15P8G4350-50HP-V | Electric Pressure Washer | 15.8 GPM 4350 PSI 50 HP

15P8G4350-50HP-V Industrial Electric Pressure Washer | 15.8 GPM | Max Pressure 4350 PSI | 50 HP VFD

The 15P8G4350-50HP-V is a high-power industrial electric pressure
washer delivering a maximum pressure of 4350 PSI at 15.8
GPM, powered by a 50 HP electric motor paired with an
Annovi Reverberi RTD-series solid-shaft triplex pump and an integrated Variable
Frequency Drive (VFD). The 15P8G4350-50HP-V is built for
plants and contractors that need serious cutting power with programmable control and
high rinse volume — 4350 PSI max pressure breaks scale, oxides, baked-on residues,
and heavy industrial soils that mid-pressure systems cannot reliably remove, while
15.8 GPM clears pads and bays in fewer passes to maximize area cleaned per hour.

At 4350 PSI max pressure, the 15P8G4350-50HP-V delivers confident
mechanical bite on the most demanding industrial cleaning tasks without the cost or
operational complexity of ultra-high-pressure equipment. The integrated VFD adds
soft start, adjustable accel/decel ramps, and stored pressure and flow profiles so
crews select Wash, Prep, or Rinse at the keypad for repeatable results across shifts
— reducing unloader chatter, lance kick, and drivetrain shock at every startup and
shutdown cycle. Fully electric and zero-emission, the 15P8G4350-50HP-V
is designed for enclosed industrial bays, production cells, and indoor facilities
where engine platforms are not practical or permitted.

15P8G4350-50HP-V Performance Specifications

Max Pressure, Flow & Power at a Glance

• Max Pressure: 4350 PSI — the rated maximum working pressure
  of the 15P8G4350-50HP-V system; serious cutting power for scale, oxides,
  baked residues, and heavy industrial soils
• Max Flow Rate: 15.8 GPM — high-volume output for
  efficient soil carry-off and fast area clearance on large industrial
  pads, bays, and floor surfaces
• Motor: 50 HP — sized to drive the RTD pump at full
  15.8 GPM output at 4350 PSI max pressure with margin for hose runs,
  regulation, and multi-tool configurations
• Drive: Variable Frequency Drive (VFD) integrated —
  programmable ramps, stored profiles, soft starts, and process
  consistency across shifts and operators
• Pump: Annovi Reverberi RTD-series solid-shaft triplex
  plunger pump — rigid coupling configuration for precise alignment and
  reliable high-pressure power transfer
• Water Horsepower: 15.8 GPM × 4350 PSI ÷ 1714 ≈
  40.1 HP theoretical — 50 HP motor provides appropriate overhead above
  demand at rated 4350 PSI max pressure for sustained industrial
  duty cycles
• Configuration: Fully enclosed electric — zero exhaust
  emissions, low noise, indoor-rated for industrial production and
  enclosed bay environments
• Alternative: base model 15P8G4350-50HP
  available without VFD for applications not requiring
  programmable control

Why 15.8 GPM at 4350 PSI Max Pressure

15P8G4350-50HP-V Duty Point — Serious Cutting Power With High-Flow Rinse

• 4350 PSI max pressure delivers confident bite: breaks
  stubborn films, road grime, weld scale, compacted oxides, and baked-on
  industrial residues that 3,000–3,600 PSI systems require multiple passes
  to remove — without the cost and operational complexity of
  ultra-high-pressure equipment
• 15.8 GPM for maximum throughput: high flow sweeps
  loosened soils toward drains efficiently after 4350 PSI max pressure
  impact — boosting area cleared per hour and reducing total shift time
  on large industrial floor and bay cleaning operations
• 50 HP motor overhead: theoretical water horsepower
  at 4350 PSI max pressure is approximately 40.1 HP — the 50 HP motor
  provides meaningful margin for sustained high-pressure output, long
  hose runs, and simultaneous multi-tool demand
• Containment-aware operation: VFD ramp limits can
  be matched to bay size and drain capacity at 15.8 GPM — controlling
  overspray and redeposition for cleaner operation in contained wash
  zones at 4350 PSI max pressure
• VFD workflow advantage: soft starts, adjustable
  ramps, and stored presets deliver calmer operation at 4350 PSI max
  pressure — operators experience less lance kick, smoother trigger
  cycling, and standardized results across all shifts

RTD Pump Architecture

Annovi Reverberi RTD-Series — Engineered for 4350 PSI Max Pressure Industrial Service

• Brass manifold head: engineered for durability in
  industrial washdown at 4350 PSI max pressure — built for general service
  applications including fleet maintenance, industrial surface preparation,
  and facility cleaning with standard industrial detergents
• Ceramic plungers: limit heat transfer at the packing
  interface — extending water-seal life significantly during long-duration
  cycles and frequent start/stop operation at the 15P8G4350-50HP-V’s
  rated 4350 PSI maximum pressure
• Precision stainless valves and oversized crank bearings:
  maintain smooth, low-pulsation hydraulics over long hose runs and
  multi-tool configurations at 4350 PSI max pressure — protecting
  downstream accessories and hose assemblies from pressure
  cycling fatigue
• Guarded rigid coupling: preserves motor-to-pump
  shaft alignment, reduces vibration transmission, and protects bearings
  and seals — a key contributor to high MTBF and predictable service
  intervals at sustained 4350 PSI max pressure output
• Service-forward frame design: compact layout with
  clear access to oil fill and drain, valve caps, and seal stacks —
  maintenance stays fast and repeatable without relocating the
  15P8G4350-50HP-V from its installed position

What the VFD Delivers for Cleaning Crews

15P8G4350-50HP-V VFD Features at 4350 PSI Max Pressure

• Soft start and soft stop: motor ramps smoothly to
  operating speed at each startup — eliminating inrush current, lance
  kick, and drivetrain shock to couplings, packings, and bearings at
  the 4350 PSI max pressure operating point
• Adjustable accel/decel ramps: stable lance feel
  with smoother pressure builds and drops when the trigger cycles —
  reducing unloader chatter and eliminating pressure overshoot at the
  15P8G4350-50HP-V’s 4350 PSI max pressure setpoint
• Stored operating profiles: save and recall Wash,
  Prep, and Rinse pressure and RPM presets keyed to facility SOPs —
  operators select at the keypad for one-button repeatability at rated
  4350 PSI max pressure across all shifts without nozzle changes
  or manual adjustments
• Repeatable workflows: consistent cleaning results
  across all operators and shifts at 4350 PSI max pressure — stored
  profiles eliminate variance caused by different operator habits and
  standardize surface finish quality throughout the facility
• Component protection at high pressure: VFD soft
  starts and controlled ramps lower mechanical shock loads on couplings,
  packings, and valve seats at every cycle — extending component life
  between service intervals at the rated 4350 PSI
  max pressure output

15P8G4350-50HP-V Operator Experience

Working at 4350 PSI Max Pressure in Enclosed Industrial Environments

• Stable lance feel with serious cutting power:
  4350 PSI max pressure delivers confident mechanical impact while VFD
  ramping keeps the lance calm and predictable — operators work
  efficiently without the aggressive hose reaction of fixed-speed
  high-pressure systems
• High-flow carry-off at 15.8 GPM: loosened soils
  and slurry move to drains quickly after 4350 PSI max pressure impact
  — fewer passes, faster bay turnover, and cleaner floor results
  per shift
• Zero exhaust, low noise: enclosed electric
  operation makes the 15P8G4350-50HP-V ideal for enclosed industrial
  bays, production cells, and indoor facilities where engine platforms
  are restricted or prohibited
• Consistent results across shifts: stored VFD
  profiles at the rated 4350 PSI max pressure setpoint deliver the
  same output regardless of operator — eliminating variance and
  simplifying training for multi-shift
  industrial operations

15P8G4350-50HP-V Priority Applications

Where 4350 PSI Max Pressure and 15.8 GPM Deliver Results

• Industrial and MRO facilities: pre-paint surface
  preparation, weld and fixture cleanup, stubborn floor contamination,
  and coolant and fines washout where 4350 PSI max pressure impact
  is required for efficient single-pass cleaning
• Fleet and heavy equipment maintenance: frames,
  axles, suspensions, and undercarriages — the 15P8G4350-50HP-V’s
  4350 PSI max pressure delivers faster bay turnover on heavy
  compacted soils than lower-pressure systems without
  UHP complexity
• Facilities and infrastructure maintenance: pads,
  loading docks, steel grating, guardrails, and concrete edge and
  line cleaning where firm 4350 PSI max pressure jet energy with
  15.8 GPM carry-off produces clean, fast results
• Utilities and municipal operations: fabricated
  steel, refuse pads, and transit maintenance areas requiring strong
  4350 PSI max pressure bite combined with reliable high-flow
  rinse-off for efficient debris removal
• Multi-zone industrial wash operations: VFD
  stored profiles make the 15P8G4350-50HP-V ideal for facilities
  cleaning multiple surface types per shift — operators switch
  zones at the keypad without adjusting 4350 PSI max pressure
  manually or changing nozzle tips

15P8G4350-50HP-V Integration & Installation

Best Practices for System Setup at 4350 PSI Max Pressure

• Electrical setup: size supply conductors,
  disconnect, and overload protection to the 50 HP motor nameplate;
  incorporate E-stop and lockout/tagout procedures; program VFD ramp
  times, stop mode, overload limits, and interlocks for low water,
  over-temp, and overload fault conditions per facility SOPs
• Suction plumbing: keep inlet runs short, straight,
  and full-bore — RTD-series triplex pumps at 4350 PSI max pressure
  require adequate NPSH margin; avoid elbows and restrictions near the
  pump inlet to protect packing life at rated max pressure output
• Bypass management: return bypass flow to the
  supply tank — especially with warm water — to stabilize inlet
  temperature and protect seals during extended 4350 PSI max
  pressure operation
• Distribution: use a balanced manifold with correct
  nozzling for multi-tool configurations; verify all accessories are
  rated for a minimum of 4350 PSI at operating temperature for safe
  operation at rated max pressure
• Inlet filtration: oversize the inlet strainer —
  low-cost protection for valves, seats, and seals at 4350 PSI max
  pressure, especially with reclaimed, hard, or
  mineral-laden water supply

15P8G4350-50HP-V Maintenance & Serviceability

Routine Service to Maintain 4350 PSI Max Pressure Performance

• First pump oil change at approximately 50 operating
  hours, then follow Annovi Reverberi’s RTD-series maintenance schedule;
  investigate milky or discolored oil immediately as it indicates
  water ingress into the crankcase
• Water seals and valves: replace seals at the first
  sign of weeping; refresh valve sets if startup pressure fails to reach
  the 4350 PSI max pressure setpoint, pulsation grows, or recovery slows
  after trigger release
• Coupling alignment checks: recheck rigid coupling
  guard and all mounting hardware after initial installation, after
  transport, and during each seasonal service interval to protect
  bearings and seals at rated 4350 PSI max pressure
• VFD parameters: document and back up all stored
  profiles, ramp settings, and interlock configurations — restore
  immediately if the VFD is replaced or reset to factory defaults to
  maintain 4350 PSI max pressure setpoint accuracy across all
  stored cleaning profiles
• Service log: maintain a concise record of oil
  changes, seal and valve replacements, alignment checks, and VFD
  parameter updates — identify trends early and stage parts proactively
  to protect uptime at 4350 PSI max pressure

Why Choose the 15P8G4350-50HP-V

4350 PSI Max Pressure, High Flow, and Full VFD Control

• 4350 PSI max pressure without UHP complexity:
  delivers serious industrial cutting power — removing scale, oxides,
  and baked-on residues that mid-pressure systems cannot handle —
  without the specialized equipment, procedures, and cost of
  ultra-high-pressure systems
• 15.8 GPM at 4350 PSI max pressure — high productivity:
  the combination of maximum cutting impact and high carry-off volume
  delivers the fastest area-cleared-per-hour of any system in the
  4350 PSI class for large industrial floor and bay cleaning operations
• VFD over fixed-speed at high pressure: programmable
  ramps, stored profiles, soft starts, and process standardization make
  the 15P8G4350-50HP-V significantly more versatile, consistent, and
  easier on components than any fixed-speed alternative at
  4350 PSI max pressure
• Zero emissions, indoor-rated: fully enclosed electric
  operation at 4350 PSI max pressure makes this system appropriate for
  enclosed manufacturing cells, production-adjacent facilities, and
  operations where combustion engines are not permitted
• Annovi Reverberi RTD-series reliability: proven
  solid-shaft triplex pump platform with brass manifold, ceramic plungers,
  precision stainless valves, and predictable maintenance intervals —
  wide OEM parts availability across the U.S. and Canada
• Backed by WSHPWR: expert system integration support,
  application guidance, and full parts availability for the
  15P8G4350-50HP-V and the Annovi Reverberi RTD pump platform

The 15P8G4350-50HP-V delivers 4350 PSI maximum pressure
at 15.8 GPM from a 50 HP VFD-controlled electric system
built on the proven Annovi Reverberi RTD-series triplex pump — engineered for industrial
environments where serious 4350 PSI max pressure cutting power, high-flow rinse volume,
programmable control, and zero-emission indoor operation are all required. Contact
WSHPWR for current pricing, availability, and system configuration support.