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West of I-95 in Virginia: Joe Polito - joe@vaheat.com (804-350-8829)
East of I-95 in Virginia, Maryland and DC: Chris Haslego - chris@vaheat.com (804-370-3855)

Technical Articles Archives

Pinned  A Gamajet Solution for Dirty Totes

Jan 12 2015 08:28 PM | Chris in Technical Articles

In our Feature video, Gamajet (an Alfa Laval company) demonstrates their new tote cleaning system.  If you're interested, please drop us a quick line or give us a call to discuss your needs.

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Pinned  Plate Heat Exchangers: Five Questions and Answers

Sep 26 2014 04:53 PM | Chris in Technical Articles

Plate heat exchangers are extremely efficient and can be workhorses in many different types of environments. But, knowing what to watch for when inspecting and maintaining your plate heat exchanger is critical. We'll explore five common questions and answers to help you take better care of your plate heat exchanger.

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Young Industries STINGER Conveyer

The Young Industries STINGER® Conveyer is a great solution for transporting difficult-to-handle products such as pigments, talcs and clays. STINGER Conveyer Brochure

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Pick Heaters Custom Solutions

Pick Steam Injection Heaters offers many ways to prepare a custom package for your applications. Read about custom solutions Please Contact Us for any help you might need with designing a steam injection heater system.

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Compabloc Condenser Removes Organic Compounds

A Ciba Specialty Chemicals facility in Memphis, Arkansas used one of Alfa Laval's Compabloc heat exchangers to eliminate the emission of volatile organic compounds from their stack vapors. Read the story here

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Compabloc Eliminates Production Bottleneck

An Alfa Laval Compabloc was used to remove a bottleneck in pigment production at BASF's Guarantigueta Chemical Complex. Read the story here

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Pulp Mill Compabloc Provides High Performance

An Alfa Laval Compabloc heat exchanger was used at a pulp mill in Georgia, USA. The unit provided a high rate of performance with minimal maintenance and operating costs. Read the story here

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Types of Plate Exchanger Leaks

The design of plate heat exchangers is very reliable since they have several fail-safe spots to visibly show any leaks.  Nearly all possible leaks will cause the flow to spill out the sides of the exchanger to the ground so the problem becomes obvious....

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Debottlenecking Shell and Tube Heat Exchangers

Jul 16 2012 01:44 PM | Chris in Technical Articles

<p>Your shell and tube heat exchanger has served you well.  But maybe your heat transfer needs have grown and you&#39;re just not getting enough heating, cooling, condensing, or evaporation these days.  Don&#39;t send your shell and tube heat exchanger to scrap pile just yet, it may only need a partner to help out.</p>

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Heat Exchanger Sizing and LMTD

One thing to consider when sizing a heat exchanger is the temperature difference of the fluids you wish to use.  While heat exchangers do a great job at transferring energy, they are limited by the heat source or heat sink you provide them.  No matter...

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Virginia Heat Transfer Packaged Systems

Pre-Packaged Systems are designed specifically to meet process industry needs efficiently and effectively, from a pilot project to a large-scale production.Customized Pre-Packaged systems deliver:Single source of supplyPortable skids, wall mounts or fl...

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Spring Cleaning

Owners of heat exchangers often find that in the spring season as the cooling water temperature begins to rise, their heat exchangers begin to underperform.Considering that the heat exchangers were most likely designed for the highest cooling tower wat...

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Plate Exchanger Parts and Service

At Virginia Heat Transfer, we have over 35 years of combined experience with plate heat exchangers. Whether you need hard-to-find parts, a total cleaning solution, on site cleaning, routine maintenance, re-gasketing, or help with troubleshooting a prob...

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PHE Frame Corrosion

Corrosion under the connection liners in plate heat exchangers can cause significant problems. The key is to learn how the corrosion happens so that costly frame replacements can be avoided.Figure 1: Leakage next to the frame plate may be a sign of a...

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External Leakage

Plate heat exchangers can supply reliable operating service for years with proper maintenance, but what about when something goes wrong? Is your plate heat exchanger leaking? Is the leak slow or fast? How can you know what the problem is and the best w...

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Cooling Tower Servicing

Serving the mid-Atlantic region, Virginia Heat Transfer cooling tower and plate heat exchanger cleaning services is ready to help you keep your cooling system running efficiently. Keeping your cooling tower system clean and efficient is key to minimizi...

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Plate Exchanger Cold Leakage

Your plate heat exchanger was working just fine. You open it up to perform an annual cleaning, tighten it to the proper dimension, and upon start up, it begins to leak. What just happened? Figure 1: Graphical Depiction of Cold LeakageThe answer, as you...

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Gasketed PHE

The gasketed plate heat exchanger consists of a series of thin corrugated plates fitted with gaskets. The plates are then compressed together in a rigid frame to create an arrangement of parallel flow channels. The two fluids flow in alternate channels...

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Heat Exchanger

A heat exchanger is a piece of equipment that continually transfers heat from one medium to another in order to carry process energy. There are two main types of heat exchangers.Direct heat exchanger, where both media between which heat is exchanged ar...

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Constant Flow Specs

Heaters are readily available with cast iron, carbon steel, or 316SS materials upon request. Water and steam piping is available in threaded or flanged construction. Cast Iron HeatersApprox. 3" dia. is threaded.Approx. 4" dia. uses 124 lb. F/F companio...

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Horizontal Coil

A very high efficiency thermal fluid heater. The heater has two helical coils, a smaller coil that fits inside of a larger coil. Hot burner gases pass through the center of the smaller coil and double back between it and the larger coil. They then trav...

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Sanitary Packages

Pick Pre-Packaged Sanitary Heater Systems are designed to efficiently meet food and pharmaceutical industry processing needs, from pilot scale laboratory units to production scale packages. Pilot Scale For laboratories or pilot operations, Picks pilot...

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Series 1000

150 SCFM to 600 SCFMIndustrial Duty - Dry desiccant dehumidifier Series 1000 units are self contained, with all necessary blowers, controls, filters and drive components to assure the safe and automatic operation of the dehumidifier.Single point power...

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Series 2000

750 SCFM to 12,000 CFM Industrial Duty - Dry desiccant dehumidifiers Dew points to -40 Degrees F Self contained Unit- Complete with all necessary blowers, controls, filters and drive components to assure the safe, automatic operation of the dehumidifie...

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