Pipe achieves thermal conductivity by incorporating a sophisticated solid-state passive pump inside a contained copper unit. This pump takes the form of a fine metallic wick placed tight to the inner wall of a sealed Isobar.In an Isobar® a small quantity of working fluid is placed in an evacuated tube. Heat is applied to the base of the tube, causing the temperature of the working fluid to rise - as this fluid heats, it vaporizes. This vapor then migrates to the colder end of the tube where it condenses and is absorbed by the wick. This wick, through its capillary action, returns the working fluid to the evaporator section, regardless of orientation.Works in Both Heating & Cooling ApplicationsIsobar® technology works equally well with process tooling drawing their energy from heated platens and with integrally heated molds. Energy sources such as oil, steam, or electric heaters may be used. Since the latent heat transfer of evaporation is large, considerable quantities of energy can be transferred and significantly increase the thermal recovery rate under isothermal conditions.Commonly used Isobars are: straight, baffled, finned, and stepped. For these types of Isobars, temperatures can range from 50ºF to 500ºF. Acrolab also engineers low-temperature Isobars that operate at temperatures from -103ºF to 50ºF. These special Isobars are application dependent and are available upon request.Think Outside the BoxAcrolab application engineers have a vast knowledge of thermal dynamics and design and integration.We will consider maintenance, value-add, design, integration, performance, feasibility, and timing for client solutions.Our "outside the box" style of thinking allows Acrolab to deliver unique and even multiple solutions for client requirements.Acrolab Isobars are a 3 in 1 solution. They can provide cooling, heating and/or thermal uniformity management in your application.Acrolab has constructed heat pipes from a variety of materials such as; copper, monel®, stainless steel, inconel® and some additive powder alloys. Copper is most common for what we consider as 'standard applications'. However, choosing a containment material ultimately depends on the working fluid.Since the Isobar® Heat Transfer System resides entirely within the mold there is no need to change your existing mold control system. Acrolab can provide all the components, engineering services, and field installation necessary to construct a complete Isobar® Heat Transfer System. All engineering drawings, electrical schematics, heating elements, Isobar® Heat Pipes, thermocouples, wiring, terminal boxes, electrical connectors, control cables, and a certified installer are provided.Near-Isothermal ConditionsAcrolab's Isobar® Heat Transfer system delivers near-isothermal conditions to all mold surfaces. Our custom-engineered Heat Transfer System uses the Isobar® Heat Pipe in order to provide thermal uniformity to molding applications.Used in Core Pin TechnologyAcrolab's Heat Transfer System is used in core pin technology for thermoset and rubber injection molders; cold runner molds; thermal plastic molding and any application where thermal uniformity is critical.Headlight Housing SpecifiedAcrolab's Isobar® Heat Transfer Systems are specified by over 90% of the headlight housing manufacturers in North America and have been installed in hundreds of injection thermoset headlamp housing molds.Acrolab Isobar® Heat Pipes Transfer Heat Efficiently & EvenlyHeat transfer is achieved by the Wick Structure and Working Fluid inside the Isobar Heat Pipe. The inner surface of the Heat Pipe is lined with the 'wick' that provides the capillary action for liquid moving from the condenser to evaporator, inside the vacuum Isobar Heat Pipe structure. Given that the liquid will, under a vacuum, accept heat well below the boiling point in atmospheric pressure, it will be effective at transferring latent heat at low temperatures.Working Fluids for Isobar Heat PipesSelecting the working liquid for a heat pipe depends on the application temperature range, but water is the most common liquid for a temperature range of 1ºC to 325ºC. When dealing with low temperatures, ammonia and methanol are commonly used. Whereas potassium and sodium are often utilized for high temperature applications. Best to consult with the Acrolab professionals for these types of unique Isobar Heat Pipe applications.Wick Structures for Isobar® Heat PipesHere capillary action is defendant on the structure of the Isobar Heat Pipe wick and the liquid moves from the evaporator section back to the condenser. Acrolab manufactures a full variety of wick structures, depending on the exact application.
Note
Hole Drilling Specification is for Isopaste Installation
Specifications Angle
Specify
Specifications Application
Composite | Other | Plastic | Rubber
Specifications Certifications
International Organization for Standardization (ISO 9001: 2015)
Specifications Hole Drilling Size Tolerance
0.001 in | 0.03 mm
Specifications Isobar Length Tolerance
-0.060 in | +0.000 in | -1.5 mm | +0.000 mm
Specifications Orientation In Working Position
Horizontal | Vertical
Specifications Thermal Requirement
Cooling | Heating | Thermal Uniformity