Schematic of Flow ultrahigh-pressure pump

Pump Technology

The pump is the heart of the waterjet system, continuously delivering pressurized water to the cutting head.

Get a Test Cut

Schematic of Flow ultrahigh-pressure pump

Pump Technology

The pump is the heart of the waterjet system, continuously delivering pressurized water to the cutting head.

Get a Test Cut

The Intensifier

60,000 psi [4,150 bar] operating pressure

 

Flow's intensifiers set the industry standard for waterjet and abrasive waterjet cutting applications. Evolved over the decades per the demands of 24/7 operation in high production environments such as paper slitting and food processing, Flow's ESL (extended seal life) Intensifier pump system is the most dependable pump available.

Flow's waterjet pump options include an extended seal life intensifier pump

Extended Seal Life Intensifier

Exclusive Gold Standard single, mechanically-shifted 60,000 psi [4,150 bar] ESL (extended seal life) intensifier with ceramic plungers minimizes seal wear and improves longevity and durability.

Flow ESL Intensifier pumps include full diagnostic intelligence, accessed via the system's control console

Full Diagnostic Intelligence

Digital pressure transducers, temperature sensors at check valves, intensifier stroke counting, and much more is constantly sensed in Flow ESL Intensifier pumps. When integrated into a Flow machine tool, this information is also displayed on the operator control console.

Top view of Flow's maintenance-free attenuator, delivery consistent water pressure

Maintenance-Free Attenuator

With the largest pressure-shock attenuator available (124 cubic inch or 2.02 liter), Flow pumps deliver consistent water pressure every day. No maintenance is required.

Automatic high-pressure bleed-down valves. Safety assurance built right in to the pump.

Safety Built Right In

Automatic high-pressure bleed-down valve relieves system water pressure to ambient within 1 second of shutting down the pump.

The fully electronic pressure control is integrated into the Flow machine operator station.

Fully Electronic Pressure Control

Pressure setting and control is integrated into your Flow machine operator station, greatly enhancing operator convenience.

Close up of waterjet piercing and then cutting stone, displaying dual pressure control

Dual Pressure Control

Designed for applications where a low pressure pierce may be necessary before a higher pressure cutting operation, the dual pressure control provides a simple way to switch between two output pressures.

Thermostatic control of inlet cooling water, enchancing pump performance

Thermostatic Control of Inlet Cooling Water

Enhances pump performance and optimizes inlet water usage.

Side view of pump's two-stage water filtration system, which ensures quality

Water Filtration System

Ensures quality; a two-stage filter bank filters water of particulate matter to 0.5 micron.


Specifications

Other horsepower and pressure configurations available.

Horespower

30 / 50 / 100 hp

Orifice Size

0.010" / 0.14"/ 0.020"[0.254 mm / 0.356 mm / 0.508 mm ]

Flow Rate

0.47 / 0.91 / 1.87 gal/min [1.78 / 3.44 / 7.08 ml/min]

Max Generated Pressure

65,000 psi [4,480 bar]

Max Operating Pressure

60,000 psi [4,150 bar]


Headset symbol; Flow's Service and Support; white icon on gray background

Service & Support

We are dedicated to you. The ESL Intensifier Pump family is backed by Flow's renown global service network. Technical documentation, phone support, and on-site maintenance contracts are available. See our service section for details.

Flow designed our intensifier systems for easy operation and reliable performance. The Flow ESL Intensifier Pump family delivers the most reliable ultrahigh-pressure at full pressure for basic or 24/7 operation. Constantly monitored by advanced diagnostics, the ESL Intensifier Pumps provide a constant stream of performance information designed to maximize your uptime. As the most popular pump in the world, you can perform the maintenance quickly, or sign up for maximum productivity with a Flow service contract.

Wrench symbol; Flow System Maintenance; white icon on gray background

Maintenance

Flow designed our intensifier systems for easy operation and reliable performance. The Flow ESL Intensifier Pump family delivers the most reliable ultrahigh-pressure at full pressure for basic or 24/7 operation. Constantly monitored by advanced diagnostics, the ESL Intensifier Pumps provide a constant stream of performance information designed to maximize your uptime. As the most popular pumps in the world, you can perform the maintenance quickly, or sign up for maximum productivity with a Flow service contract.

Hard-hat symbol; Flow Safety by Design; white icon on gray background

Safety by design

This pump is designed for safe, reliable, continuous operation at 60,000 psi [4,150 bar] in tough industrial cutting applications.

Flow’s pumps are manufactured in a facility which follows the strict rules of manufacture and safety dictated in the ASME code Section VIII, Division 3, and is permitted to apply the U3 stamp to items which apply to the code.

Velocity Matters

Only pressure determines jet velocity. Get technical with a whitepaper and learn how Flow waterjets can cut with the fastest stream velocity in the industry.

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