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Closed-Loop Heat Transfer Unit with Steam-Powered Condensate Pump (HTUC)

The Model HTUC, Totally Closed-Loop Heat Transfer Unit with integrally assembled steam-powered condensate pump is a complete manufactured system employing the latest technological innovations in closed-loop steam systems. The closed-loop steam system negates flash steam loss, thereby delivering efficient heat transfer and condensate removal, with significant savings over conventional Heat Transfer Units. At modulating loads, the Model HTUC operates in a vacuum, utilizing steam at optimal latent heat values, thereby decreasing the mass (lbs.) of steam consumed. The Model HTUC unit features an ASME Shell and Tube, U-tube Heat Exchanger; Cast Iron Y-Stainer: Pilot-operated Steam Control Valve; and Steam-Powered Condensate Pump with motive steam and exhaust connections. Each unit is custom engineered and designed to meet specific system requirements. All systems are fabricated and welded per ASME Section IX Code and Standards, and are hydrostatically tested prior to shipment.

View HTUC Specifications

View detailed information on Closed-Loop Heat Transfer Unit with Steam-Powered Condensate Pump (PDF)

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Legend:
A. Inlet Steam Y- Strainer

B. Steam Control Valve (Pilot-Operated or Pneumatic-Operated)

C. Shell and Tube Heat Exchanger

D. Steam-powered Condensate Pump

E. Inverted Bucket Steam Trap

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Example of Typical Savings
System Steam Pressure : 30 psig
Make-up Water-side Flow rate: 15.1 gpm
Water-side flow rate based on 80 oF and temperature change from 60 oF to 140 oF.

Based on continuous system operation at maximum conditions of 8400 hr./yr., approximate energy savings are 5100 Million Btu per year. At an estimated steam cost of $5.00 / MM Btu, potential yearly savings are $25,270.00

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Conditions of Operation

• Max. Allowable Pressure: 125 psig / 8.6 bar
• Max. Allowable Temperature: 375 oF / 190.5 oC
• Note: Condensate back pressure is assumed at 0 psig unless otherwise specified.

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Standard Construction

• Fabricated Floor-mount Steel Base and Frame
• ASME Shell and Tube ,U-Tube Heat Exchanger
• Inlet Steam Y-Strainer
• Cast Iron Pilot-operated Temperature Control Valve with 8ft. capillary tube connected to Temperature Sensor
• Steam-powered Condensate Pump
• Motive Steam Connection with Drip Leg Station
• Pump Exhaust pre-installed
• Hydrostatically Tested
• High Temperature Industrial Enamel Paint

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Sizing and Selection
Units are custom engineered for individual systems, based upon the selection of the system parameters:

I. System Flow Rate: Range of 5 gpm to 2,000 gpm

II. Inlet Temperature: Range of 40oF to 160oF

III. Outlet Temperature: Range of 120oF to 320oF

IV. Steam Pressure: Range of 2 psig to 125 psig

V. Dimensions: Based on specific requirements

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For more information on how EnviroSep can provide your company with an Integrated Solution for your Fluids Handling, Heat Transfer, and/or Energy Recovery needs, use our quick & easy Online Quote Request Form, call our main office at 843-546-7400 (you can fax us at 843.546.7407) or

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