Aluminum Case for Food and Beverage Processing Equipment Transport: Hygienic Design, FDA-Compliant Materials, and CIP/SIP Compatibility Engineering

The food and beverage processing industry demands transport packaging that meets stringent hygiene, material safety, and contamination prevention standards that far exceed typical industrial case engineering. Food processing equipment — stainless steel mixers and blenders, homogenizers, fillers and cappers, pasteurizers and sterilizers, packaging machines, sensors and instrumentation — must arrive free of biological, chemical, and particulate contamination that could compromise food safety. A single hygienic filler valve (GEA, Krones, KHS; $5,000-$30,000, 3-4% of total line cost) must maintain its FDA 21 CFR-compliant surface finish (Ra <0.8 um, electropolished 316L) during transport, with no risk of surface contamination from case materials, adhesives, or cushioning. A hygienic design mixer (SPX Flow, Buhler, $10,000-$80,000) must arrive with its 316L stainless contact surfaces and EPDM food-grade seals intact, ready for CIP (Clean-In-Place) and SIP (Sterilize-In-Place) processing. A hygienic pressure transmitter (Endress+Hauser Cerabar, $1,500-$5,000, 3A-certified) must maintain its flush diaphragm surface finish and sanitary clamp connection integrity. This comprehensive engineering guide examines food and beverage transport environment challenges, food-grade material requirements, hygienic case design, stainless steel equipment protection, processing equipment transport, packaging machinery cases, sensors and instrumentation, CIP/SIP component transport, food safety standards, testing, and OEM/ODM solutions for the food and beverage processing industry.

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Food and Beverage Transport Environment Challenges

The food and beverage transport environment combines contamination prevention requirements, material safety regulations, and the mechanical protection needs of precision stainless steel equipment:

Contamination Prevention Requirements

Contamination Type	Source	Food Safety Impact	Case Prevention	Standard
Microbiological (bacteria, mold, yeast)	Case interior moisture, foam open cells, organic material	Food contact surface contamination; spoilage; foodborne illness	Case interior: closed-cell materials, no open-cell foam, dry interior (desiccant), sealed construction	FDA 21 CFR 110 (cGMP)
Chemical (VOC, plasticizer, adhesive)	Case adhesives, foam, gasket outgassing, powder coating	Migration of non-food-grade substances to food contact surfaces	Low-VOC materials (ASTM E595 TML <1.0%), food-grade gaskets (FDA 21 CFR 177.2600), no adhesive on food-contact paths	FDA 21 CFR 174-186; EU 1935/2004
Particulate (dust, fiber, foam particles)	Open-cell foam shedding, gasket bloom, coating chipping	Foreign material in food product; consumer complaint; recall risk	Closed-cell PE foam (no shedding), EPDM gasket (no bloom), non-shedding coating, sealed seams	3-A SSI; EHEDG
Allergen cross-contamination	Previous case use with allergen-containing equipment	Allergen residue on case surfaces transferred to new equipment	Single-use case liner; case interior washable; no porous materials that retain allergens	FALCPA; EU Reg. 1169/2011
Corrosion product	Aluminum case body contacting stainless equipment	Aluminum oxide transfer to food contact surfaces	Galvanic isolation (PE foam barrier, nylon washers); no aluminum contact with food-contact stainless	ISO 12944; 3-A SSI

Material Safety Regulations

All materials used in the transport case that could potentially contact food processing equipment surfaces must comply with food contact material regulations:

• FDA 21 CFR 174-186 (Food Contact Substances): US regulations covering indirect food additives including polymers (CFR 177 — polyethylene, polypropylene, silicone, EPDM, fluoropolymer), adhesives (CFR 175), and paper and board (CFR 176). Case materials that contact food equipment surfaces must use FDA-compliant polymers and adhesives.
• EU 1935/2004 (Food Contact Materials): European framework regulation for materials intended to contact food. Requires that materials do not transfer constituents to food in quantities that endanger health, change composition, or deteriorate taste/odor. Specific measures: EU 10/2011 (plastics), EU 2020/1245 (recycled plastics), Regulation (EC) 1935/2004.
• FDA 21 CFR 177.2600 (Rubber Articles): Covers rubber articles intended for repeated food contact. Case gaskets that contact food equipment surfaces must use FDA 177.2600-compliant EPDM or silicone (extractable limits: 175 mg/in2 distilled water, 3.5 mg/in2 n-hexane).
• FDA 21 CFR 177.1520 (Olefin Polymers): Covers polyethylene and polypropylene for food contact. Case foam cushioning that contacts food equipment must use FDA 177.1520-compliant closed-cell PE (Ethafoam 220).
• EFSA (European Food Safety Authority): Scientific opinions and risk assessments for food contact materials. EFSA evaluates migration limits, specific migration limits (SML), and overall migration limits (OML: 10 mg/dm2).

Food-Grade Case Material Engineering

Case Body Material Selection

Material	Food-Grade Rating	Outgassing	Corrosion Resistance	Case Application
Aluminum 6061-T6 (anodized Type II)	Non-food-contact (structural only)	Excellent (inorganic)	Good (with coating)	Case body and lid
Stainless steel 316L (2B finish)	Food contact (FDA; 3-A SSI)	Excellent	Excellent (passivated)	Interior contact surfaces, food-grade liner
Closed-cell PE foam (Ethafoam 220)	FDA 177.1520 (food grade)	Good (TML <0.5%)	Good	Cushioning that contacts equipment
EPDM gasket (food-grade)	FDA 177.2600 (food contact)	Good (TML <0.3%, post-baked)	Excellent	Case sealing gasket
Silicone gasket (food-grade)	FDA 177.2600 (food contact)	Good (TML <0.3%, post-baked)	Excellent	Case sealing gasket (temperature resistant)
Powder coating (food-grade)	Non-food-contact (exterior)	Fair (post-cure, low-VOC)	Excellent (C4 minimum)	Case exterior coating
Adhesive (low-VOC acrylic)	FDA 175.105 (indirect)	Good (post-cure TML <1.0%)	Good	Case construction (not on contact paths)

Food-grade case construction: For cases transporting food processing equipment, the construction follows a layered approach: (1) Aluminum 6061-T6 anodized exterior (structural, corrosion-resistant, non-shedding); (2) Interior surfaces lined with FDA-compliant closed-cell PE foam (Ethafoam 220, FDA 177.1520) — no open-cell polyurethane foam is used in food-grade cases; (3) Gaskets are FDA 177.2600-compliant EPDM or food-grade silicone (post-baked 4h at 150C to reduce outgassing to ASTM E595 TML <1.0%); (4) Adhesives are FDA 175.105-compliant low-VOC acrylic (post-cured 24h at 25C); (5) No exposed aluminum contacts the food equipment's stainless steel surfaces (PE foam barrier prevents galvanic corrosion and aluminum oxide transfer); (6) Fasteners in the case interior are 316 stainless or nylon with captured seals (no particle generation from fretting); (7) The case interior is washable (IP65-rated, can be washed with food-grade cleaning solutions: 2% NaOH, 1% HNO3, 85C).

Surface Finish Requirements

Food processing equipment has specific surface finish requirements that the transport case must not compromise:

Equipment Surface	Required Finish	Transport Risk	Case Protection
Food contact surface (316L)	Ra <0.8 um (electropolished)	Scratching from contact; contamination	Non-contact foam cradle (10mm gap), PE film wrap
Non-food contact surface (304)	Ra <2.0 um (brushed)	Scratching; contamination	25mm closed-cell PE foam
Sanitary weld joints	Electropolished, no crevices	Weld damage; crevice contamination	Relief cutout at weld zone, no foam contact
Sanitary clamp ferrule (316L)	Ra <0.8 um (precision machined)	Ferrule face scratching; O-ring damage	Ferrule cap (316 or PE), O-ring installed and greased
Flush diaphragm (sensor)	Ra <0.4 um (electropolished)	Diaphragm damage; surface contamination	Diaphragm cap (PE), 10mm air gap

Hygienic Case Design Principles

Following the principles of hygienic design (EHEDG Guideline 8, 3-A SSI Sanitary Standards), the food-grade transport case must itself be hygienic in construction:

• No dead legs or crevices: The case interior must not have pockets, gaps, or crevices that could harbor moisture, bacteria, or food residue. All seams are sealed (continuous weld or FDA-compliant sealant). The interior surface is smooth (Ra <3.2 um for case interior, not food-contact but washable).
• Sloped surfaces for drainage: The case floor has a minimum 3 degree slope toward a drain port (25mm, with food-grade EPDM plug). No horizontal surfaces where water can pool. The case interior can be washed (IP65-rated) and drained completely.
• No threaded fasteners in the interior: All interior fasteners are captured (nylon or 316 stainless with captured O-ring seals, no exposed threads that could trap contamination). Threaded fasteners are installed from the exterior (outside the case).
• Washable interior: The case interior can be washed with CIP-compatible cleaning solutions (2% NaOH, 1% HNO3, sodium hypochlorite 200 ppm) at up to 85C. The interior surface (anodized aluminum or 316L liner) withstands repeated wash cycles.
• Single-use liner option: For applications requiring absolute contamination prevention (allergen-sensitive, organic-certified), the case interior accepts a single-use PE liner (0.1mm FDA 177.1520-compliant polyethylene film, sealed at all edges). The liner is replaced for each shipment, eliminating cross-contamination risk.

Processing Equipment Transport

Mixer and Blender Transport

Equipment (representative)	Type	Value	Weight (kg)	Transport Risk	Case Design
SPX Flow Ricon/Riben	Ribbon/planet	$15,000-$80,000	200-2000	Shaft bending; seal; 316L surface; gearbox	Custom crate, shaft support, 50mm foam, seal guard
Buhler Aeromatic	Conical screw	$20,000-$100,000	300-1500	Screw bending; 316L; seal; bearing	Custom crate, screw cradle, 50mm foam, seal guard
Silverson L4M	High-shear	$3,000-$15,000	5-50	Rotor/stator; 316L; mechanical seal; motor	Standard case, 25mm foam, rotor lock, seal guard
IKA Mastermix	High-shear	$5,000-$20,000	10-60	Rotor/stator; 316L; seal	Standard case, 25mm foam, rotor lock, seal guard
Charles Ross VMC	Vacuum mixer	$30,000-$120,000	300-2000	Vessel; agitator; vacuum pump; 316L	Custom crate, agitator support, 50mm foam

Mixer case engineering: The mixer shaft (316L stainless, precision-machined, Ra 0.05mm runout) causes vibration, seal failure, and product contamination. The case provides: (1) a custom shaft support cradle (machined 316L or UHMW-PE, matching the shaft profile at 3-5 support points along the shaft length); (2) 50mm Ethafoam 600 (100 kg/m3) for the main body and motor; (3) a mechanical seal guard (foam donut around the seal housing, prevents impact on the precision seal faces); (4) a gearbox lock (prevents the gearbox from rotating during transport, protecting the gear teeth); (5) all food contact surfaces (316L, electropolished) are protected with PE film wrap (0.05mm, FDA 177.1520) and do not contact case foam (10mm air gap maintained by the cradle); (6) for large mixers (200-2000 kg), the case includes 4-point lifting lugs (rated 2x weight) and a pallet base.

Homogenizer Transport

Equipment	Brand	Value	Weight (kg)	Transport Risk	Case Design
High-pressure homogenizer	GEA Niro Soavi	$30,000-$200,000	100-1000	Valve seat (tungsten carbide); plunger; 316L; seal	50mm foam, valve seat cradle, plunger lock, seal guard
Inline homogenizer	Bertoli	$20,000-$100,000	50-300	Rotor/stator; 316L; seal; motor	50mm foam, rotor lock, seal guard, motor case
Ultrasonic processor	Hielscher/Sonics	$5,000-$30,000	3-30	Sonotrode (titanium); transducer; generator	25mm foam, sonotrode cap, transducer cradle, ESD for generator

Homogenizer valve seat protection: The GEA Niro Soavi homogenizer valve seat (tungsten carbide or ceramic, $500-$3,000, surface finish Ra <0.1 um) is one of the most precision-machined components in food processing. A scratch or impact on the valve seat surface degrades homogenization performance (particle size distribution shifts). The case provides a dedicated valve seat cradle (machined PE, 25mm, with a 10mm air gap around the seat surface) and a valve seat cover (PE film + rigid cap). The plunger (ceramic or tungsten carbide, Ra <0.05 um) has a separate plunger cradle with end protectors (PE caps preventing edge impact). All 316L food contact surfaces are wrapped in FDA-compliant PE film.

Filler and Capper Transport

Equipment	Brand	Value	Weight (kg)	Transport Risk	Case Design
Rotary liquid filler	GEA / Krones	$50,000-$300,000	500-5000	Fill valve (316L); carousel; 316L; sanitary clamp	Custom crate, valve cradle, 50mm foam, clamp ferrule caps
Volumetric filler	Ampack/IWIS	$10,000-$50,000	50-300	Piston/cylinder (316L); 316L; sanitary	50mm foam, piston lock, cylinder cap, ferrule caps
Capper	Zalkin/Berchi	$20,000-$100,000	200-1000	Chuck/spindle; 316L; servo; gearbox	50mm foam, chuck lock, spindle guard, ESD for servo
Induction sealer	Enercon	$3,000-$15,000	5-30	Sealing head; power supply; ESD	25mm foam, head cap, ESD for power supply

Fill valve protection: Rotary filler fill valves (GEa, Krones; 316L, electropolished, Ra <0.8 um, $500-$2,000 each, 20-100 valves per filler) are individually removed and transported in a dedicated valve tray case. The case has a compartmented 316L or PE tray (25mm foam) with each valve in its own labeled pocket, ferrule cap installed (316L or PE, protecting the sanitary ferrule sealing face), and O-ring installed and greased (food-grade silicone grease, FDA 21 CFR 178.3570). The valve tray case is IP65-rated (washable interior) and includes a desiccant system (silica gel, 5g per liter) to maintain dry interior during transport (prevents microbiological growth on valve surfaces).

Pasteurizer and Sterilizer Transport

• HTST pasteurizer (plate heat exchanger): SPX Flow/GEA HTST pasteurizer ($30,000-$150,000, 100-500 kg) has 316L stainless steel plates (0.5mm thickness, precision-stamped, Ra <0.8 um food side) with EPDM or FKM food-grade gaskets between plates. The plates are clamped in a frame. During transport, the plate pack must be clamped (frame clamped to transport position, preventing plate-to-plate contact and gasket deformation), and the frame is in a custom crate with 50mm structural foam. Sanitary clamp ferrules (3A SSI, DIN 11864) have caps installed. Temperature data logger (Ebro, NIST-traceable) is in a dedicated pocket.
• UHT sterilizer: UHT (Ultra-High Temperature) sterilizer ($50,000-$300,000) uses tubular or plate heat exchangers at 135-150C. The 316L tubes and plates must maintain surface finish during transport. The case provides 50mm structural foam, tube end caps (316L, sanitary), plate pack clamp, and sanitary ferrule caps. The homogenizer (integrated with UHT) has its own valve seat cradle.
• Retort/autoclave: Retort sterilizer ($30,000-$150,000, 500-5000 kg) is transported as a complete vessel. The case (custom crate) provides 50mm structural foam, vessel support cradle, door seal protection (EPDM door gasket, 25mm foam cover), and pressure relief valve cap. The vessel interior is purged with food-grade nitrogen (dry, <30% RH) to prevent microbiological growth during transport.

Packaging Machinery Transport

Flow Wrapper and Form-Fill-Seal

Equipment	Brand	Value	Weight (kg)	Transport Risk	Case Design
Horizontal flow wrapper	Bosch/Gefan	$30,000-$100,000	500-2000	Cutting blade; sealing jaw; 316L; servo; film	Custom crate, blade guard, jaw lock, 50mm foam, ESD for servo
VFFS (vertical)	Hayssen/M_ok	$20,000-$80,000	300-1000	Tube former; sealing jaw; 316L; servo	Custom crate, former lock, jaw lock, 50mm foam
Thermoformer	Multivac	$50,000-$200,000	1000-5000	Forming die; sealing die; 316L; chain; vacuum	Custom crate, die protection, 50mm foam, chain lock
Tray sealer	SEALPAC	$30,000-$120,000	300-1500	Sealing die; 316L; servo; vacuum pump	Custom crate, die protection, 50mm foam, pump caps

Cutting blade protection: The flow wrapper cutting blade (rotary or flat, tool steel or tungsten carbide, $500-$3,000, edge sharpness Ra <0.1 um) is removed and transported in a dedicated blade case (aluminum, 25mm foam, with blade edge protector — molded PE or magnetic strip holding the blade edge). The sealing jaw (316L, Teflon-coated surface, $200-$1,000) is locked in the open position with a jaw spacer. All 316L food contact surfaces are wrapped in FDA-compliant PE film. Servo motors and drives (FANUC, Siemens, Bosch) are in ESD-safe foam compartments.

Food-Grade Sensors and Instrumentation

Instrument	Brand	Value	Transport Risk	Case Design
Pressure transmitter (sanitary)	Endress+Hauser Cerabar	$1,500-$5,000	Flush diaphragm (Ra <0.4um); sanitary clamp; ESD	25mm foam, diaphragm cap, ferrule cap, ESD
Temperature (RTD, sanitary)	Endress+Hauser TR45	$800-$3,000	Thermowell (316L); sanitary clamp; ESD	25mm foam, thermowell cap, ferrule cap, ESD
Magnetic flowmeter (sanitary)	Endress+Hauser Promag	$3,000-$8,000	316L liner; electrode; sanitary ferrule; ESD	50mm foam, liner guard, ferrule caps, ESD
Coriolis mass flowmeter	Endress+Hauser Promass	$5,000-$20,000	Twin tube (316L); calibration; sanitary; ESD	50mm foam, tube support, calibration certificate, ESD
pH/ORP (sanitary)	Mettler Toledo	$1,500-$5,000	Glass electrode; sanitary retractable; ESD	25mm foam, electrode guard, ESD, retractable lock
Turbidity (sanitary)	Endress+Hauser Turbimax	$2,000-$6,000	Optical window (316L); ESD; sanitary	25mm foam, window cap, ESD, ferrule caps
Vision inspection	Keyence Cognex	$5,000-$20,000	Lens; CMOS; ESD; calibration	25mm foam, lens cap, ESD, calibration pocket
Metal detector	Loma/Eriez	$10,000-$50,000	Search head (coil); 316L; ESD; calibration	50mm foam, coil lock, ESD, calibration certificate
X-ray inspection	Mettler Toledo	$40,000-$120,000	X-ray tube; detector; 316L; ESD; radiation	50mm foam, tube lock, detector guard, ESD, lead shield notice

Sanitary sensor case engineering: Food-grade sensors have flush diaphragm or sanitary clamp (tri-clamp, DIN 11864, ASME BPE) connections with 316L wetted parts and electropolished surfaces (Ra <0.4-0.8 um). The case provides: (1) 25mm ESD-safe foam (sensor electronics are ESD-sensitive); (2) a diaphragm cap (PE or 316L cap, protects the flush diaphragm from mechanical damage and surface contamination); (3) sanitary ferrule caps (316L or PE, protecting the sanitary clamp sealing face); (4) a calibration certificate pocket (NIST-traceable, 5-10 point calibration); (5) for Coriolis meters, a tube support cradle (the twin measuring tubes must not be subjected to bending forces that could shift the calibration factor); (6) for pH sensors, a glass electrode guard (protects the glass bulb from impact) and a retractable assembly lock (prevents the electrode from extending during transport); (7) for X-ray inspection systems, a lead shielding notice (the X-ray tube has internal lead shielding that must not be damaged) and a detector guard (protects the photodiode array or line camera).

CIP and SIP Component Transport

CIP System Components

CIP Component	Brand	Value	Transport Risk	Case Design
CIP supply unit (pumps, tanks)	GEA/Tetra Pak	$20,000-$100,000	316L tank; pump; sanitary; valve; heat exchanger	Custom crate, pump lock, 50mm foam, ferrule caps
CIP control valve (sanitary)	Alfa Laval/APV	$2,000-$10,000	Valve seat (EPDM); 316L; actuator; sanitary	25mm foam, valve lock, actuator guard, ferrule caps
CIP spray ball (sanitary)	Spraying Systems/Alfa Laval	$200-$1,000	316L; nozzle precision; thread; surface finish	25mm foam, nozzle guard, thread cap, PE film
CIP conductivity sensor	Endress+Hauser	$1,000-$3,000	Electrode; 316L; sanitary; ESD	25mm foam, electrode cap, ferrule cap, ESD
CIP heat exchanger (plate)	GEA/SPX	$5,000-$30,000	316L plates; EPDM gaskets; frame	Custom crate, plate clamp, 50mm foam

CIP spray ball protection: The CIP spray ball (rotating or static, 316L, $200-$1,000) has precision-drilled nozzles (0.5-2.0mm diameter) that must not be damaged (blocked or enlarged nozzles compromise cleaning coverage). The case provides a dedicated spray ball cradle (machined PE, 25mm foam) with each nozzle protected by a PE plug (prevents contamination and mechanical damage to the nozzle bore). The spray ball thread (1.5 inch or 2 inch sanitary clamp or NPT) has a thread cap installed. The electropolished 316L surface is wrapped in FDA-compliant PE film.

SIP System Components

• SIP (Sterilize-In-Place) components: SIP uses clean steam (filtered, food-grade) to sterilize equipment at 121-134C. SIP components include clean steam filters (316L, 0.2um PTFE membrane, $500-$2,000), steam traps (sanitary, 316L, $300-$1,000), and temperature sensors (RTD, sanitary, for Fo-value calculation). The case provides 25mm foam, filter element guard (protects the PTFE membrane from impact), steam trap cap (prevents trap mechanism damage), and RTD thermowell cap. Clean steam components are pre-cleaned and bagged (polyethylene, Class 100, ISO 13408) before placement in the case.
• Sterile filter (venting): Sterile vent filters (316L housing, 0.2um PTFE membrane, $1,000-$3,000) for aseptic processing are transported in dedicated cases with the filter element sealed (heat-sealed PE bag, nitrogen-purged, <30% RH). The case provides 25mm foam and a desiccant system (silica gel, 10g per liter). The filter element is replaced if the transport shock indicator (ShockWatch 5g) is triggered.

Food Safety Standards for Transport Cases

• FDA 21 CFR 110 (cGMP for Food): Current Good Manufacturing Practice for manufacturing, packing, or holding human food. Transport cases for food equipment must not introduce contamination (biological, chemical, particulate) that would compromise cGMP compliance. The case interior must be cleanable and non-contaminating.
• FDA FSMA (Food Safety Modernization Act): Preventive controls for human food (21 CFR 117) and animal food (21 CFR 507). Requires hazard analysis and risk-based preventive controls (HARPC). Transport cases are part of the sanitation preventive control — they must not introduce hazards to food equipment during transport.
• HACCP (Hazard Analysis and Critical Control Points): Systematic preventive approach to food safety. Transport cases for food equipment are addressed at the receiving CCP (Critical Control Point) — the case must not introduce biological, chemical, or physical hazards to the equipment that could compromise food safety.
• ISO 22000 (Food Safety Management): International standard for food safety management systems. Transport cases for food equipment must meet ISO 22000 requirements for food safety in the supply chain (Clause 7.9: externally provided products; Clause 8.5.4: handling and delivery).
• 3-A SSI (Sanitary Standards): Sanitary standards for food and dairy equipment in the US. Equipment surfaces in contact with food must meet 3-A SSI standards (Ra <0.8 um, materials: 316L, no threads in contact with food, self-draining). Transport cases must not compromise the 3-A SSI surface finish of equipment.
• EHEDG (European Hygienic Engineering and Design Group): European guidelines for hygienic design of food equipment (Guideline 8: hygienic equipment design criteria). Transport cases follow EHEDG principles: no dead legs, smooth surfaces, cleanable, non-contaminating materials.
• EU 1935/2004 (Food Contact Materials): European regulation for food contact materials. Case materials contacting food equipment surfaces must comply with EU 1935/2004 (no migration of dangerous substances).
• USDA (Organic / Biopreferred): USDA organic certification (7 CFR 205) requires that transport containers for organic food products do not introduce prohibited substances. For organic-certified food equipment, the case uses a single-use PE liner and no non-food-grade materials contact the equipment.
• ASTM E595 (Outgassing): Case materials (foam, gaskets, adhesives) tested for outgassing (TML <1.0%, CVCM <0.1%) to prevent chemical migration to food equipment surfaces.
• ISTA 3A (Packaged-Product Transit): Standard for parcel delivery testing. Food equipment cases validated through ISTA 3A (drop 0.91m, vibration 0.5-2.0 Grms, compression).

Testing Standards for Food and Beverage Cases

• Material compliance test: Case materials tested for FDA 21 CFR compliance (extractable limits: 175 mg/in2 distilled water, 3.5 mg/in2 n-hexane for gaskets; overall migration <10 mg/dm2 for plastics per EU 10/2011). Certificate of Compliance provided with each case.
• Microbiological swab test: Case interior swabbed (3M Quick Swab, contact plate) before and after transport. Pass: <1 CFU/cm2 (aerobic plate count), no detectable coliforms, no detectable Listeria or Salmonella (for high-risk equipment).
• Allergen residue test: Case interior swabbed and tested for allergen residues (peanut, milk, egg, soy, wheat — ELISA-based test, Neogen Reveal 3-D, sensitivity 5 ppm). Pass: no detectable allergen (for allergen-sensitive shipments).
• Vibration test (IEC 60068-2-64): Case with equipment surrogate subjected to broadband random vibration (5-200 Hz, 0.5-2.0 Grms, 2h per axis). Pass: no surface finish damage; no ferrule damage; no seal damage.
• Drop test (ISTA 3A): 10 drops from 0.91m on edges, corners, and flat. Pass: no structural damage; no surface contamination; sanitary ferrule sealing faces intact.
• Outgassing test (ASTM E595): Case materials tested in vacuum at 125C for 24h. Pass: TML <1.0%, CVCM <0.1% (for food-grade material compliance).
• Wash-down test (IP65): Case interior washed with 2% NaOH solution at 60C (10L per minute, 5 minutes). Pass: no material degradation; no water ingress to ESD-safe foam; gasket seal maintained.
• Temperature test (IEC 60068-2-14): Thermal cycling (-10 to +50C, 4h per extreme, 3 cycles). Pass: no condensation; no gasket seal loss; no material outgassing increase.

OEM/ODM Solutions for Food and Beverage Industry

For OEM and ODM customers in the food and beverage processing industry, we offer fully customized aluminum cases:

• Food-grade case construction: 6061-T6 anodized exterior (non-shedding), FDA 177.1520 closed-cell PE foam (no open-cell PU), FDA 177.2600 food-grade EPDM/silicone gaskets (post-baked 4h at 150C, ASTM E595 TML <1.0%), FDA 175.105 low-VOC adhesives, 316 stainless/nylon fasteners with captured seals, washable IP65 interior, 3-degree sloped floor with drain port, single-use PE liner option
• Hygienic design: no dead legs or crevices (sealed seams), no threaded fasteners in interior (captured from exterior), sloped surfaces for drainage, washable interior (2% NaOH 85C), non-shedding coating, single-use liner (0.1mm FDA PE film)
• Mixer/blender cases: shaft support cradle (3-5 points, UHMW-PE), 50mm Ethafoam 600, mechanical seal guard, gearbox lock, PE film wrap on 316L surfaces (10mm air gap), 4-point lifting (200-2000 kg), pallet base
• Homogenizer cases: valve seat cradle (tungsten carbide/ceramic, 10mm air gap), plunger cradle (end protectors), 50mm foam, seal guard, PE film on 316L surfaces
• Filler/capper cases: fill valve tray (compartmented, 25mm foam, ferrule caps, O-ring installed + food-grade grease), 50mm foam, chuck lock, spindle guard, ESD for servo drives
• Pasteurizer/sterilizer cases: HTST plate pack clamp, UHT tube end caps (sanitary), retort vessel cradle, door seal protection (EPDM foam cover), nitrogen purge provision, temperature data logger pocket
• Packaging machinery cases: flow wrapper blade case (edge protector, molded PE), sealing jaw spacer (locked open), thermoformer die protection, tray sealer die protection, 50mm foam, ESD for servo electronics
• Food-grade sensor cases: flush diaphragm cap (PE/316L), sanitary ferrule caps (tri-clamp/DIN 11864), Coriolis tube support cradle (calibration protection), pH electrode guard (glass bulb), retractable assembly lock, turbidity window cap, metal detector coil lock, X-ray tube lock + detector guard + lead shield notice
• CIP/SIP component cases: CIP spray ball cradle (nozzle PE plugs), CIP valve lock + actuator guard, clean steam filter element guard (PTFE membrane), steam trap cap, sterile vent filter (heat-sealed PE bag, N2 purge, <30% RH, desiccant, ShockWatch 5g)
• Surface finish protection: 316L food contact surfaces (Ra <0.8 um, electropolished) wrapped in FDA 177.1520 PE film, 10mm air gap maintained by cradle (no foam contact), sanitary ferrule caps (316L or PE), flush diaphragm caps (Ra <0.4 um protection)
• Standards compliance: FDA 21 CFR 110 (cGMP), FSMA (21 CFR 117/507), HACCP, ISO 22000, 3-A SSI, EHEDG Guideline 8, EU 1935/2004, FDA 177.1520 (PE), FDA 177.2600 (EPDM/Silicone), FDA 175.105 (adhesive), USDA Organic, ASTM E595 (TML <1.0%), ISTA 3A
• Testing validation: FDA/EU material compliance (extractable/migration limits), microbiological swab (<1 CFU/cm2), allergen residue (ELISA 5 ppm), IEC 60068-2-64 vibration, ISTA 3A drop, ASTM E595 outgassing, IP65 wash-down, IEC 60068-2-14 thermal
• Branding: laser-engraved 3-A SSI compliance labels, FDA/EU food contact material labels, HACCP compliance labels, allergen-free labels, single-use liner labels, cleaning instructions (2% NaOH 85C), drain port labels

Our ISO 9001 certified facility in Changzhou engineers food and beverage processing equipment cases validated through FDA 21 CFR material compliance testing, microbiological swab testing, allergen residue testing, IEC 60068-2-64 vibration testing, ISTA 3A drop testing, ASTM E595 outgassing analysis, IP65 wash-down testing, and IEC 60068-2-14 thermal cycling. For custom food-grade case specifications, visit our OEM/ODM Customization page or review our certifications and standards.

Contact Us for Food-Grade Aluminum Cases

From food-grade mixer cases with precision shaft support cradles and FDA-compliant closed-cell PE foam, to homogenizer valve seat cases with tungsten carbide air-gap protection, to filler valve tray cases with sanitary ferrule caps and food-grade O-ring grease, to CIP spray ball cases with nozzle PE plugs and 316L surface PE film protection, to food-grade sensor cases with flush diaphragm caps and sanitary clamp ferrule protection, every food and beverage case we engineer is validated through FDA/EU material compliance testing, microbiological swab testing, allergen residue testing, IEC 60068-2 vibration and ISTA 3A drop testing, ASTM E595 outgassing analysis, and IP65 wash-down testing. Our expertise in food-grade material selection (FDA 21 CFR 177.1520 PE, 177.2600 EPDM, 175.105 adhesive), hygienic case design (EHEDG Guideline 8, 3-A SSI, no dead legs, washable interior, single-use liner), processing equipment transport (mixer, homogenizer, filler, pasteurizer, packaging), food-grade sensor protection (sanitary diaphragm, Coriolis tube, pH electrode), CIP/SIP component cases, and food safety standards (FDA cGMP, FSMA, HACCP, ISO 22000, 3-A SSI, EHEDG, EU 1935/2004) ensures that your food and beverage processing equipment arrives clean, undamaged, and food-safety compliant.

For custom food-grade case specifications:

• Email: nick@http://http://https://robust-case.com/wp-content/uploads/2026/09/emergency-medical-scene-2.jpg.com/wp-content/uploads/2026/09/722_1691-centered-1-3.png.com/wp-content/uploads/2026/09/faq-support-2.jpg.com
• WhatsApp: +86 176 2594 7792
• Request a Quote with your equipment type (mixer/homogenizer/filler/capper/pasteurizer/packaging machine/sensor/CIP-SIP), dimensions, weight, surface finish requirements (Ra), sanitary connection type (tri-clamp/DIN 11864/ASME BPE), and food safety standard (FDA/3-A/EHEDG/ISO 22000)

Manufactured in Changzhou, China under ISO 9001 quality management. Compatible with FDA 21 CFR 110 (cGMP), FSMA (21 CFR 117), HACCP, ISO 22000, 3-A SSI, EHEDG Guideline 8, EU 1935/2004, FDA 177.1520 (PE foam), FDA 177.2600 (EPDM/silicone gaskets), FDA 175.105 (adhesives), USDA Organic, ASTM E595 (TML <1.0%), ISTA 3A, and IEC 60068-2.