Heavy Duty Industrial Lifting Systems
Severe-Duty Industrial Engineering

Heavy-Duty Double Girder Process Cranes (10T–200T)

Engineered for 24/7 continuous fatigue duty cycles, steel fabrication, precast flipping, and precision industrial handling.

10T - 200T
Lifting Capacity Range
Up to 45.0m
Custom Span Reach
FEM 3m / M8
Heavy Fatigue Duty Rating
25 Days
Rapid Factory Delivery

1. Why Process Cranes Outperform Standard Overhead Cranes

Standard Class C/D bridge cranes are built for intermittent maintenance or light warehouse lifting (10 to 15 lifts per day). When deployed in steel fabrication facilities, pipe mills, precast concrete plants, or continuous foundries, standard cranes experience premature wheel bearing degradation, thermal motor tripping, and structural fatigue cracks within 12 to 18 months.

SEN Crane Process Cranes are structurally calculated for infinite fatigue life under high cyclic load spectra. Utilizing high-tensile Q355B/Q355D structural steel box girders, CNC underwater plasma arc cutting, full-penetration submerged arc welding (SAW), and 100% radiographic weld testing, our process cranes eliminate downtime and ensure round-the-clock throughput.

2. Specialized Process Crane Series & Engineering Features

Series SEN-PC

Precast Girder & In-Air Flipping Crane

  • 180° In-Air Girder Turning: Dual synchronized winches allow smooth turning without dynamic shock.
  • 0.1 mm Micro-Inching: Schneider frequency inverters provide ultra-smooth demolding to prevent concrete corner fractures.
  • IP65 Steam & Cement Protection: Specialized motor seals and epoxy marine coatings resist aggressive steam curing and airborne dust.
  • Synchronized Tandem Control: Wireless remote controls both hoists or two independent cranes concurrently.
Series SEN-SF

Heavy Structural Steel & Box Column Crane

  • Continuous 24/7 Heavy Cyclic Duty: Rated FEM 3m/4m (ISO M8) with 100% hardened gears.
  • Electronic Anti-Sway Control: Restricts load sway to <0.5 degrees, accelerating long truss jig alignment.
  • Dual-Trolley Tandem Hook: Accommodates extra-long steel pipes, I-beams, and pre-assembled space modules.
  • Forged 42CrMo Steel Wheels: Surface quenched to HB 300-380 for extended runway rail longevity.

3. Technical Specifications Comparison Matrix

Technical Parameters SEN-PC (Precast Process) SEN-SF (Heavy Steel Fabricator) SEN-HD (Foundry & Scrap Yard)
Safe Working Load (SWL) 10T + 10T to 50T + 50T 20T to 150T 30T to 200T
Span Reach (S) 10.5m – 42.5m 12.0m – 45.0m 10.5m – 38.0m
Lifting Height (H) 6m – 30m 6m – 35m 8m – 32m
Working Class (FEM / ISO) FEM 2m/3m (ISO M6/M7) FEM 3m/4m (ISO M7/M8) FEM 4m/5m (ISO M8)
Hoisting Speed (VFD) 0.8 – 8.0 m/min Stepless 0.5 – 12.0 m/min Stepless 1.0 – 15.0 m/min Stepless
Crane Travel Speed 2.0 – 40.0 m/min VFD 3.0 – 60.0 m/min VFD 3.0 – 50.0 m/min VFD
Duty Ambient Temperature -20°C to +55°C (Desert Spec) -25°C to +50°C Up to +70°C (Heat Resistant)

0% Tariff & Immediate Capex Reduction: Form E Certificate of Origin

For clients in ASEAN nations (Malaysia, Indonesia, Thailand, Vietnam, Philippines), SEN Crane provides official ASEAN-China Form E Certificates, exempting import tariffs (0% duty vs 5%~10% standard rates), delivering immediate capital cost savings.

Request a Customized Process Crane Proposal

Receive a complete engineering design package including wheel-load data, runway rail layout, 2D/3D CAD models, and factory-direct pricing within 24 hours.

4. Frequently Asked Questions (FAQ)

Q: How does SEN Crane guarantee structural safety for high fatigue environments?
Every process crane undergoes finite element analysis (FEA) modeling under dynamic cyclic shock loads. All main girder welds undergo ultrasonic and radiographic testing. Before dispatch, we conduct a 125% static and 110% dynamic load test witnessed by SGS/BV if requested.
Q: What is the lead time for custom engineered process cranes?
Standard process cranes (10T to 50T) require approximately 25 to 35 business days for precision fabrication, blast cleaning, epoxy coating, and electrical pre-assembly.
Q: Do you supply complete runway beams and conductor systems?
Yes. We provide complete turnkey runway systems, including H-beam runways, heavy-duty DIN/QU crane rails with welded clips and rubber elastomeric pads, and enclosed multipole copper busbar conductor bars.
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