304 Stainless Steel Locker for GMP Cleanroom — Gowning Room 6-Door Cabinet + Cleaning Validation
The Gowning Room Reality
Choosing lockers for a pharma Gowning Room isn’t the same as picking cabinets for a regular factory.
Painted steel lockers don’t hold up here. It’s not the build quality — it’s the environment. A pharma plant wipes down surfaces with 75% ethanol every day. The entire room gets hydrogen peroxide fumigation once a week. Painted steel surfaces start peeling within months of chemical exposure. Paint flakes landing on cleanroom garments count as particulate contamination.When the GMP auditor walks through, the changing room lockers come up. No material certification is one finding. Surface crevices you can’t swab are another. Rust or coating wear at the door edges — that’s a third.
We’ve been making stainless steel lockers for nine years. In pharma GMP, 304 is the baseline. A 6-door Gowning Room cabinet handles the audit path from the start.

6-Door 304 Stainless Steel Locker for GMP Cleanroom — Spec Sheet
| Item | Specification |
|---|---|
| Overall Height | 1800 mm |
| Overall Width | 900 mm |
| Overall Depth | 420 mm |
| Layout | 2 rows × 3 columns, 6 compartments |
| Compartment Height | Approx. 580 mm |
| Compartment Width | Approx. 430 mm |
| Compartment Depth | 420 mm |
| Body Material | 304 Stainless Steel |
| Surface Finish | Brushed, matte, Ra approx. 0.8 µm |
| Door | Single swing, single-piece pressed — no exposed welds |
| Door Frame | Single-piece folded — no joint gaps |
| Handle | Recessed, no exposed screws |
| Hinges | 304 stainless, concealed mounting |
| Lock | Full steel cylinder, low key clash rate |
| Ventilation | Dual-row long vents per door |
| Identification | Transparent label holder |
| Interior | 1 coat rod + 1 adjustable shelf |
| Approx. Weight | 35–40 kg |
| Delivery | Fully assembled — unpack and use |
Why GMP Demands 304
Put it simply: 201 works fine in a general workshop. In a GMP plant, it doesn’t.
The cleaning frequency in a pharma facility is relentless. Ethanol wipe-downs daily. Hydrogen peroxide vapor cycles weekly. Quaternary ammonium floor cleaning monthly. 201 stainless holds up for over a decade in normal conditions — but under this level of chemical contact, the surface starts to roughen after five or six years. Once the surface goes matte, cleaning validation fails. Swab results become unreliable.
304 stainless has a higher nickel content. Its chemical resistance is a different level. In a standard GMP environment, the surface finish stays unchanged for ten years and beyond. Walk through most pharma Gowning Rooms — the lockers are 304 brushed steel.
Our cabinets use 304 sheet stock. Whatever the auditor asks about materials, you’ve got the answer.

Where Each Grade Goes
Pharma changing areas are zoned. Configurations vary by zone:
Step-change area (street clothes off) — Coat rod inside, hang jackets and personal clothing. This zone hasn’t crossed into the cleanroom yet, but 304 is the safe choice. If it’s the step-change right before the cleanroom entrance, go with 304.
Gowning area (cleanroom garments on) — 304 mandatory. Shelf inside for cleanroom garment packs, hooks for masks and hoods. The cabinet sits in the buffer room. Surfaces get wiped down daily — they need to handle it.
Cleanroom entrance — 304 brushed standard. If your facility has areas requiring tighter surface specs, we can do a finer finish. Tell us what you need.

How It Ships
Fully assembled, three-layer packaging: anti-corrosion foam wrap around the cabinet, cardboard with corner protectors, stretch film on the outside. Arrives at port, gets wheeled to the Gowning Room, unwrapped, ready. No on-site assembly.
FAQ
Q: Will the surface pass cleaning validation? 304 brushed with Ra around 0.8 µm falls within standard pharma cleaning validation range. Swab after 75% ethanol wipe — colony count stays below threshold. Even after 100 repeated wipe cycles, no flaking, no peeling.
Q: How does this relate to a GMP audit? Two things auditors look for: does the material shed particles, and can you trace it. 304 stainless plus factory material documentation covers both.
Q: How many doors should I order? 6-door is the most common for Gowning Rooms. A typical shift team is 12 people — two 6-door cabinets, done. We also make 2-door, 9-door, and 12-door if your layout calls for it.
Q: What’s the shipping cost to India / Southeast Asia? FOB or CIF — whichever works for you. Tell us the port and quantity. Quote within 24 hours.
Bottom Line
The locker in a GMP facility is easy to overlook. But it’s one of those items that comes up during an audit.
304 stainless steel. Surface cleans well, validates well. Price depends on port and quantity. Contact us for an FOB or CIF quote — reply within 24 hours.