Built from passivated AISI 316L stainless steel with NSF H1 food-grade hydraulics, this 3000 kg dual-pantograph lift table prevents pitting corrosion and fluid contamination across cGMP washdown cleanrooms.
Rated Capacity: 3000 kg Safe Working Load (125% static proof-load tested to 3750 kg)
Envelope / Pit Dimensions: 3200 × 2400 × 550 mm (L × W × Collapsed Height)
Motion Profile: 1600 mm vertical stroke at 0.05 m/s (32-second full lift cycle)
Usable Deck Surface: 3000 × 2200 mm smooth plate with rounded sanitary edges
| Technical Parameter | Engineering Specification / Design Standard |
| Equipment Designation | Stainless Steel Hydraulic Scissor Lift Table |
| Scissor Architecture | Dual horizontal parallel pantograph scissor linkages |
| Rated Load Capacity | 3000 kg Safe Working Load (125% static proof test to 3750 kg) |
| Platform Deck Dimensions | 3000 mm (L) × 2200 mm (W) × 6 mm smooth plate |
| Closed Pit Footprint | 3200 mm (L) × 2400 mm (W) × 550 mm (D) |
| Vertical Motion Travel | 1600 mm stroke (collapsed height 550 mm, raised height 2150 mm) |
| Linear Travel Velocity | 0.05 m/s controlled descent and ascent rate (approx. 32 s cycle) |
| Scissor Structural Material | AISI 304 / EN 1.4301 stainless steel plate stock per ASTM A240 |
| Material Traceability | Mill test certificates supplied per EN 10204 Type 3.1 |
| Weld Finish Standard | Continuous welds ground to Ra ≤0.8 µm with R≥3 mm radiused corners |
| Pivot Pin Assemblies | Precision-machined AISI 316 stainless pins with self-lubricating PTFE bushings |
| Hydraulic Cylinder Build | Solid 304 barrels with hard chrome-plated 17-4PH rods and Viton seals |
| Hydraulic Working Fluid | NSF H1 registered non-toxic food-grade synthetic fluid |
| Power Unit Configuration | Remote or integral IP66 stainless washdown power pack enclosure |
| Motor Drive Output | 5.5 kW 400V 50Hz severe-duty washdown stainless motor (IP66, S3-40%) |
| Perimeter Protection | 4-sided electric sensing safety contact trip bars |
| Governing Design Code | European Standard EN 1570-1 safety requirements for lifting tables |
CNC waterjet profile cutting on solid plate stock forms AISI 304 (EN 1.4301) stainless steel scissor arms without heat-affected zone grain growth or edge hardening. Dual parallel pantograph legs counteract torsional deflection during off-center pallet positioning. Certified ASTM A240 plate stock paired with EN 10204 Type 3.1 inspection certificates verifies tensile yield strength past 205 MPa, sustaining rated 3000 kg operational payloads.
TIG welding with pure argon back-purging joins the 6 mm top plate to perimeter frames, sealing internal seams against washdown moisture ingress. Weld beads ground flush with internal corner radii (R≥3 mm) to an electropolished Ra 0.8 µm profile eliminate biofilm accumulation and survive caustic CIP washdowns. Formed channel stiffeners welded beneath the deck maintain bed deflection below L/500 under concentrated pallet truck wheel traffic.
Actuation cylinders feature solid 304 stainless steel barrels paired with induction-hardened, chrome-plated 17-4PH stainless steel piston rods to prevent pitting from chlorine washdown chemicals. Dual Viton (FKM) rod scrapers seal against ambient moisture penetration. The hydraulic circuit runs NSF H1 registered food-grade synthetic oil through Teflon-lined, stainless wire-braided hoses. Manifold-mounted load-holding check valves bolt directly to cylinder ports, locking elevation position upon line pressure loss.
Continuous laser seam welding seals the 304 stainless steel electrical console. A one-piece cast silicone perimeter door gasket provides IP66 ingress protection against direct water jets. Solid-state safety logic circuits monitor four-sided mechanical perimeter trip bars, cutting hydraulic downward flow within 18 ms of contact. Output signals integrate with cleanroom airlock and automated conveyor PLCs to inhibit line indexing until platform level sensors register zero height drift.
Bioprocess facilities transfer heavy sterile buffer vessels between formulation suites and autoclave wash stations. This platform operates inside ISO 14644-1 Class 5 to Class 7 cleanrooms. The passivated 304 stainless structure endures repeated cycles of Vaporized Hydrogen Peroxide (VHP at 1000 ppm) and hot 2% to 4% sodium hydroxide (NaOH) CIP rinses.
Rigid base geometry allows shallow 550 mm floor pit installation or low-profile surface ramp mounting on polyurethane-coated floors. Dual hydraulic cylinders maintain stable deck elevation within ±2.0 mm, even when vessel center-of-gravity shifts past 30% of platform breadth. Rated for ambient thermal ranges from +5°C to +40°C.
Radiochemical suites position dense, lead-shielded transfer casks over this table for remote glovebox manipulation. High-point loading from concentrated cask footprints stresses standard decking; this platform pairs a reinforced 6 mm sub-structure with continuous full-penetration welds to prevent top-plate dishing under local contact pressures.
The unpainted, electropolished stainless framework eliminates particle catch points, resisting harsh acid decontamination washes including nitric and oxalic acid solutions. The lift structure sustains static proof loads up to 125% of rated capacity on anchor-bolted floors. To prevent radiation-induced oil degradation inside gamma radiation fields, the chassis supports remote through-wall hydraulic connections, placing the power pack outside hot cell containment. Rated for thermal bounds of 0°C to +50°C.
For this heavy-duty series, we can engineer load capacities up to [300] tons, with platform dimensions and lifting heights customized to your operational envelope. Requirements exceeding our standard engineering matrix will undergo a Finite Element Analysis (FEA) by our engineering team to ensure structural viability before proposing a solution.
To initiate the engineering proposal, please provide the following baseline data:
Rated Load Capacity
Maximum Lifting Height & Closed Height
Platform Dimensions (L x W)
Duty Cycle (e.g., operational cycles per hour/day)
Environmental Conditions (e.g., indoor/outdoor, washdown, explosion-proof)
Pit depth or overhead clearance constraints
Yes. The control systems can be equipped with standard communication protocols (e.g., Profinet, Modbus, Ethernet/IP) utilizing [Siemens / Allen-Bradley / Omron] PLCs. This ensures seamless I/O signal synchronization with upstream/downstream conveyors, AGV/AMR units, and your central control room.
Every custom unit undergoes a mandatory Factory Acceptance Test (FAT) prior to dispatch. This includes continuous operational testing at 100% rated load, static overload testing at [120% / 125%] capacity, and the physical triggering of all mechanical anti-fall and hydraulic safety interlocks. FAT documentation and video proof are included in your engineering package.
Upon final approval of the General Arrangement (GA) drawings, the manufacturing lead time is typically 4 to 8 weeks. Oversized structural components are engineered with a modular design to fit into standard shipping containers (20FT/40HQ). On-site assembly utilizes pre-engineered bolted flange connections and heavy-duty aviation plugs, strictly eliminating the need for field welding.
We provide a standard [12/24]-month warranty covering the structural frame and primary hydraulic/electrical components. To minimize operational downtime, a comprehensive set of standard consumables (e.g., cylinder seal kits, travel switches, relays) is shipped alongside your equipment. During the warranty period, replacement parts for non-human-induced failures are dispatched via priority air freight (DHL/FedEx) within 48 hours.
Beyond the warranty, we guarantee lifetime engineering support. Your custom equipment's CAD drawings, electrical schematics, and BOM (Bill of Materials) are permanently archived in our system. This ensures you receive uninterrupted remote troubleshooting, maintenance guidance, and exact spare parts matching for the entire lifecycle of the equipment.
Gradin Machinery is a leading manufacturer specializing in aerial work platforms and hydraulic lifting solutions. With ISO & CE certifications, we provide safe, reliable, and customized equipment for global industrial needs
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