Grandvolt industrial generating sets and power equipment

Grandvolt power generating machinery (ESPA Group): heavy industrial DGV diesel generator sets, GV gasoline units, and GVB gas power plants.

Industrial diesel generator sets DGV series

Grandvolt DGV industrial diesel generating sets are engineered for continuous prime power and standby emergency backup at manufacturing facilities, utilities, and infrastructure sites. Units are mounted on heavy steel base frames in open or soundproof enclosure configurations.

Three-phase diesel generator sets rated from 33 to 440 kVA for severe industrial duties
Acoustic sound-attenuating enclosures with fire-resistant lining and lockable doors
Heavy duty fabricated steel skid base equipped with forklift pocket channels
Factory integration for automatic transfer switches and multi-unit synchronization

Portable gasoline generators GV series

Grandvolt GV series portable gasoline generating sets are built according to technical standards using four-stroke RAS engines. Units feature extended fuel reservoirs up to 25 liters, analog voltmeters, and integrated thermal circuit breakers protecting against overloads.

Single phase models GV 2500 M, GV 8500 M ES, and GV 12000 M ES up to 8.5 kVA capacity
Four-stroke overhead valve RAS petrol engines delivering from 6.5 to 20 horsepower
Electric push-button starter mechanisms and smooth-pull recoil manual starting ropes
Autonomous continuous electrical generation up to 10 hours at 75 percent loading

Professional gas-fueled generators GVB series

Grandvolt GVB series gas generating sets utilize robust Vanguard power units optimized for pipeline natural gas, liquefied propane-butane blends, and biogas fuel. Low exhaust particulates substantially reduce internal engine wear and enhance overall operational life.

Output capacity rating envelope spanning 6 to 12.5 kVA for residential and work sites
Built-in fuel pressure sensor functioning under ultra-low line pressure down to 0.8 kPa
Dual-fuel gas mixers supporting seamless transition between natural gas and propane
Clean combustion profile with zero perceptible odor beyond two meters from exhaust

Synchronous alternators and automatic voltage regulators

Grandvolt synchronous alternators and automatic voltage regulators deliver accurate electrical parameter stabilization. The solid-state AVR circuit eliminates transient voltage dips during inductive inrush currents and sudden motor start-up switching cycles.

Brushless and brush-type synchronous alternators with copper Class H insulation
Automatic electronic voltage regulator modules maintaining stability within 1 percent
Rotating diode bridge assemblies, surge suppressors, and transient filters
Rotor damper windings minimizing waveform distortion across diverse power loads

Control panels, digital monitors, and MGV transfer switches

Grandvolt microprocessor control panels and MGV automatic transfer switch cabinets maintain constant supervision over utility grid parameters. The digital unit triggers rapid engine cranking upon main power outages and manages contactor bus transfer interlocking.

Digital generator controllers featuring LCD display and event diagnostic log
Safety sensors for lube oil pressure, high engine temperature, and low fuel
Automatic transfer switch panels with mechanical and electrical interlocking
Integrated RS-232 serial interfaces for remote monitoring and supervisory access

Maintenance kits, filters, and ignition components

Scheduled servicing of Grandvolt generating units requires specialized filtration elements and ignition hardware. Timely replacement of air, oil, and fuel filters prevents abrasive cylinder wear, keeps combustion chambers clean, and preserves factory output ratings.

Air cleaner elements with molded polyurethane seals and microporous media
Spin-on full-flow oil filters fitted with bypass valves and anti-drainback valves
Industrial spark plugs, solid-state ignition coils, and magneto modules
Carburetor fuel diaphragms, gas regulator valves, and injection pump seals

Industrial power generating systems and Grandvolt engineering profile

Grandvolt represents an advanced engineering brand in autonomous electrical power generation, developed in technical affiliation with the Spanish engineering group ESPA Group and its regional division.

The equipment portfolio spans heavy-duty industrial diesel generating sets of the DGV series, portable gasoline generating sets of the GV line, gas-fueled electrical generator sets of the GVB series, dual-mode welding generators, and high-flow motor pump installations.

All generating machinery is engineered to withstand arduous continuous operating regimes across heavy manufacturing, infrastructure building sites, and utility applications. The modular layout allows direct access to the engine compartment, alternator, and control enclosure for routine maintenance.

Structural design of DGV diesel generator sets and sound-attenuated canopies

DGV series diesel generating sets covering power ratings from 33 to 440 kVA incorporate heavy-duty industrial diesel engines coupled with high-efficiency synchronous alternators.

The machinery is assembled upon a rigid structural steel skid base featuring dedicated forklift lifting pockets and crane rigging points.

To minimize environmental noise emissions in urban and industrial zones, the generating units are supplied in weather-resistant soundproof enclosures lined with non-combustible Class 1 acoustic insulation material and fitted with keyed locking access doors.

Internal layout engineering integrates vibration-dampening isolator mounts, an integrated residential exhaust silencer, and protective thermal guards for operator safety.

Portable gasoline generating sets of GV and GVB series with RAS and Vanguard motors

Portable gasoline generating sets of the Grandvolt GV series are manufactured in compliance with strict technical specifications utilizing four-stroke overhead-valve RAS power units.

The professional GVB series incorporates Vanguard power plants engineered by Briggs & Stratton, delivering extended operating life and pressurized lubrication.

Generating sets feature heavy-gauge steel fuel reservoirs holding up to 25 liters, allowing continuous electrical generation up to ten hours without refueling interruptions.

Built-in thermal overcurrent circuit breakers and analog dial voltmeters permit continuous monitoring of electrical loading while protecting wiring circuits from short-circuit damage and phase imbalance.

Gas-fueled generating sets of the GVB series for natural gas and propane operation

Grandvolt GVB series gas-fueled generating units delivering 6 to 12.5 kVA provide an environmentally conscious solution for prime and standby power generation at commercial facilities, workshops, and residential compounds.

The installations are adapted for operation with pipeline natural gas methane, liquefied petroleum gas propane-butane blends, and biological gas fuels. An integrated fuel pressure sensor enables steady engine operation even when gas utility supply pressure drops to 0.8 kPa.

Clean combustion ensures that cylinder valves and piston crowns remain free from carbon buildup, substantially extending internal component service intervals. Exhaust emissions produce zero noticeable odor beyond two meters.

Automatic voltage regulation systems AVR and heavy-duty synchronous alternators

To maintain electrical frequency and output voltage amplitude under dynamic conditions, Grandvolt generating units utilize synchronous alternators with copper windings rated for Class H thermal insulation.

Electronic automatic voltage regulators continuously track terminal electrical parameters and dynamically adjust rotor excitation current, keeping output voltage variation within a narrow one percent margin.

Integrated damper windings and protective metal oxide varistor networks suppress harmonic distortion, safeguarding sensitive industrial electronics, PLCs, and computers from line transients.

The alternators exhibit substantial inductive overload tolerance during the starting of three-phase induction electric motors.

Digital microcomputer control panels and MGV automatic transfer switches

Operational management of Grandvolt DGV diesel generating installations is performed by digital microprocessor controllers housed within protective steel electrical cabinets.

The control system continuously monitors oil pressure transmitters, engine cylinder temperature sensors, and fuel reservoir float levels, executing rapid safety shutdowns upon critical limit transgressions.

MGV series transfer switch enclosures support complete automation: upon utility power outages, the controller executes automatic starting sequences and transfers bus contactors within seconds.

Integrated RS-232 serial communication ports allow transmission of diagnostic status telemetry to remote plant monitoring desks.

Grandvolt 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 Grandvolt and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.