Hughes Pumps HP65 ES-B | Skid Mounted High Pressure Water Jetting Unit

The Hughes Pumps HP65 ES-B is a skid mounted, electric motor driven high pressure water jetting unit designed for a wide range of industrial cleaning and maintenance duties. Built around the HP65 pump, the unit is suitable for applications including surface cleaning, descaling, heat exchanger cleaning, pipe cleaning, vessel cleaning, and more.

The standard build combines the HP65 pump with oil cooling, stainless steel pumphead, hard wearing plungers, and integral gearbox into a compact skid package. The system also includes an analogue pressure gauge for discharge pressure indication, burst disc assembly or safety valve, manual pressure adjusting valve, and pump switches for low inlet pressure and high oil temperature.

For water supply and inlet protection, the HP65 ES-B is fitted with a polypropylene water tank, boost pump, and dual filtration. Electrical control is handled through a star delta starter control panel complete with interlocked isolator, start/stop buttons, hours counter, shutdown circuit for pump switches, and emergency stop. The panel also includes a PILZ safety relay and terminals for a remote E-stop, mounted in a coated sheet steel IP65 enclosure.

The standard motor specification is an IE3 foot mounted 4-pole electric motor, IP55, Class F insulation, Class B rise, TEFC, fitted with PTC thermistors, and suitable for 400V 3ph 50Hz and 480V 3ph 60Hz supplies. Fabricated components are grit blasted and powder coated with a zinc rich primer and durable topcoat, helping protect the unit in corrosive environments.

The datasheet also lists a range of build options, including pneumatic control valve, air compressor, and a modular chassis design that allows combinations including skids, crashframes, site trailers or trolleys, with or without enclosures. Other listed options include a certified crashframe, ATEX Zone 1 or 2 electric motors and starter panels, and a full range of accessories for different applications.

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Key Features

• Skid mounted electric high pressure water jetting unit

• Built around the HP65 pump with oil cooling

• Stainless steel pumphead, hard wearing plungers, and integral gearbox

• Suitable for surface cleaning, descaling, heat exchanger cleaning, pipe cleaning, and vessel cleaning

• Analogue pressure gauge for discharge pressure display

• Burst disc assembly or safety valve

• Manual pressure adjusting valve

• Polypropylene water tank, boost pump, and dual filtration

• Star delta starter control panel with interlocked isolator and E-stop

• PILZ safety relay and remote E-stop terminals

• IE3 foot mount 4-pole electric motor

• IP55, Class F insulation, Class B rise, TEFC

• Suitable for 400V/3ph/50Hz and 480V/3ph/60Hz

• Fabrications grit blasted and powder coated with zinc rich primer and durable topcoat

• Optional ATEX Zone 1 or 2 motors and starter panels

• Modular chassis options including skids, crashframes, site trailers, trolleys, and enclosures

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Typical Applications

The Hughes Pumps HP65 ES-B is suitable for:

• Surface cleaning

• Descaling

• Heat exchanger cleaning

• Pipe cleaning

• Vessel cleaning

• Industrial maintenance cleaning

• Marine and offshore cleaning support

• High pressure water jetting duties where a compact skid mounted electric unit is preferred

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Motor and Performance Options

The datasheet shows two standard motor options.

37 kW (50 hp) Motor

50 Hz

• 27 lpm at 650 bar

• 18 lpm at 1000 bar

60 Hz

• 33 lpm at 600 bar

• 22 lpm at 900 bar

45 kW (60 hp) Motor

50 Hz

• 34 lpm at 650 bar

• 23 lpm at 1000 bar

60 Hz

• 33 lpm at 650 bar

• 22 lpm at 1000 bar

The datasheet also notes: refer to the HP65 pump data sheet for alternative performances.

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Why Choose the Hughes Pumps HP65 ES-B?

The HP65 ES-B gives operators a ready-built high pressure water jetting package rather than just a standalone pump. That makes it useful for projects where users need a practical skid-mounted system with integrated water tank, inlet conditioning, electrical controls, and safety features already configured into one unit.

Its combination of electric drive, compact footprint, oil-cooled HP65 pump, and modular build options also makes it suitable for contractors and operators who may need to tailor the package for workshop, site, marine, or offshore cleaning duties.

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Technical Specification

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Build Options

Available options listed on the datasheet include:

• Pneumatic control valve

• Air compressor

• Modular chassis combinations including skids, crashframes, site trailers or trolleys

• With or without enclosures

• Certified crashframe

• ATEX Zone 1 or 2 electric motors and starter panels

• Full range of accessories for all applications

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Frequently Asked Questions

What is the Hughes Pumps HP65 ES-B?

It is a skid mounted, electric motor driven high pressure water jetting unit built around the HP65 pump.

What applications is the HP65 ES-B suitable for?

The unit is suitable for surface cleaning, descaling, heat exchanger cleaning, pipe cleaning, vessel cleaning, and similar jetting duties.

Does the HP65 ES-B include oil cooling?

Yes. The datasheet lists the unit as using an HP65 pump with oil cooling.

What motor options are available?

The datasheet shows 37 kW (50 hp) and 45 kW (60 hp) motor options.

What is the maximum listed pressure?

The highest listed pressure on the datasheet is 1000 bar, depending on motor and frequency.

Does the unit include its own water tank and filtration?

Yes. The unit includes a polypropylene water tank, boost pump, and dual filtration.

What controls and safety features are included?

It includes a star delta starter panel, interlocked isolator, start/stop buttons, hours counter, shutdown circuit, E-stop, PILZ safety relay, and remote E-stop terminals.

Is an ATEX version available?

Yes. The build options list ATEX Zone 1 or 2 electric motors and starter panels.

What are the approximate dimensions and weight?

The unit is approximately 1.8 m long x 1.0 m wide x 1.5 m high and weighs approximately 625 kg.

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Enquire about the Hughes Pumps HP65 ES-B

For technical details, pricing, or project support:

Email: info@isubc.com

Phone: +44 (0)1253 767788