Negative Pressure Heat Transfer Systems (HTS-NP): Fluid Handling, Heat Transfer and Energy Recovery Systems by EnviroSep

The Model HTS-NP, Negative Pressure Heat Transfer System features the latest in steam-heating applications which allows the heat transfer system to operate under vacuum conditions on the steam side. The HTS-NP allows energy savings up to 15% versus conventional building hydronic heating systems. Other advantages include that no vent is required in the condensate system, eliminating the unsightly exhausts flumes seen in conventional systems. Additionally, the HTS-NP incorporates condensate pumping, eliminating the need for additional condensate handling units. Hot water is supplied at a standard 180oF and is recirculated through the building system by use of centrifugal pumps which are sized to meet specific building requirements. The Model HTS-NP provides hot water at a controlled flow rate, while automatically refilling to meet system demands. A UL-listed control panel with single-point power connection is prewired to all electrical sources. Each system is custom engineered and designed to meet specific requirements. All systems are UL-listed, fabricated and welded per ASME Section IX Code and Standards, and are Hydrostatically tested prior to shipment. The most remarkable feature of the HTS-NP is the ability to provide a cost reduction to building owners. Additionally, this fully integrated ready-to-install system speeds installation and start-up of building hydronic heating systems which provide significant savings to contractors, engineers, and building owners.

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View HTS-NP specifications

Legend
A. Base-mounted, End-suction Centrifugal Pumps
B. Shell and Tube, U-tube Heat Exchanger
with Steam Trap (if applicable)
C. Isolation and Check Valves
D. Air Separator with Auto Air Vent
E. Expansion / Compression Tank
F. System Inlet / Outlet Thermometers
G. Pump Differential Pressure Gauge
H. UL-listed Electrical Control Panel
I. Make-up Water Assembly
J. Condensate Recovery System (if applicable)
K. Variable Frequency Drives & Controller

Standard Construction