Solutions pour
AHU cabinet PU foaming lines for HVAC equipment manufacturers
HVAC air-handler unit (AHU) cabinets require PU-foamed sandwich panels for thermal insulation and acoustic damping. We supply the PU foaming line, foaming moulds and insulation material system for AHU cabinet panel production — 30 – 150mm panel thickness, 50 – 500 cabinet sets per day.
In one line
2 HVAC cabinet OEM projects delivered — focused exclusively on the insulated-cabinet panel stage, the narrow slice of HVAC plant where PU foaming expertise matters most.
Scope: UREXCEED supplies only the PU foaming line and moulds for HVAC air-handler (AHU) cabinet production. We do NOT supply compressors, condensing units, refrigerant systems, or full HVAC plant turnkey solutions — contact a dedicated HVAC OEM integrator for those.
- HVAC cabinet OEMs
- Air handler unit manufacturers
Real pains we hear from buyers — and what we ship to solve each one
Four pains every HVAC AHU cabinet factory founder brings us. Our line clears each — staying inside scope (cabinet only, not the full AHU plant).
AHU cabinet panel thermal bridge — building HVAC engineer rejects spec on heat loss calculation
Thermal bridges form at panel-to-frame joints when PU foam doesn't reach edges evenly. Our cabinet mould design fills the full perimeter to ±0.3 mm thickness uniformity. Foam k-factor 0.022–0.024 W/m·K verified shot-by-shot. Joint thermal break gasket integrated into mould geometry. Field-measured U-value: 0.5–0.7 W/m²·K (well below 1.0 W/m²·K threshold).
AHU acoustic spec (LEED healthcare hospital projects) — STC 40 minimum, my current panels only hit STC 32
STC is foam density + panel thickness + panel-to-panel joint design. We tune PU formulation to density 45–50 kg/m³ (vs standard 38–42), panel thickness 50–80 mm, and ship the acoustic test chamber (USD 65K–140K) for ISO 717-1 STC measurement on every cabinet variant before shipping to LEED/healthcare buyers. Field STC: 42–48.
Project-based orders with different sizes per building — modular tooling not flexible enough
Our foaming moulds are reconfigurable ±20% from base mould dimensions (e.g., 1.2×2.4 m base mould covers 0.96×1.92 m to 1.44×2.88 m). Truly custom sizes outside ±20% range need new mould inserts (USD 60K–140K). Most AHU factories carry 3–5 base moulds covering 80% of project orders, plus inserts for major repeat sizes.
Cabinet supply scope vs full AHU plant — buyer keeps asking for fans, coils, motors which I don't supply
AHU plant = cabinet + coil + fan + filter + motor + controls. We supply ONLY the cabinet (foaming line). To keep buyer expectations clean: we ship a scope-boundary letter with every quote stating what's in scope (cabinet panels + foam + finish) and what's out (mechanical components). Most AHU brand customers source coils from Bohn/Bitzer, fans from Ziehl-Abegg/EBM-Papst, motors from ABB/WEG independently.
Ce dont vous avez besoin
yongjiapu.com
Machine PU haute pression
100–1 500 g/s, 2–4 composants, Siemens PLC
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Système de matières premières PU
Polyol + isocyanate + agent gonflant, k-factor jusqu'à 0,018
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Ferronnerie & accessoires
Charnières, joints, poignées, LED, évaporateurs & condenseurs
En savoir plusFrom inquiry to first commercial unit — the 6-step delivery flow
From inquiry to first AHU cabinet rolling off your line. ~7 months for a 200 units/day AHU cabinet line — faster than refrigerator lines because cabinet structure is simpler.
- 1
Inquiry & Scope Boundary Confirmation
Week 1–2Share target capacity, AHU segment (commercial / healthcare / data center / LEED), cabinet size range, target acoustic + thermal spec. We send 1-page proposal + scope boundary letter (cabinet only, mechanical components sourced by you) in 5 days.
- 2
Detailed Proposal & Acoustic / Thermal Spec
Week 2–3Engineering picks base mould platform sized for 80% of your project order range, PU formulation per acoustic + thermal target, acoustic test chamber if LEED/healthcare positioning. Quote with 16-line BOM in 10 days.
- 3
Contract & Panel Design Freeze
Week 3–530% down. Panel CAD + joint geometry + foam density target frozen. Acoustic / thermal targets signed off.
- 4
Mould + Acoustic Chamber Build
Month 2–4Cabinet moulds: 45–60 days. PU machine: 45 days. Acoustic test chamber (if optioned): 60 days. Pre-shipment FAT — we run trial cabinets and ship the acoustic + thermal validation report.
- 5
Sea Freight & On-Site Installation
Month 4–63–4 × 40' containers from Shanghai/Ningbo. On-site installation 2–3 weeks. Standard concrete floor, normal ceiling height — minimal building modifications.
- 6
Commissioning, Acoustic / Thermal Testing & Acceptance
Month 6–7First 30 trial AHU cabinets produced + tested through thermal U-value + STC acoustic protocols. Operator training. Acceptance signed when 20 consecutive cabinets pass thermal + acoustic spec. 60% payment due here.
Pourquoi cette ligne fonctionne — validé par les spécifications réelles
Ligne de moussage dédiée aux panneaux d'armoire CTA. Non pas une installation HVAC complète — voir la délimitation du périmètre ci-dessous.
Épaisseur de panneau CTA de 30–150 mm sur une seule ligne
Moussage PU avec épaisseur de panneau d'armoire réglable de 30 mm (CTA commercial léger) à 150 mm (CTA industriel avec exigence d'atténuation acoustique élevée). Même infrastructure de ligne, jeu de la presse à double bande ajusté selon les spécifications du panneau — pas d'outillage séparé.
Densité PU de 38–58 kg/m³ pour l'équilibre thermique et acoustique
Les panneaux CTA doivent équilibrer la valeur R (isolation thermique) et l'atténuation acoustique (perte par transmission sonore). Densité de mousse 38–45 kg/m³ pour les armoires à priorité thermique, 48–58 kg/m³ pour les armoires à priorité acoustique desservant la santé, les centres de données et les laboratoires.
Capacité modulaire de 50 à 500 ensembles d'armoires par jour
La disposition de la ligne démarre à 50 ensembles d'armoires par jour pour les nouveaux programmes OEM HVAC et monte à 500 ensembles par jour. Les volumes OEM CTA sont inférieurs aux OEM de réfrigérateurs (plus de variations de SKU, lots plus petits), donc la marge de capacité compte moins que la flexibilité d'outillage.
Compatibilité avec parements galvanisé / inox / aluminium
Outillage de ligne de moussage compatible avec le parement en acier galvanisé (commercial standard), parement inox (agroalimentaire/pharmaceutique) et parement aluminium (centres de données / installation côtière). Le changement de matériau de parement nécessite uniquement un ajustement de l'adhésif / du traitement de surface, pas de changement d'outillage.
Customization Options
Project-based AHU buyers need flexibility within ±20% of base mould. 4 axes per tender.
Panel size
Base mould 1.2 × 2.4 m covers ±20% (0.96–1.44 m × 1.92–2.88 m). Outside range: insert moulds (+USD 60K–140K per new size).
Insulation spec
PU foam 30 / 50 / 80 / 100 / 120 / 150 mm. Foam density 38–50 kg/m³ tuned for acoustic + thermal target.
Acoustic target
Standard (no chamber) / LEED healthcare STC 40+ / data-center STC 50+. ISO 717-1 test chamber optional (+USD 65K–140K).
Steel & finish
PPGI / PPGL / stainless skin. 0.5 / 0.6 / 0.8 mm gauge. Brand decal placement, RAL color match for project tenders.
Foam Quality Visualization — what closed-cell structure actually looks like
The single biggest predictor of refrigerator cabinet thermal performance is the foam cell structure. Closed-cell ratio, average cell diameter and density uniformity decide whether your cabinet holds -18°C in 35°C ambient — or fails the EU Ecodesign type-test. Here's what fine and coarse PU foam look like under a scanning electron microscope.
Industry-typical low-grade PU
- Avg cell diameter
- ~400 µm
- Closed-cell ratio
- 85–90%
- k-factor (W/m·K)
- 0.025–0.028
- Density uniformity
- ±5 kg/m³
Visible voids, broken cell walls, large irregular cells. Refrigerator cabinet pull-down test fails at 32°C+ ambient. EU Ecodesign type-test fails first submission.
Our cyclopentane PU system
- Avg cell diameter
- ~100 µm
- Closed-cell ratio
- ≥95%
- k-factor (W/m·K)
- 0.019–0.021
- Density uniformity
- ±0.5 kg/m³
Uniform fine cells, intact walls, high closed-cell ratio. Refrigerator cabinet pull-down test passes at 43°C tropical ambient. EU Ecodesign / WHO PQS / ENERGY STAR first-submission pass rate 90%+.
How we measure it: Every shipment of PU raw materials runs through pilot foaming + SEM cell-structure check at our lab. Every commissioned line gets a foam parameter card with these targets — if your operators tune to the card, the foam structure stays in this range. Sample reports available on request.
Illustration · Conceptual SEM micrographs representing typical industry coarse foam (left) vs UREXCEED cyclopentane PU foam quality target (right). Real SEM reports from your specific line available after commissioning.
Application Scenarios
AHU cabinets land in commercial, healthcare, and project tender markets.
- Commercial building HVAC AHU cabinet (office / retail)
- Healthcare AHU (hospital / clinic, LEED-compliant STC 40+)
- Data center AHU cabinet (acoustic STC 50+, high-load tropical)
- Industrial AHU (manufacturing plant air handling)
- Cleanroom AHU cabinet (pharmaceutical / electronics)
- Project-tender AHU (school / government building HVAC contract)
Les questions que nous posent les propriétaires d'usine
Quel est l'investissement typique pour une ligne de moussage de panneaux CTA ?
Pouvez-vous fournir l'installation HVAC complète (compresseurs, groupes de condensation) ?
Prenez-vous en charge les tailles de CTA sur mesure pour les commandes spécifiques à un projet ?
Quel est le délai pour une ligne de moussage CTA ?
Pouvez-vous fournir des équipements de test acoustique pour les armoires CTA ?
Optional Add-ons
Extend Your Production Line
Five proven add-ons our 1,800+ customers ask for after their first refrigerator factory line goes live. Discuss with our engineers which fit your spec.
Raw Material Supply
PU MDI / Polyol systems sourced direct from BASF / Covestro / Wanhua, calibrated to your foam specs and climate. Container-load discounts.
Spare Parts Package
2-year wear-parts package — seals, valves, heating elements, sensors. Pre-shipped with the line, no air-freight emergencies.
Robot Integration
ABB / KUKA 6-axis robot for de-molding, demoulding, palletizing or insertion of internal components — boost throughput +30%.
Automatic Demoulding System
Vacuum-assisted demoulding for thin-wall liners and complex geometries — eliminates worker injury, halves cycle time.
Quality Inspection System
Inline foam density, void, k-factor + dimensional QC stations. Auto-reject + traceability log — meets ISO 9001 + EU appliance regulation.
ROI · Cost Analysis
Investment Range & Payback
Indicative range based on 1,800+ delivered lines. Final pricing depends on automation level + add-ons + local labor cost. Request a quote for your spec.
Configuration note: Scope = cabinet panels only (we do NOT supply coils / fans / motors). Standard config USD 600K–1.2M. Add LEED/healthcare acoustic test chamber (STC 40+): +USD 65K–140K.
Service & Support
Garantie & Service
Intervention sur site disponible dans chaque région où nous avons livré des projets.
On-Site Installation
Our engineers fly to your factory to supervise installation, layout verification, and first-run production.
Commissioning + Tuning
Trial run + parameter tuning to your local raw material, climate, and target product spec — until throughput meets contract.
Operator Training
5-10 day on-site training for production team, QC, and maintenance — bilingual manuals + video tutorials provided.
3-Year Warranty + Spares
Core equipment 3-year warranty, electrical 2-year. Spare parts in stock with global express shipment 24h dispatch.
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Turnkey Production Lines for Refrigeration Equipment Factories
"From a Single Pump to a Turnkey Line — One Partner Through Every Tier."