Steam Distributing Coils

Our steam distributing coils are built with either 5/8“ or 1” O.D. tubes and multiple wall thickness options. All coils have inner distributing tube in conjunction with an outer condensing tube making them perfect for below freezing air or modulating steam applications. Optional Sentry Guard™ freeze resistance available.

USA Coil & Air has an extensive library of OEM designs and can help with the replacement of all major OEM manufactured coils, including but not limited to: Carrier, Trane, McQuay, York, Heatcraft, Aerofin, American-Standard, Bohn, Colmac, Marlo and more.

Shipping

The equipment USA Coil & Air builds is specially made to order to meet your exact engineering requirements but we also understand time critical projects require quick turn around. Our expedited production program allows us to offer coil shipments in as little as 10, 5, 3 and 1 working days guaranteed.

Shipping Option

Cost

20 Business Days
Standard Shipment
10 Business Days
Added Premium
5 Business Days
Added Premium
3, 2, & 1 Business Days
Call for pricing & availability

See our Shipping Schedule for all other HVAC equipment offered.

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    Please note: Commercial equipment only – no residential products

    Questions? Need more information?

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    Materials and Specifications

    Coil Fins

    FINS

    Secondary surface (fins) shall be of the plate-fin design using aluminum or copper, with die-formed collars. Fin design to be flat, waffle, or sine-wave in a staggered tube pattern to meet performance requirements. Collars will hold fin spacing at specified density, and cover the entire tube surface. Fins are to be free of oils and oxidation.

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    TUBES

    Seamless copper tubes shall be mechanically expanded into plate aluminum or copper fins to form an everlasting bond between primary and secondary surfaces. Tubes are to be mechanically expanded into fins (secondary surface) for maximum heat transfer.

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    HEADERS

    Headers (manifolds), shall be constructed of a minimum .060” wall seamless copper. Die-formed copper end caps are brazed on the inside of the headers, unless spun-closed (for sizes up to 1-3/8”). Steam Distributing coils shall utilize a header within a header design to facilitate freeze protection.

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    CONNECTIONS

    Connection is to be sweat type (SWT), MPT or FPT Grooved or flanged as required. Connections shall be sized to accommodate supply steam and condensate loads.

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    CASING

    Coil casing material shall be galvanized steel at a 16 gauge minimum. Heavier material, stainless steel, copper or aluminum casings are available as required.

    Intermediate supports are required on all coils 48″ of finned length and longer. Coil casings on top and bottom of coils are to have double-flange construction, allowing for vertical stacking of coils.

    Pressure Testing Gauge

    PRESSURE TESTING

    Coils shall be tested at 550 psig using dry nitrogen, submerged under water. Dual-operator verification shall determine that all coils are leak-free.

    Steam coils are guaranteed up to a maximum 150 psig saturated steam supply pressures with appropriate wall thickness.

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    CERTIFICATION

    All fluid coils designed with 1/2” or 5/8” tubes are to have ARI Standard 410 certification and shall bear the ARI symbol. Coils outside the scope of ARI’s standard rating conditions or certification program will be acceptable to ARI since USA Coil is a current member of the ARI coil certification program, and coils will be rated in accordance with the ARI Standard 410.

    STEAM COILS

    Standard/Base in Bold Below

    Tube
    O.D.
    Tube
    Thick
    Optional
    Tube
    Fin
    Thick.
    Optional
    Fin
    5/8”025.035
    .049
    .006.0075
    .010
    1”
    (SD only)
    .035.049.010N/A

    STEAM COILS

    Standard / Optional

    Fin MaterialAluminumCopper; Stainless Steel
    Casing MaterialGalv. Steel 16 gaugeGalv. Steel 14 gauge
    Stainless Steel 16 gauge
    Connection
    Material
    CopperSteel • Red Brass
    Tube MaterialCopperStainless Steel • Cupro Nickel • Carbon Steel
    Header Material CopperSS Tube will have SS HDR(s) • Cupro Nickel Tubes will have Cupro Nickel HDR(s) • Carbon Steel Tubes will have Carbon Steel HDR(s)

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