Grid Coupling

Steelflex Grid Couplings – High-Torque Performance with Maintenance-Free Reliability

JM Steelflex Grid Couplings uniquely combine the cost-effectiveness of grid couplings with the torsional flexibility of elastomeric couplings, delivering superior power transmission for heavy-duty applications. Our patented tempered alloy steel grid design provides exceptional torque capacity while maintaining vibration damping properties.

Key Features & Benefits

✔ Unmatched Torque Capacity

25 standardized sizes handling up to 932,000 Nm torque

Accommodates shaft diameters to 508mm

✔ Maintenance-Free Operation

5-year lubrication warranty – No regreasing required

Sealed design prevents lubricant contamination

✔ Advanced Grid Technology

Tapered trapezoidal grid profile for optimal stress distribution

Shot-peened surface treatment enhances fatigue resistance by 40%

Through-hardened alloy steel construction

✔ Superior Misalignment Capability

Compensates for:

±1.5° angular misalignment

±5mm parallel offset

0.5mm axial movement

✔ Application-Specific Advantages

30% longer service life vs. standard grid couplings

15% higher torque density than comparable designs

Interchangeable with ISO 14094-compliant couplings

Technical Specifications

Materials:

Grid: alloy steel, hardness HRC 45-50

Hubs: 45 steel

Temperature Range: -30°C to +150°C

Max Speed: 5,000 RPM (size-dependent)

Efficiency: 99.5% at rated load

Why Choose Steelflex?

✅ Proven Reliability – 10,000+ units installed in mining and power generation

✅ Easy Installation – 50% faster mounting than keyed couplings

✅ Vibration Reduction – 60% lower peak vibrations than gear couplings

✅ Cost Effective – 3-year ROI through reduced downtime

Typical Applications

Heavy Industry: Rolling mills, crushers, extruders

Energy: Turbine drives, large pumps

Marine: Main propulsion systems

Mining: Conveyor drives, ball mills