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BlackStone B-PW 15/300 - Pressure washer with combustion engine - 310 bar - 900 L/h - with Annovi & Reverberi pump

Questions & Answers (31)
ID: K601574

EAN: 9999991090002

MPN: B-PW 15/300

8,9/10
After-sales assistance & Spare parts
BlackStone B-PW 15/300 - Pressure washer with combustion engine - 310 bar - 900 L/h - with Annovi & Reverberi pump
+1000 sold
Free gifts from AgriEuro
2 bottles of 600 ml engine oil each2 bottles of 600 ml engine oil each
Prompt Delivery
211 items in stock
Free Shipping
Estimated delivery: 14/04/2026 - 16/04/2026
Suggested price:
€ 998,28
€ 748,71
Vat included
Technical data
Linear Pump
Yes
Pump head material
Brass
Maximum hourly pump flow rate
900 L/h
Max. pressure
310 bar
Engine speed
3600 RPM
Cubic capacity
420 cm³
Nominal power
15 HP
Motor type
4-stroke
Motor Model
DH420
Pressure regulator
Yes
Wheeled
yes
Type
Trolley
Weight
70 Kg
Hose length
10 m
Product Features
Model
B-PW 15/300
Wheeled
yes
Type
Trolley
Operating mode
Spark ignition
Operation mode
Petrol
Detergent delivery
Low-pressure
Manufacturing country
China
Motor data
Motor brand
Ducar
Motor Model
DH420
Motor type
4-stroke
Cubic capacity
420 cm³
No. of cylinders
1
Nominal power
15 HP
Motor speed
3600 RPM
Fuel
Petrol
Power supply
Overhead valve OHV
Engine lubrication system
Oil bath
Decompression system
Automatic
Tank capacity
6.5 L
Manufacturing country
China
Pump data
Pump brand
Annovi & Reverberi
Model
RSV 4G40
Pump type
Inline-three cylinders
Linear Pump
yes
Linear Pump
Yes
Pistons material
Ceramic
Pump head material
Brass
Brass pump head
yes
Engine speed
3600 RPM
Max flow rate per minute
15 L/min
Maximum hourly pump flow rate
900 L/h
Operating pressure
302 bar
Max. pressure
310 bar
Pressure regulator
Yes
Pressure regulator
yes
Safety valve
Yes
Manufacturing country
Italy
Equipment
External detergent suction hose
Yes
Type of attachment
M22 - Screw
Hose holder
Yes
Rear wheels size
4.00 - 6
Tool holder
Yes
Free gifts/extra features
Engine oil bottle for free
2
Maintenance tool kit
Yes
Heavy-duty spray gun
Yes
Quick-connect nozzle lance
Yes
High-pressure hose for spray gun
10 m
Hose length
10 m
Instructions manual
Yes
Dimensions and logistics
Product dimensions in cm (L x W x H)
135x63.5x77 cm
Net weight
70 Kg
Packaging
On pallet
Original packaging/s dimensions in cm (L x W x H)
72x65x72 cm
Weight including packaging
73.5 Kg
Assembly time
5 minutes
Equipped with an Annovi & Reverberi pumpEquipped with an Annovi & Reverberi pump

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Description

Blackstone B-PW 15/300 petrol pressure washer

The Blackstone B-PW 15/300 petrol pressure washer with Annovi & Reverberi pump is the perfect tool for those who need a product with an excellent price-quality ratio without compromising on the quality of the materials and the guarantee of a reliable brand.

The ceramic piston pump with brass head fitted to this machine is manufactured by the Italian company Annovi & Reverberi. This brand is synonymous with reliability in both materials and performance. This allows the operator a long service life even under particularly intensive conditions of use.

It is also equipped with a powerful 420 cc engine, which can reach a power of 15 HP. These features allow the pressure washer to achieve a maximum flow rate of up to 15 litres per minute (equivalent to 900 litres per hour) and a maximum pressure of 310 bar. Finally, the recoil start is easy and light, thanks to an efficient decompression system.

In addition, the sturdy metal trolley with two pneumatic wheels is complete with a foldable handle and ensures safe forward movement even on rough construction sites or in the countryside. Thanks to the 5 interchangeable nozzles, the user can set the type of jet according to their needs.

Annovi & Reverberi three-piston in-line pump

The Blackstone B-PW 15/300 pressure washer is equipped with a high-quality pump manufactured by Annovi & Reverberi. This brand is synonymous with high reliability in performance and in all its components. In addition, the three linear pistons are made entirely of ceramic, while the head is made of brass with an integrated valve.

Most important features:

  • Model: RSV 4G40
  • Pressure: 310 bar/4400 psi max
  • Flow rate: 15 L/min / 900 L/hour (The inlet flow rate must be at least 15 L/min)

The pressure of a pressure washer is very important. Even more important is the flow rate: very often low-cost products have high pressure but very low flow rates, rendering them ineffective.

Detail of the suction hose connection and the cap with oil level indicator.

Detail of the pressure adjustment knob.

Ducar DH420 Engine

The engine fitted to this pressure washer is a 4-stroke petrol engine with a displacement of 420 cc and has been manufactured using "OHV" technology. This latest generation model with overhead valve technology is suitable for jobs where moderate power is required.

There are major advantages over traditional 2-stroke engines (still widely used on combustion engine spray pumps):

Greater reliability, easier starting, especially after long periods of inactivity, longer life, fewer problems related to fuel preparation and freshness, lower fuel consumption, quieter operation

It also has a professional oil bath connection multiplier between the engine and the pump

Features:

  • Engine type: Single cylinder 4-stroke - OHV
  • Model: DUCAR DH420
  • Cylinder type: Cast iron
  • Nominal power: 15 HP
  • Displacement: 420 cm³
  • Max. rpm: 3400 rpm
  • Tank capacity: 6.5 litres

Additional Features

This pressure washer model has two pneumatic wheels to allow the operator to move the machine in any work environment. In addition, the carrying handle makes storage quick and easy.

The great practicality of this product allows you to store both the lance with extension in the special hooks and the 10-metre hose.

The pressure washer is equipped with a lance with 5 interchangeable quick-connect nozzles.

  • Red 0°: for maximum cleaning power in a very small radius
  • Yellow 15°: for good cleaning power in a small radius
  • Green 25°: for medium cleaning power in a medium radius
  • White 40°: for moderate cleaning power in a wide radius
  • Black SOAP: to be used together with detergent

Blackstone Range with Annovi & Reverberi Pump

The Blackstone range of pressure washers includes the following models:

  • B-PW 15/300
  • B-PW 11/230

These pressure washers are equipped with an Annovi & Reverberi pump, which ensures excellent performance and reliability over time.

Free items & Standard equipment

Free Items Included

Complimentary:

2 bottles of 10W40 oil, specific for 4-stroke engines

Free Items Included

original packaging together with the instruction manual.

The package will also contain:

  • Professional gun with lance;
  • 5 nozzles supplied;
  • Detergent suction tube;
  • Tube with funnel;
  • Maintenance accessories;
  • Nozzle for delivery hose;
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