▌ Product Description
The Meatech MT-VMT vacuum meat tumbler compresses traditional static soaking marination from 24–48 hours to a 2–4 hour in-line cycle by applying controlled mechanical tumbling under negative pressure — the combination of physical tumbling action and vacuum-induced pressure differential that no soaking method can replicate. The rotating drum lifts and drops meat pieces repeatedly, while vacuum at -0.06 to -0.08 MPa removes air from intramuscular spaces; as vacuum is maintained, the pressure differential draws marinade inward through the capillary structure of the muscle fibre on each rest cycle. The result is marinade distribution that penetrates to the geometric centre of even thick cuts — achieving a 10–20% cook yield improvement versus soaking-only marinated product in consistent, documented production conditions.
The GR standard series covers nine drum sizes from 100 kg/batch (400L drum) to 2,000 kg/batch (4,800L drum), with motor power scaling from 1.85 kW to 11.5 kW to match the drum size. Smaller models (MT-VMT-100 to MT-VMT-300) use fixed or optional VFD speed control; models from MT-VMT-500 upward use variable-frequency drive as standard — allowing drum rotation speed to be tuned to the density and fragility of the product being tumbled without mechanical transmission changes. All models operate at standard floor-level installation, with loading by manual lift, forklift, or conveyor depending on drum size and facility layout.
The MT-VMT is designed to be paired with the MT-BI brine injector in Meatech's marinating line configuration: the injector distributes marinade rapidly through the full cross-section of the cut in a single pass; the tumbler then works the injected marinade into the muscle fibre structure and activates myofibrillar proteins over the 2–4 hour cycle. This injection + tumbling sequence consistently outperforms tumbling alone on thick cuts above 20 mm, where surface penetration during tumbling is insufficient to reach the centre without the prior injection step.
▌ Technical Specifications — GR Standard Series (All 9 Models)
Parameter | MT-VMT-100 (GR-400) | MT-VMT-200 (GR-600) | MT-VMT-300 (GR-800) | MT-VMT-500 (GR-1000) | MT-VMT-600 (GR-1500) | MT-VMT-800 (GR-2000) | MT-VMT-1000 (GR-2800) | MT-VMT-1500 (GR-3600) |
Drum Volume (L) | ~400 | ~600 | ~800 | ~1,000 | ~1,500 | ~2,000 | ~2,800 | ~3,600 |
Batch Capacity (kg) | 100 | 200 | 300 | 500 | 600 | 800 | 1,000 | 1,500 |
Power (kW) | 1.85 | 2.25 | 2.25 | 2.95 | 6.85 | 7.85 | 9.35 | 11.35 |
Vacuum Degree (MPa) | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 | -0.06~-0.08 |
Speed Control | Fixed / VFD | Fixed / VFD | Fixed / VFD | Fixed / VFD | VFD | VFD | VFD | VFD |
Net Weight (kg) | ~300 | ~330 | ~430 | ~480 | ~630 | ~960 | ~1,160 | ~1,500 |
Dimensions (L×W×H mm) | 1,280×820 ×1,380 | 1,330×1,020 ×1,575 | 1,490×1,020 ×1,575 | 1,760×1,020 ×1,575 | 2,000×1,120 ×1,680 | 2,390×1,230 ×1,840 | 2,560×1,430 ×2,100 | 2,830×1,540 ×2,220 |
Power Supply | 380V / 50Hz for all models |
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Installation | Standard floor-level — manual, forklift or conveyor loading |
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▌ Model Selection Guide
Capacity Requirement | Recommended Model | Drum Volume | Typical Application |
Up to 100 kg/batch | MT-VMT-100 | ~400 L | Central kitchen, artisan meat processing, pilot production |
100–300 kg/batch | MT-VMT-200 / 300 | ~600–800 L | Small food factory, restaurant supply chain, specialty deli |
300–600 kg/batch | MT-VMT-500 / 600 | ~1,000–1,500 L | Medium food factory, kebab and marinated meat lines |
600–1,500 kg/batch | MT-VMT-800 / 1000 / 1500 | ~2,000–3,600 L | Industrial marinating lines, large ham and bacon operations |
Up to 2,000 kg/batch | MT-VMT-2000 (GR-4800) | ~4,800 L | High-volume industrial marinating lines, continuous shift production |
▌ Solution Applications — Line Position
Meatech Solution | Role in Line |
Marinated Meat Ready-to-Cook | Second marination stage after MT-BI brine injection. The 2–4 hour tumbling cycle replaces 24–48 hours of static soaking — compressing marinade penetration time to an in-line workflow that fits within a standard production shift. MT-VMT-300 to MT-VMT-1000 recommended depending on line throughput. |
Smoked & Cooked Meat Line | Curing brine tumbling for ham and bacon raw material, 4–8 hours after injection. Uniform brine redistribution from tumbling produces the consistent pink curing colour and water retention that are the primary quality indicators in finished smoked products. MT-VMT-500 to MT-VMT-1500 for typical industrial smokehouse batch sizes. |
Kebab & Shawarma Line | 2–4 hour tumbling of marinated bone-in lamb shoulder and chicken thighs before skewering. Tumbling improves marinade uniformity in bone-in formats that injection alone cannot fully penetrate. MT-VMT-100 to MT-VMT-500 depending on skewering line throughput. |
Fresh Meat Cutting & Packing | Short-cycle tenderising tumble (30–60 minutes at low vacuum) for premium beef cuts (ribeye, striploin) before vacuum skin packaging. Adds perceptible tenderness to premium fresh meat retail products without a flavour marination step. MT-VMT-100 to MT-VMT-300 for this application. |
▌ FAQ
Q: What is the correct tumbling programme for marinated ready-to-cook chicken or pork ribs?
A: A standard programme for bone-in chicken thighs or pork ribs: 20 minutes tumbling / 10 minutes rest, repeated for 2–4 hours total cycle time, at -0.07 to -0.08 MPa vacuum. The rest intervals allow marinade absorbed during tumbling to redistribute through the tissue during the pressure release phase — the cycle between tumbling and rest is more effective than continuous tumbling at the same total duration. Total cycle time should increase for thicker cuts: above 40 mm, extend to 4–6 hours; below 20 mm, 1.5–2 hours is typically sufficient.
Q: Does the tumbler need to be paired with a brine injector, or can it work alone?
A: Tumbling alone is effective for thin cuts below 15 mm and small pieces where marinade can penetrate from the surface during the tumbling cycle — thin pork belly slices, chicken breast fillet strips, diced meat. For thick cuts above 20 mm, bone-in products, and whole muscle pieces where the marinade needs to reach the centre, pairing with the MT-BI brine injector is strongly recommended. Injection distributes marinade to the centre of the cut in a single pass; tumbling then works it into the muscle fibre structure. The combination consistently achieves better yield and deeper flavour penetration than tumbling alone on thick formats.
Q: What is the difference between fixed speed and VFD (variable frequency) models?
A: Fixed-speed models (MT-VMT-100 to MT-VMT-300) rotate the drum at a single set speed — suitable for the majority of standard marinating applications where the product density and fragility do not require speed adjustment. VFD (variable-frequency drive) models (MT-VMT-500 and above) allow the drum rotation speed to be adjusted from the control panel — important for larger batch sizes where very fragile products (fish, shellfish, cooked meat being re-marinated) need slower speed to prevent surface damage, and robust products (thick beef or pork cuts) can be tumbled at higher speed for faster marinade distribution. All models above MT-VMT-500 include VFD as standard.
Q: How does the MT-VMT compare with a hydraulic lift tumbler (MT-VMT-H)?
A: The standard MT-VMT series is installed at floor level and loaded by manual lift, forklift, or conveyor — the drum opening is at a fixed height determined by the drum diameter. For drum sizes up to approximately 800L–1,000L, this is practical with a standard lift height of 1.0–1.5 m. For drum sizes of 1,000L and above, the loading height increases to 1.5–2.2 m — at this height, a permanent loading platform or forklift is required in the standard configuration. If your facility cannot accommodate this loading arrangement for large drums, the MT-VMT-H hydraulic lift series (separate product page) provides an alternative where the drum is lifted mechanically to a convenient loading height and lowered for operation.
