Engineering Reference Case Profile · GMP Grade A/B mRNA Manufacturing

800 FFU mRNA Fill-Finish Cleanroom Build · EU GMP Annex 1

A composite reference case based on representative mRNA pharma fill-finish facility builds — supplying EN 60601-1-2 medical-EMC EC plug fans for ISO Class 5 / EU GMP Grade A/B cleanroom with N+1 redundancy and 8-week PO-to-install delivery hitting commissioning critical path.

Project size: 800 FFU at EU GMP Grade A/B · mRNA fill-finish facility Reference period: Composite reference · 2024–2025 build pattern Geography: EU + Asia-Pacific pharma cleanroom segment

About this case profile: This is an anonymized composite reference case based on representative LONGWELL platform deployments in the Pharma Cleanroom · mRNA Fill-Finish segment. It illustrates the engineering challenge, solution architecture, and measurable outcomes typical of projects in this class. Performance numbers reflect LONGWELL platform validated specs plus industry-standard improvement deltas, not a specific named customer claim. Real customer references are available under NDA on project qualification (sales@longwellfans.com).

1 · Challenge

EU GMP Annex 1 (revised 2023, full enforcement 2025) Grade A/B requirements with tightened contamination control strategy (CCS) and N+1 redundancy.
EN 60601-1-2 medical EMC required for adjacent medical-device equipment (filling line + visual inspection systems).
ISO 14644 Class 5 face-velocity uniformity + ULPA U15 filter at 0.45 m/s ±18%.
8-week commissioning window (compressed pharma capex schedule for mRNA build-out).
Patient-safety acoustic: <38 dB(A) Lp at filling-line operator position.
N+1 redundancy per JCI requirement (single-fan failure must not interrupt aseptic processing).

2 · Solution Architecture

800 LWBE3G-Medical FFU on 600×600 mm ceiling grid across Grade A fill-finish suite + Grade B background. N+1 master/slave parallel control (single-fan failure auto-redistributes load). 60 LWAE3G-Medical for negative-pressure isolation room exhaust (Grade C/D). EN 60601-1-2 medical-EMC tested per shipment with TÜV report. EU GMP Annex 1 dossier covering material data sheet, particle generation, sterilizability (autoclave + VHP H2O2), drainable / cleanable housing.

Bill of materials

LONGWELL SKU	Type	Qty	Key spec
LWBE3G-Medical	EC plug fan medical-EMC	800 FFU	Ø250–Ø355 mm, EN 60601-1-2 medical EMC, 0.45 m/s ±18% face velocity, ULPA U15/U16, EU GMP Annex 1 Grade A/B documentation per shipment
LWAE3G-Medical	Medical-EMC axial fan	60 units	Negative-pressure isolation ducting (Grade C/D isolation areas)

3 · Measured Outcomes

GMP Annex 1 Grade A integrity hold time

38 minutes

target 30 min · validated

First-pass GMP qualification

Yes

no re-spec required

EN 60601-1-2 EMC verified per shipment

100%

via TÜV reports

Lead time PO → install

8 weeks

vs 16–22 wk ebm-papst Medical

N+1 redundancy event response

<10 seconds

auto load redistribution

Acoustic at operator position

36 dB(A)

well under 38 limit

4 · Implementation Timeline

Week 0Master PO for 800 FFU + 60 axial

Week 1–4Tooling lock + first 200-FFU qualification batch

Week 5Qualification batch acceptance + EMC verification

Week 6–7Remaining 600 FFU production

Week 8Final delivery + Grade A integrity test pass

Week 10Commissioning hand-over

5 · Engineering Lessons

EU GMP Annex 1 dossier per shipment (not one-time type test) is mandatory for pharma cleanroom commissioning. Documentation includes material data sheet, particle generation per ISO 14644-3, sterilizability with autoclave + VHP H2O2, drainable + cleanable housing.
N+1 redundancy via parallel Modbus master/slave with auto load redistribution on fault eliminated the need for separate standby FFU bank — simpler architecture, same JCI compliance.
Grade A integrity hold time of 38 minutes (vs 30 minute target) provided 27% safety margin for unplanned interventions during aseptic processing.
EN 60601-1-2 medical-EMC verification per shipment avoided interference with adjacent filling-line vision inspection systems + automated visual inspection (AVI) cameras.
8-week PO-to-install (vs 16-22 weeks ebm-papst Medical) preserved the mRNA build's 6-month commissioning critical path — competitor alternative would have missed FDA inspection window.

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