Cleanroom HVAC dan Peralatan Penanganan Udara

Hot-Water Reheat Coil

A shallow one- or two-row hydronic coil that restores neutral supply-air temperature after deep cooling and dehumidification.

Post-Dehumidification Reheat
Shallow Low-Pressure-Drop Face
Fast Valve Response
Compact AHU Integration

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Perkenalan produk

The reheat coil is positioned downstream of a cooling coil so it can add sensible heat without increasing air moisture. Its shallow copper-tube and aluminum-fin construction minimizes air pressure drop while providing enough surface area for precise leaving-temperature control. Low water volume and short circuits respond quickly to a modulating valve, making the coil suitable for tight cleanroom temperature and humidity sequences.

Fitur utama:

One- or two-row construction limits fan energy while delivering controlled sensible reheat.

Small internal water volume responds rapidly when the modulating valve changes position.

Accessible vents and drains prevent air binding during low-flow operation.

Compact casing fits between cooling-coil, fan and final-filter sections in constrained AHUs.

Kekhawatiran produk pelanggan

Reheat must correct overcooled supply air precisely without adding excessive pressure drop or fighting the cooling sequence.

Air leaves the dehumidifying coil too cold for the occupied zone.A downstream hydronic coil adds only sensible heat and preserves the achieved moisture content.

An oversized multi-row coil causes sluggish temperature control.A shallow low-volume circuit responds quickly to modulating water flow.

Excessive fin resistance increases cleanroom fan power.A one- or two-row face and appropriate fin pitch minimize air-side pressure drop.

Simultaneous cooling and reheat waste plant energy.Heat-recovery or low-temperature return water can supply the reheat duty when available.

Aplikasi yang Tipis

Cleanroom temperature-humidity decouplingLaboratory dehumidification reheatHospital operating-room AHUsPharmaceutical make-up air unitsNeutral-temperature supply-air systems

Parameter teknis

Typical physical ranges for a compact AHU hot-water reheat coil are summarized below.

Bahan inti	Copper tubes with aluminum fins and compact copper headers
Ketebalan Panel (Panel Thickness)	1.2-1.8 mm galvanized steel casing
Efektif lebar	250-2200 mm active fin face width
Panjang maksimum	Up to 3200 mm overall casing length
Baja menghadap ketebalan	1.2-1.8 mm galvanized or stainless frame
Kepadatan inti (core density)	Approximately 2730 kg/m³ for the thin 3003 aluminum fin stock in the shallow reheat section
Konduktivitas Termal (Thermal Conductivity)	Approximately 193 W/(m·K) for the 3003 aluminum reheat fins at room temperature
Permukaan selesai	Natural or coated aluminum fins with bright galvanized casing
Jenis Bersama	Brazed copper tube/header joints inside a shallow flanged casing
Customization (Kustomisasi)	Tersedia berdasarkan aplikasi yang dimaksudkan dan lingkungan operasi.

Pilihan yang tersedia

One- or two-row circuitHeat-recovery, boiler-water or heat-pump-water serviceDifferent fin pitch and protective coatingsStainless casing with vent, drain and sensor pocket

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