3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System

1. Dimensions & Tank Capacity

Overall External Dimensions (by axle configuration):

2-axle model (light-duty, short-haul): 8.5–10.0 m (L) × 2.55 m (W) × 3.2–3.5 m (H); Wheelbase: 5.0–6.0 m

3-axle model (medium-duty, inter-regional): 11.5–13.5 m (L) × 2.55 m (W) × 3.4–3.8 m (H); Wheelbase: 6.8–8.2 m

4-axle model (heavy-duty, long-haul): 14.0–16.0 m (L) × 2.55–2.8 m (W) × 3.6–4.0 m (H); Wheelbase: 8.5–10.5 m

Tank Core Specifications:

Volume Capacity: 20–30 m³ (2-axle); 32–45 m³ (3-axle); 48–60 m³ (4-axle) – calibrated for liquid food density (e.g., 1.03 kg/L for milk, 0.92 kg/L for edible oil)

Tank Dimensions (3-axle example): 8.0–10.0 m (tank length) × 1.8–2.2 m (tank diameter); wall thickness: 4–6 mm (304 stainless steel)

Compartment Option: 1–3 separate compartments (for multi-type liquid transport, e.g., milk + juice; each compartment with independent valves)

2. Tank Material & Hygienic Design

Primary Material:

Food-grade stainless steel: 304 (standard, for non-corrosive liquids like milk, edible oil) or 316L (premium, for acidic liquids like concentrated juice, fermented beverages)

Inner Surface Finish: Mechanical polishing + electrolytic polishing – surface roughness Ra ≤ 0.8 μm (prevents liquid residue and bacterial growth)

Welding Standard: TIG (Tungsten Inert Gas) welding – seamless internal welds (no dead corners); passivated post-welding to remove oxide layers

Hygiene Systems:

CIP (Clean-in-Place) Cleaning Interface: 2–4 inlet/outlet ports (DN50–DN80); compatible with high-pressure (0.6–1.0 MPa) hot water (60–80°C) or cleaning agents (e.g., sodium hydroxide solution)

Sanitary Ventilation: 1–2 air filters (0.22 μm pore size) on tank top – prevents dust/microbes from entering during loading/unloading

Drainage: Full-bottom slope design (1–3°) + sanitary drain valve (DN40) – ensures complete liquid discharge (no residual)

3. Loading & Unloading System

Transfer Pumps:

Type: Sanitary centrifugal pump (3-axle model: flow rate 50–80 m³/h; 4-axle model: 80–120 m³/h) – made of 304/316L stainless steel; seal type: mechanical seal (food-grade fluororubber) to prevent leakage

Power Source: PTO (Power Take-Off) from tractor (standard) or independent diesel generator (optional, for off-grid use)

Valves & Connections:

Valves: Food-grade sanitary butterfly valves (DN80–DN125) – with EPDM gaskets (heat-resistant up to 120°C); 1 inlet valve + 1–2 outlet valves per compartment

Quick-Connect Fittings: Camlock type (food-grade stainless steel) – compatible with standard liquid food hoses; easy to assemble/disassemble (reduces loading time by 30%)

Loading/Unloading Ports:

Top Loading Port: 1–2 manholes (DN500) with safety locks – for manual inspection or emergency filling

Bottom Unloading Port: 1–2 ports (aligned with tank slope) – for gravity-assisted or pump-driven discharge

4. Axle & Suspension System

Axle Configuration:

Axle Type: Heavy-duty food-grade compatible axles (brand options: BPW, SAF-Holland, FUWA); rated load: 11,500–13,000 kg/axle

Brake System: Air disc brakes (standard) – with food-grade grease (no oil leakage risk); ABS (Anti-lock Braking System) + EBS (Electronic Braking System) (meets ECE R13)

Suspension:

Primary: Airbag suspension (2–3 airbags/axle; brand: Continental, Firestone) – adjustable height (±50 mm) to stabilize tank during loading/unloading; reduces liquid sloshing (critical for preventing tank deformation)

Damping: Double-acting hydraulic shock absorbers (1/axle) – minimizes vibration during transport (protects sensitive liquids like fermented milk)

Tires:

Size: 12R22.5 (radial tires; 16PR load rating); tread pattern: rib-type (low rolling resistance for long-haul); tire pressure monitoring system (TPMS) optional

5. Safety & Compliance

Safety Devices:

Liquid Level Sensor: Ultrasonic or float-type (with digital display in tractor cab) – alerts when tank is 95% full (prevents overflow)

Emergency Shut-off Valve: Installed on main discharge line – manually/automatically closes if leakage is detected

Pressure Relief Valve: 1–2 units (set pressure: 0.1–0.2 MPa) – releases excess pressure from tank (e.g., due to temperature changes)

Hygienic Compliance:

Global Standards: FDA (U.S.), EU 10/2011 (Europe), GB 4806.9 (China) – all materials in contact with liquid food meet food safety requirements

Testing Certifications: Tank pressure test (0.3 MPa, 30 minutes); leak test (using water or compressed air); bacterial detection test (post-cleaning, total colonies ≤ 10 CFU/mL)

Transport Safety:

Side/Rear Protection: Steel guards (food-grade paint); rear bumper with reflective strips and LED warning lights (IP67 waterproof)

Stability Enhancement: Anti-sloshing baffles (3–5 internal baffles in tank) – reduces liquid surge during cornering/braking (lowers rollover risk by 25%)

6. Operational Accessories

Temperature Control (Optional):

Heating Jacket: For viscous liquids (e.g., chocolate syrup, palm oil) – uses hot water or electric heating (temperature range: 30–80°C; adjustable via thermostat)

Insulation Layer: Polyurethane foam (50–80 mm thickness) – maintains liquid temperature (e.g., keeps milk at 2–6°C for 8–12 hours without refrigeration)

Utility Features:

Cleaning Water Tank: 200–500 L (mounted on frame) – supplies water for manual cleaning of valves/fittings

Toolbox: Lockable stainless steel box – stores sanitary hoses, gaskets, and cleaning tools (prevents contamination)

GPS Tracker: Optional (integrated with fleet management system) – monitors location, speed, and tank fill level

Product Introduction

This 3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System is a professional solution tailored for the safe, hygienic transport of liquid food-including fresh milk, edible oil, concentrated juice, and syrup. Its core advantages lie in the food-grade 304 stainless steel tank (316L optional for acidic liquids), integrated CIP (Clean-in-Place) cleaning system, and anti-sloshing design-ensuring zero contamination, easy maintenance, and compliance with global food safety standards (FDA, EU 10/2011, China GB 4806.9). With a 40m³ capacity and 3-axle stable configuration, it meets inter-regional long-haul needs for dairy factories, edible oil producers, and beverage plants, balancing transport efficiency and product quality preservation.

Product Content Introduction

3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System features a hygienic, durable tank design optimized for liquid food safety. The tank is constructed from 5mm-thick food-grade 304 stainless steel (316L available for acidic juices), with an inner surface polished to Ra ≤ 0.8μm-eliminating dead corners and preventing liquid residue or bacterial growth. Its 40m³ capacity (tank dimensions: 9.5m L × 2.0m D) can be customized into 1–2 separate compartments, allowing simultaneous transport of two liquid types (e.g., milk and cream) without cross-contamination. The tank also adopts a 2° full-bottom slope + sanitary DN40 drain valve, ensuring complete discharge with no residual liquid-critical for avoiding flavor mixing between batches.

3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System is equipped with an efficient CIP cleaning system to simplify post-transport maintenance. It includes 4 DN65 CIP inlet/outlet ports (2 on tank top, 2 on bottom) compatible with high-pressure (0.8MPa) hot water (70°C) or food-grade cleaning agents (e.g., neutral detergent). The system completes a full cleaning cycle (rinse → clean → rinse → sanitize) in 45 minutes, removing 99.9% of residues-no need for manual tank entry, reducing labor and contamination risks. A 0.22μm air filter on the tank vent prevents dust or microbes from entering during cleaning or transport, maintaining internal hygiene.

3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System integrates a high-performance loading/unloading system for efficiency. It uses a food-grade sanitary centrifugal pump (304 stainless steel body, mechanical seal with food-grade fluororubber) with a flow rate of 80m³/h-filling the 40m³ tank in 30 minutes and emptying it in 25 minutes. The system includes 2 sanitary butterfly valves (DN100, EPDM gaskets heat-resistant to 120°C) and camlock quick-connect fittings-enabling tool-free connection to factory pipelines, reducing loading/unloading time by 25% vs. standard threaded connections. A PTO (Power Take-Off) from the tractor powers the pump, with an optional independent diesel generator for off-grid use at remote farms or small factories.

3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System boasts a stable 3-axle and suspension setup for safe long-haul transport. It adopts 3 BPW heavy-duty axles (each rated 13,000kg) with air disc brakes-equipped with food-grade grease to avoid oil leakage that could contaminate liquid food. The airbag suspension (2 airbags/axle, Continental brand) adjusts height ±50mm to align with factory loading docks, while 4 internal anti-sloshing baffles reduce liquid surge during cornering or braking-lowering rollover risk by 30% and preventing tank deformation from uneven pressure. 12R22.5 radial tires (16PR load rating) with rib-type tread ensure low rolling resistance, cutting fuel consumption by 5–7% for long-distance trips.

3-Axle 40m³ Food-Grade Stainless Steel Liquid Food Transport Semi-trailer with CIP Cleaning System prioritizes safety, compliance, and customization. It includes an ultrasonic liquid level sensor (with cab digital display) that alerts when the tank is 95% full (preventing overflow) and an emergency shut-off valve on the discharge line (manual/auto activation for leakage). For temperature-sensitive liquids, an optional 70mm polyurethane insulation layer maintains milk at 2–6°C for 10 hours, while a heating jacket (30–80°C adjustable) suits viscous oils like palm oil. It holds CE (Europe), DOT (North America), and CCC (China) certifications, plus FDA food contact material approval. Customization options include a 500L cleaning water tank, stainless steel toolbox, and GPS tracker for fleet management.

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