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Stock First, Custom When the Duty Demands It
Enerquip has built industrial and sanitary heat transfer equipment in the USA since 1985. Stainless and alloy units come out of Medford, Wisconsin, a shop that handles stainless only, so carbon steel never touches sanitary or pharma-grade work. Carbon steel exchangers are built in a separate facility in Beggs, Oklahoma. The line runs from U-tube and straight-tube shell-and-tube exchangers to ASME pressure vessels, bayonet tank heaters, suction heaters, tank coils and waste heat economizers.
Start with stock. The in-stock line is a sanitary U-tube steam-to-liquid heater, TEMA type BEU, in ten configurations with 4" to 10" shells and lengths of 36" to 72", tri-clamp on the product side and NPT on the steam side. Those units often ship the next business day. Leading CIP skid builders and WFI system suppliers have standardized on these exchangers. About 32 standard sizes, from 4" x 24" up to 12" x 108", are built from fixed designs and typically ship in 6 to 8 weeks. If one of them covers the duty, it wins on price and on the calendar.
When the duty falls outside those sizes, Enerquip builds custom shell-and-tube to 48" diameter in 304L, 316L, duplex, Hastelloy, Alloy 20, Monel, AL-6XN, titanium or carbon steel, to ASME and TEMA B, C or R. And when an exchanger already in service starts leaking, a new tube bundle is usually a faster fix than a new unit. Stock bundles and O-rings fit the stock heaters, and drop-in bundles are built to the shell, nozzle and tubesheet dimensions of exchangers from other makers.
Where They Work
Built in Medford, WI
A Stainless-Only Shop Behind Every Sanitary Unit
Keeping stainless in its own building matters more than it sounds. Free iron picked up from shared tooling or carbon steel grinding dust is a common cause of rust spots on a stainless surface, and in a CIP loop that shows up as staining nobody can scrub off. Passivation and electropolishing are done in house at Medford, so a pharma unit can carry 25 Ra polished tubes or a 15 Ra electropolished finish without being sent out for finishing.
Code work is settled before metal is cut. Designs run through Compress codeware for nozzle loads, seismic and site-specific loads, a third-party inspector reviews fabrication and witnesses the ASME hydro-test, and the unit leaves with its code stamp. Enerquip is certified to fabricate to 3-A standard 12-08, and its engineers take part in ASME-BPE committee work. PED, CRN and API-660 construction is available on request.
Key Applications
Applications
Dairy
Pasteurizer heaters, cream and mix coolers and CIP heaters in 304L or 316L, built to 3-A when specified, with 32 Ra or better on product contact.
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Applications
Food & Beverage
Syrup, sauce, brewing and product-cooling duties, with product in the tubes for cleaning and steam or glycol on the shell.
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Applications
Pharmaceutical
WFI, CIP and sterilizing-solution exchangers with 25 Ra seamless 316L tubes, double tubesheets and electropolish.
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