Steam Distributing Coils
(Non-Freeze Steam Coils)

  • OEM and Replacement Coils for Every Application
  • Cross Reference All Major Brands
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  • Field Measurement Available
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  • Standard Lead Time is 2 to  3 Weeks
Primary Surface:

Round seamless copper tubes are mechanically expanded into the fin collars of the secondary surface. The mechanical expansion provides a permanent metal-to-metal bond for efficient heat transfer. The 5/8″ O.D. inner steam distributing tubes are centered in the outer condensing tube (1-1/8″ O.D.). The inner tube has proportionally spaced directional steam jet orifices that direct the condensate flow to the outlet.

Tube Size Options:
  • 1″ O.D. x .035″ wall thickness standard with optional wall thickness of (.049). Centerlines are 3.0″ in the tube face and one row is the only option.
  • 5/8″ O.D. (.025”-.049”) outer with 3/8″ O.D. inner steam distributing tube
Secondary Surface:

Corrugated plate type fin that is die-formed. Fin collars are full-drawn to provide maximum contact with tubes.

Fin Material Options:

Aluminum fin thickness of .010 inch standard with optional (.008). Optional copper fin thicknesses available are (.006) (.008) and (.010). Fins per inch available 4 through 14.


Seamless copper with die-formed holes that provide a parallel surface to the coil tube for strong brazing joints.


Red Brass Schedule 40 (MPT) is standard with optional Carbon Steel, Copper, Copper Nickel and Stainless Steel available. Options for FPT also available. Maximum fin length of 120 inches with same end connections. Fin length over 120 inches is recommended to have steam supplied at both ends. (Any fin height over 48 inches will have two supplies and two returns).


Using 16-gauge minimum thickness material, 1 1/2″ flanges are die-formed to permit easy stacking and mounting. Intermediate tube supports are supplied on coils over 44″ fin length with an additional support every 42″ multiple thereafter.

Casing Material Options:

Full 16 gauge galvanized steel standard with optional stainless, aluminum and copper.

Testing & Performance

All coil assemblies are leak tested under water at 350 PSIG air. Standard construction is suitable for 50 PSIG steam pressure. Heavier wall, high-pressure construction available up to 100 PSIG and beyond.