July 20, 2026
2026-07-20 | Workshop Sanitation Equipment | Henger Technology
In food processing workshops, surface contamination—blood, fat, protein residue, and biological films—accumulates on equipment, walls, floors, drain channels, and ceiling structures. Standard hose-down rinsing cannot fully remove these layers, leaving organic deposits that harbor bacteria. An industrial foam cleaning machine addresses this by applying thick, clinging foam that penetrates surface irregularities, dissolves grease and protein, rinses under high-pressure water, and then applies a sanitizing spray that reaches residual contamination in crevices. This guide evaluates four Henger models, matching each to plant scales, infrastructure, and compliance requirements.
• 1. Low-pressure rinsing only removes visible debris. Grease films and biological contamination in crevices and seams remain—creating persistent reservoirs.
• 2. Manual detergent application with buckets and brushes produces uneven coverage. Foam thickness, contact time, and chemical exposure vary by operator.
• 3. HACCP and BRCGS require documented cleaning parameters—chemical concentration, foam contact time, rinse pressure, sanitizing coverage. Manual methods produce no cycle records or concentration logs.
• 4. A typical 30-minute hose-down rinse can consume 2,000–3,000 liters with low cleaning effectiveness—contact time between agent and surface is too brief.
• 5. When the same hose and brush cross multiple production zones, cleaning equipment becomes a contamination transfer vector—violating HACCP zone separation principles.
• 6. Cold room cleaning is particularly difficult. Low temperatures slow chemical reaction rates. Foam application at controlled concentrations operates effectively at 4–8°C.
The production environment falls under prerequisite program requirements defining workshop sanitation compliance:
• HACCP Prerequisite Programs: Cleaning programs must include defined methods, responsible persons, frequencies, and chemical specifications. Foam cleaning with documented parameters provides verifiable evidence.
• ISO 22000:2018: Clause 8.2.1 requires documented procedures for cleaning and sanitizing premises and equipment with defined methods, frequencies, and verification.
• BRCGS Issue 9: Clauses 4.11.4 & 4.11.6 require documented cleaning procedures and documented chemical concentrations, contact times, and rinse parameters. Manual methods do not produce these.
• EU (EC) 852/2004: Annex II, Chapter I requires all surfaces in food-handling areas be easy to clean and disinfect—implying cleaning must be effective and verifiable.
• Codex GMP: Chapter III states premises and equipment must be maintained clean with appropriate agents, defined concentrations, application methods, and verification.
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Henger Technology's foam cleaning machine series offers four models covering all plant scales. All share three-in-one functionality: high-pressure rinse, foam cleaning, and spray disinfection—switchable with a single valve. Differences: mobility, pressure, dosing, and infrastructure.
The HE-FS01 features a built-in silent oil-free air compressor and plunger pump (80 Bar)—fully standalone. The 5L concentrate tank uses automatic proportional dosing via German-technology valve with proportional plug (foam: 1.0mm / disinfectant: 0.6mm). A 25m food-grade hose covers large areas. VFD ensures stable operation; water-electricity separation and multi-layer leakage protection provide safety.
The HE-FS04 connects to facility air (4–6 Bar) and water, operating at 30 Bar. Uses automatic proportional dosing with precision imported valve—fill 5L tank with concentrate, machine proportions automatically. Fixed installation provides consistent cleaning at a dedicated workstation.
The HE-FS02/03 are lightweight pneumatic units (20.5/28 kg) requiring external air supply. Operate at 0.8 MPa with 15m hose. Manual dosing at 1:3 ratio in 60–70L tanks. Sacrifice auto-dosing and high-pressure for portability and low cost.
All models: SUS304 stainless steel (HE-FS02 has plastic tank). German-technology valve body enables single-control three-in-one switching. Flow-sensing auto-control reduces water consumption ~80% vs. conventional rinsing.
Henger Manufacturing (Shandong) provides CE & ISO9001 & SGS certification, 5-year warranty, and 24h global support.
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Case: Northern European Dairy Processing Plant
A Northern European dairy plant faced recurring BRCGS findings on workshop sanitation. Manual hose-down + bucket application produced ATP averages of 380 RLU on vat surfaces—above the 150 RLU threshold.
After deploying foam cleaning machine HE-FS01:
• • ATP consistently < 100 RLU—significant improvement from 380 RLU
• • Uniform foam coverage across 3,000 m² workshop; 25m hose + one-click switching
• • Water consumption dropped ~80%: 2,500L → 500L per session
• • Chemical consumption decreased ~40%—auto-dosing delivers exact concentration
• • BRCGS findings cleared—documented cycle parameters replace manual logs
• • Cold room cleaning feasible—foam maintains effective contact at 4–8°C
The hygiene manager: “Three-in-one was the key. One operator, one unit, one-click switching. Fill 5L concentrate at shift start, machine handles dilution all day.”
Criteria | HE-FS01 | HE-FS04 | HE-FS02 | HE-FS03 |
Type | Mobile HP | Fixed | Pneumatic | Pneumatic |
Pressure | 80 Bar | 30 Bar | 0.8 MPa | 0.8 MPa |
Power | 380V/3kW | 380V/4kW | Ext Air | Ext Air |
Air | Built-in | Ext 4-6Bar | External | External |
Dosing | Auto Plug | Auto Valve | Manual 1:3 | Manual 1:3 |
Tank | 5L Conc | 5L Conc | 60L Mix | 70L Mix |
Coverage | 2500-3000m² | 2500-3000m² | 1000-2000 | 1000-2000 |
Hose | 25m | 25m | 15m | 15m |
Material | SUS304 | SUS304 | 304+Plastic | SUS304 |
Weight | 172.5kg | ~150kg | 20.5kg | 28kg |
Best For | Large,standalone | Large,fixed | Small | Small |
Key Selection Considerations:
• 1. Infrastructure: No facility compressed air? HE-FS01 is the only standalone model—built-in compressor + 80 Bar pump, needs only 380V + water.
• 2. Fixed vs Mobile: Existing air infrastructure? HE-FS04 fixed station provides same auto-dosing at a dedicated workstation—supports documented SOPs.
• 3. Budget: HE-FS02/03 suit smaller workshops (<2,000 m²) with existing air and limited budgets. Manual dosing requires operator discipline.
• 4. Reach: 25m hose covers up to 3,000 m² from one point. 15m hose limits coverage to smaller areas.
• 5. Cold Room: Foam maintains effective contact at 4–8°C. Auto-dosing ensures correct concentration regardless of temperature.
The foam cleaning machine requires consistent maintenance for reliable three-in-one operation and accurate dosing:
• • Fill tank at shift start: 5L concentrate (HE-FS01/04) or 60-70L pre-mix 1:3 (HE-FS02/03).
• • Wipe SUS304 exterior after each session.
• • Flush hose 30s with clean water after use.
• • Check hose connections and nozzle fittings.
• • Remove and clean proportional plugs (1.0mm foam / 0.6mm disinfectant). Soak in warm water + mild detergent.
• • Inspect German valve body for smooth 3-mode operation.
• • HE-FS01: clean air compressor intake filter.
• • Calibrate dosing: measure concentrate consumed over 10 cycles. Adjust if drift >5%.
• • ATP validation: clean 3 surfaces, swab 3 points each. Compare vs threshold.
• • Test flow-sensing: pump should stop within 5s when trigger released.
• • Replace proportional plugs if showing erosion or orifice change.
• • Full hose inspection: check for kinks, blockages, fitting corrosion.
• • HE-FS01: compressor service—filter replacement, valve plate inspection.
Q1: HE-FS01 vs HE-FS04?
HE-FS01: mobile standalone with built-in compressor + 80 Bar pump. HE-FS04: fixed station connecting facility air (4-6 Bar) and water, 30 Bar. Both auto-dosing.
Q2: Pre-mixed chemicals needed?
HE-FS01/04: auto-dosing—fill 5L with concentrate, machine proportions automatically. HE-FS02/03: pre-mix at 1:3 ratio.
Q3: Coverage per tank?
HE-FS01/04: ~2,500-3,000 m² foam, >10,000 m³ disinfectant. HE-FS02/03: ~1,000-2,000 m².
Q4: Switch modes during operation?
Yes—all models one-click switching between rinse, foam, disinfect via control valve.
Q5: Safety features?
HE-FS01/04: water-electricity separation, leakage protection, emergency stops. HE-FS01 also: VFD for stable operation.
Q6: HACCP/BRCGS compliance support?
Three-in-one with defined parameters supports documented procedures under HACCP, ISO 22000, BRCGS. Auto-dosing eliminates variable manual dilution. For facilities using Henger's central foam cleaning station for system-wide sanitation, the portable unit provides the spot-cleaning component.
When manual methods produce uneven coverage, excessive water, no documented parameters, and audit findings—a dedicated foam cleaning system becomes necessary. Henger's foam cleaning machine series offers four models covering every plant scale: 80 Bar standalone HE-FS01 to compact HE-FS02/03. All deliver three-in-one functionality with one-click switching, SUS304 construction, and German-technology valve system.
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