The DryAir Plate Heat Exchanger model HESF 1000 is designed for transferring heat from low-pressure steam to a heat transfer fluid, which can then be used with various DryAir heating accessories. Here are the key specifications and features:
Specifications:
- Heat Exchange Capacity: Up to 1,000,000 BTU/h (or kBTU/h).
- Heat Source: Low-pressure steam, operating at 15 psi or less.
- Steam Connections: 1½” FNPT for steam supply and condensate return.
- Fluid Distribution: Uses a secondary circuit with 2” hose and Kamlock connections.
- Pump: 2 hp, capable of providing 50-75 US gpm of flow.
- Electrical Requirements:
- System: 230 V, 1-phase, 60 Hz, 30 A.
- Control Circuitry: 24 V.
- Heat Exchanger Type: Copper-brazed stainless steel plates, consisting of 20 plates.
- Reservoir: Onboard “open-vented” glycol reservoir with an option for an extended external reservoir.
Operational Details:
- Inlet Temperature (Steam): 248.4°F
- Outlet Temperature (Fluid): 229.4°F
- Mass Flow Rate (Steam): 1,036 lb/h
- Cold Side Fluid: 50% propylene glycol with specific inlet and outlet temperatures.
- Pressure Drop: Approximately 1.67 psi on the hot side and 3.28 psi on the cold side.
Performance:
- Capable of heating up to 50,000 square feet, depending on the steam source’s capacity
- Automatic temperature control.