Annovi Reverberi XMA25G18E-F33 Triplex Pump | 2.5 GPM 1800 PSI F33 NEMA 56C 1750 RPM
XMA25G18E-F33 — the Annovi Reverberi Series 178 XMA commercial
triplex plunger pump delivering 2.5 GPM at 1,800 PSI at a
slow-speed 1,750 RPM through an F33 NEMA 56-C flange
and 5/8-inch hollow E-version electric shaft for direct coupling
to standard NEMA 56-C electric motors — engineered for small commercial wash bays,
equipment wash stations, building and grounds maintenance, agricultural equipment
rinsing, and OEM electric pressure washer builds where a compact, 15-lb commercial
triplex pump delivers consistent 2.5 GPM performance at 1,800 PSI from a
controlled slow-speed electric motor platform. At the heart of every
XMA25G18E-F33 is Annovi Reverberi’s dual redundant
packing system — the forged brass head double gasket sealing architecture
standard across the entire XM Series 178 family, deploying primary and secondary
packing stages so that early seal wear produces a telltale weep warning rather
than sudden pressure loss or crankcase contamination. Backed by a
5-year commercial warranty with AR North America’s nationwide
U.S.-based service centers and domestic WSHPWR fulfillment.
XMA25G18E-F33 Key Specifications
Performance, Drive & Construction — Confirmed AR Catalog
- Model: Annovi Reverberi XMA25G18E-F33
- Series: 178 (XMA) — Commercial
- Flow Rate: 2.5 GPM (9.5 L/min)
- Maximum Pressure: 1,800 PSI (120 Bar)
- EBHP: 3.0
- Operating Speed: 1,750 RPM — slow-speed
design for reduced heat, vibration, and
component wear - Bore: 15 mm | Stroke: 10.6 mm |
CSID Stamp: 5 - Weight: 15 lbs
- Shaft: 5/8-inch hollow E-version —
standard NEMA 56-C output shaft diameter;
right-hand horizontal orientation - Flange: F33 NEMA 56-C — direct coupling
to compatible TEFC and standard NEMA 56-C
electric motors with 5/8-inch
output shaft - Packing System: Dual redundant —
primary and secondary stages standard across
all XM Series 178 pumps - Manifold: Forged brass
- Connecting Rods: Aluminum alloy
- Plungers: One-piece ceramic
- Valves: Stainless steel — poppets,
seats, and springs; maintenance plug access
for field serviceability - Crankcase: Die-cast aluminum,
oil-bath lubrication - Bearings: Oversized
- Inlet: 1/2-inch female |
Discharge: 3/8-inch female - Max Water Temperature: 140°F
- Oil Capacity: 14.5 oz
- Warranty: 5-year commercial —
U.S.-based service centers,
domestic WSHPWR fulfillment
Standard XM Series 178 Package
Every XMA25G18E-F33 Ships Complete — Nothing Extra to Source
Every pump across the AR XM Series 178 family ships with the same standard
factory package: break-in oil pre-filled in the crankcase,
vented dipstick for pressure control and oil level access,
oil sight glass for at-a-glance level checks before each
operating session, direct-drive mounting bolts for F33 NEMA
56-C motor installation, operator’s manual with parts schematic
for installation reference and repair kit identification, and
5-year commercial warranty documentation backed by AR North
America’s nationwide U.S. service center network and
domestic WSHPWR fulfillment.
The AR Dual Redundant Packing System
XMA25G18E-F33 — 60 Years of Longevity Engineering Standard on Every Unit
The dual redundant packing system is standard on every pump
across the AR XM, XMS, XMA, XMV, SXM, SXMS, SXMA, and SXMV triplex ceramic
plunger families. In a standard single-packing design, one seal ring contains
working pressure at every plunger stroke — when it wears, pressure bypasses
immediately, water contaminates the crankcase oil, and bearings accelerate
toward failure without warning. The AR dual redundant system places primary and
secondary packing stages in series. When the primary stage nears end of service
life, the secondary maintains pressure containment while a minor weep at the
telltale port alerts the operator. That early warning converts an unexpected
breakdown into a planned maintenance event — the accumulated result of over
60 years of Annovi Reverberi commercial pump engineering since 1958, and the
confidence behind the 5-year warranty on every XMA25G18E-F33.
Where the XMA25G18E-F33 Fits the XMA F33 Family
2.5 GPM at 1,800 PSI — Controlled Output for Drainage-Managed and Compact Installations
The XMA25G18E-F33 occupies the controlled-output position in
the XMA F33 electric family — 2.5 GPM at 1,800 PSI at 3.0 EBHP. Compared to
the 3.0 GPM / 2,500 PSI XMA3G25E-F33 above it in the family, the
XMA25G18E-F33 serves installations where tighter water volume management is
a design requirement.
At 2.5 GPM, water recovery demand is lower — an important
consideration for small wash bays with limited drain capacity, compact mobile
cart systems where tank volume constrains operating time between refills,
low-foaming detergent applications where excess flow creates handling issues,
and 120V single-phase electric motor packages where keeping power consumption
within circuit limits matters. The 2.5 GPM specification is not a concession
on performance — it is the correct flow specification for the installation
conditions it serves.
At 1,800 PSI, the XMA25G18E-F33 delivers effective cleaning
on vehicles, equipment surfaces, building exteriors, and agricultural machinery
without the surface risk that higher-pressure specifications introduce on
painted surfaces, vinyl siding, and sensitive outdoor materials. The 1,750 RPM
slow-speed design reduces heat generation and mechanical fatigue at the dual
packing seals, valve seats, and bearings — extending service intervals beyond
what higher-speed alternatives at equivalent output deliver.
XMA25G18E-F33 Key Benefits
Dual Redundant Packing, Controlled 2.5 GPM, and F33 Slow-Speed Direct Drive
- Dual redundant packing — planned maintenance
instead of breakdowns: primary and secondary
stages with telltale port warning; standard on
every XM Series 178 pump since 1958 - 2.5 GPM controlled flow for drainage-managed
installations: correct specification for
small wash bays, compact carts, low-foaming
detergent systems, and 120V motor packages
where flow volume is
a constraint - 1,800 PSI surface-safe for broad
application range: effective on vehicles,
equipment, and exterior surfaces without the
technique demands of higher-pressure systems
on sensitive materials - 1,750 RPM extends every wear interval:
heat, valve cycling, and packing fatigue all
reduced versus higher-speed alternatives —
the slow-speed advantage compounds across
a full operating season - F33 NEMA 56-C 5/8-inch E-shaft — standard
electric motor interface: fits the most
common NEMA 56-C motor output shaft without
adapters; compact direct coupling without
belts or pulleys - Forged brass manifold and field-serviceable
valves: standardized valve, water seal,
and oil seal repair kits; accessible head
design for fast disassembly — rebuilt at
wear intervals, not discarded - Compatible with standard system
components: unloaders, regulators, relief
valves, and gauges sized for 2.5 GPM at
1,800 PSI integrate without
custom hardware
XMA25G18E-F33 Typical Applications
Where 2.5 GPM at 1,800 PSI at 1,750 RPM Delivers Controlled Commercial Results
- Small commercial wash bays: compact
trucks, vans, and service vehicles where 2.5 GPM
at 1,800 PSI provides effective cleaning within
the drain capacity and water recovery
infrastructure of small
bay installations - Equipment wash stations: light
manufacturing, fabrication shops, and
maintenance facilities where the
XMA25G18E-F33’s controlled 2.5 GPM output
fits wash station water management
requirements alongside regular
production operations - Building and grounds maintenance:
sidewalks, patios, building exteriors, and
outdoor surfaces where 1,800 PSI handles
routine surface deposits without surface
risk on siding, masonry,
or coatings - Agricultural equipment rinsing:
general farm maintenance, implement washdown,
and equipment rinsing where the compact
electric motor-driven format provides
convenient washdown capability from
a fixed barn or
shop installation - OEM electric pressure washer
builds: 15-lb compact weight, 5/8-inch
E-shaft, F33 NEMA 56-C mount, and 3.0 EBHP
requirement make the XMA25G18E-F33 a
practical OEM specification for 120V and
230V electric pressure washer
frame builds
XMA25G18E-F33 Installation & Maintenance
Best Practices for Long Dual Packing Service Life at 1,750 RPM
- Confirm motor output shaft is 5/8-inch
and NEMA 56-C face: verify before
installation — 3/4-inch shaft motors require
a D-version pump; shaft mismatch prevents
proper coupling engagement - Confirm motor delivers 1,750 RPM and
3.0 HP under load: motor undersizing
causes speed drop and reduces output
below 1,800 PSI - Monitor telltale port: minor weep =
primary packing wear; secondary is holding
pressure — schedule AR repair kit replacement
before secondary failure occurs - Install upstream inlet strainer:
50-mesh minimum — clean inlet water protects
both packing stages and ceramic plungers
from abrasive contamination - Size unloader for 2.5 GPM and
1,800 PSI: prevents pressure spikes
that stress the dual packing beyond
rated load - Never run dry: confirm water flow
before starting — dry operation damages both
packing stages and plungers immediately
and voids warranty - First oil change at 50 hours:
then per AR duty-cycle schedule; flush manifold
with clean water after every
chemical application - Winterize: pump RV antifreeze
through or fully drain before freezing
temperatures — freeze damage
voids warranty
Why Choose the Annovi Reverberi XMA25G18E-F33
Controlled Flow, Surface-Safe Pressure, and 60 Years of AR Engineering
The XMA25G18E-F33 is the correct specification when 2.5 GPM
controlled flow at 1,800 PSI from a standard NEMA 56-C 5/8-inch electric motor
platform serves the installation better than higher-flow alternatives — small
wash bays, compact OEM builds, 120V motor packages, and drainage-limited
environments where the controlled duty point is an engineering requirement,
not a compromise. Dual redundant packing, forged brass manifold, standardized
repair kits, and 60 years of Annovi Reverberi engineering since 1958, backed by
a 5-year warranty and AR North America’s nationwide U.S. service infrastructure.
Contact WSHPWR for current pricing, availability, motor compatibility
confirmation, and repair kit specification.





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