Transfluid / Transfluid S.p.A. industrial transmissions and fluid couplings

Industrial and marine fluid couplings, power shift transmissions, pump drives, and fail-safe brakes from Transfluid / Transfluid S.p.A. deliver dependable mechanical torque transmission across heavy plants.

Constant fill fluid couplings series K and KX

Hydrodynamic fluid couplings from Transfluid in the K, KX, and KFBD lines deliver shockless acceleration for heavy conveyors, ball mills, and primary crushers. Working oil transmits torque without friction wear between impellers, shielding electric motors from thermal and peak load spikes.

Lightweight aluminum alloy housing design with efficient convective heat dissipation
Substantial limitation of peak starting amperage and isolation of drive shocks
Configurations with single or extended delay chambers for gradual torque transfer
Engineering identification of replacement fusible plugs and seals via nameplate

Variable fill fluid couplings series KSL and KSD

Variable fill fluid couplings in the Transfluid KSL and KSD lines provide regulated motor starting and stepless speed adjustment on high-power machinery. An integrated oil circuit varies fluid volume in the impeller chamber, enabling precise torque throttling and shaft velocity modulation.

Continuous rotational speed regulation for centrifugal slurry pumps and exhaust fans
Smooth equipment acceleration under full nominal operational technological loads
Self-contained lubrication circuit featuring circulation pump and external heat exchanger
Supply of replacement scoop tube assemblies, control valves, and thermal sensors

Stelladrive MPD modular multiple pump drives

Modular multiple pump drives in the Transfluid Stelladrive MPD range connect directly to flywheel housings conforming to SAE standards. The splitter unit drives up to four hydraulic pumps simultaneously across mobile machinery, specialized drilling rigs, and marine propulsion auxiliary systems.

Standardized direct flange interface for diesel engine flywheel housings SAE 1 to 4
High-strength spur gear train with precision surface hardening on all gear teeth
Integrated resilient flexible coupling to dampen internal torsional vibrations
Selection of adapter flange kits for SAE A, B, C, and D hydraulic pumps by code

Hydraulic clutches and power take-offs series HFO and HFR

Multi-plate hydraulic clutches from Transfluid in the HFO and HFR series provide dependable power disconnect between diesel engines and driven equipment. Sintered friction packs are actuated by hydraulic pressure, eliminating manual gap adjustments as friction materials experience operational wear.

Hydraulic or pneumatic remote control actuation for automated equipment engagement
High radial load capacity designed for heavy multi-groove pulley and cardan mountings
Zero manual adjustment required due to self-compensating internal piston actuation
Replacement sintered friction discs, sealing rings, and bearings identified by tag

Industrial fail-safe brakes and disc braking systems SL

Spring-loaded disc brakes in the Transfluid SL range and BM drum brake units operate on fail-safe principles where braking torque is engaged mechanically by coil springs upon hydraulic pressure relief. The systems deliver fast emergency deceleration for cranes, conveyors, and mining winches.

Fail-safe mechanical clamp engagement when electric or hydraulic power supply drops
Brake discs protected by hot-dip galvanizing for maritime harbors and corrosive plants
Dimensional layout engineered in strict compliance with DIN 15435 standards
Replacement friction pads, hydraulic thrusters, and calibrated spring packs by code

Resilient RBD couplings and Revermatic Power Shift gearboxes

Resilient flexible couplings in the Transfluid RBD and BM-B3M ranges accommodate angular and radial shaft misalignments, smoothing peak torsional vibration from combustion engines. Paired with Revermatic Power Shift gearboxes, they enable rapid directional reversing on industrial machinery.

Elastomeric rubber-fabric toothed blocks with exceptional vibration dampening capacity
Direct connection to internal combustion engine flywheels using standardized SAE rings
Revermatic directional gearboxes featuring integrated hydraulic clutch packs
Replacement elastomer elements, drive rings, and friction packs matched to equipment

Hydrodynamic torque transmission principles in K and KX fluid couplings

Hydrodynamic fluid couplings in the Transfluid K, KX, and KFBD ranges transmit mechanical torque through the kinetic circulation of oil between pump and turbine impellers within a sealed housing.

Elimination of direct mechanical contact prevents torsional shock propagation and guarantees smooth startup across heavy conveyor belts, ball mills, and primary crushing equipment. Drive motors accelerate under minimal resistance before picking up heavy operational loads.

Aluminum alloy housings feature deep cooling fins that ensure continuous thermal dissipation into the atmosphere during prolonged industrial operation.

Stepless speed modulation and controlled starting with KSL and KSD couplings

Variable fill fluid couplings in the Transfluid KSL and KSD model ranges combine the functions of a dependable soft-starter and a hydrodynamic variable speed drive. During operation, a motor-driven scoop tube continuously regulates the volume of oil circulating in the impeller cavity.

This mechanism delivers stepless output shaft velocity variation over a wide range without requiring costly high-voltage electronic frequency converters.

KSL units feature an independent lubrication system with an auxiliary pump, filter, and cooler to maintain thermal equilibrium under heavy duty cycles.

Architecture and multi-pump power takeoff of Stelladrive MPD splitter units

Modular multiple pump drives in the Transfluid Stelladrive MPD series provide direct connection to internal combustion engine flywheel housings conforming to SAE 1, 2, 3, and 4 specifications.

The splitter unit divides engine torque into multiple parallel paths, driving up to four hydraulic pumps simultaneously for primary machinery functions and steering loops. The input shaft incorporates an integrated resilient flexible coupling that attenuates crankshaft torsional harmonics.

Ground spur gear trains ensure smooth power transfer and high mechanical efficiency on mobile heavy rigs.

Hydraulic multi-plate clutches HFO and remote power take-off systems HFR

Multi-plate hydraulic clutches from Transfluid in the HFO, HFR, and TowerClutch product families enable smooth engagement and emergency disconnection of driven machines from combustion engines. Sintered metal-ceramic friction plate packs operate inside an oil reservoir.

Piston clamping force is supplied by internal hydraulic pressure via a rotary union, maintaining consistent torque capacity regardless of friction plate wear. Robust radial bearings accommodate high belt tension when driving multi-groove pulleys directly mounted on the clutch output shaft.

Fail-safe spring-loaded brakes SL and industrial drum braking units BM

Industrial braking systems in the Transfluid SL range are spring-applied fail-safe disc brakes engineered for harbor cranes, winches, and long-distance conveyors.

Braking force is generated mechanically by heavy-duty coil springs, while hydraulic pressure releases the caliper shoes during regular machine operation.

In the event of hydraulic pressure drop or electrical failure, the mechanism clamps the shaft immediately to prevent load dropping or conveyor rollback. Brakes conform to DIN 15435 dimensions and feature galvanizing protection for marine environments.

Resilient flexible couplings RBD and Revermatic Power Shift gearboxes

Highly flexible couplings in the Transfluid RBD family incorporate rubber-fabric toothed blocks installed directly between engine flywheels and driven machine shafts. The couplings accommodate angular and radial misalignments while isolating torsional vibration peaks from engine crankshafts.

For reversing operations, couplings integrate seamlessly with Revermatic Power Shift gearboxes. Featuring constant-mesh gears and multi-plate hydraulic clutch packs, Revermatic transmissions facilitate smooth directional changes on the fly without stopping the engine.

Transfluid / Transfluid S.p.A. and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Transfluid / Transfluid S.p.A. and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.