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Hydraulic Diaphragm Metering Pumps

Pressure and back pressure

High pressures are no problem in metering systems as long as there is something to counter them. ProMinent hydraulic diaphragm metering pumps therefore use a hydraulic fluid to create back pressure. You will soon notice the benefits for the diaphragm.

Where ProMinent hydraulic technology is found:

  • Oil and gas production (onshore/offshore)
  • Refineries
  • Chemical and petrochemical industry
  • Pharmaceuticals & cosmetics
  • Food production
  • Packaging industry (bottling pumps)

Your benefits

It works, it works well, and it lasts for a long time. The hydraulic control is very precise and requires only minimal maintenance. The diaphragms are durable and provide consistently accurate metering. The technology also offers a high standard of safety. There is a pressure relief valve in the hydraulic end as protection against overload. The multi-layer diaphragms are equipped with a diaphragm rupture warning system as standard. So there is no risk of the feed chemicals mixing with the hydraulic oil.

Pump Guide

The choice of pumps is huge: 80 industries, 100,000 products and infinite applications. To make it as easy as possible to find your ideal metering pump, ProMinent designed the Pump Guide. All it takes is a few clicks to find a selection of suitable models.

How it works

First enter the pump capacity and back pressure. The Pump Guide will then show you all the metering pumps that match your criteria. You can choose between list view and detail view. The database contains all solenoid driven metering pumps, motor driven metering pumps, process metering pumps and peristaltic pumps from ProMinent. They are divided into more than 30 different product ranges.

Exactly the right pump

Narrow down your search by clicking on different selection criteria. Do you have a specific industry, operating mode, medium or viscosity in mind? Or maybe you need a pump for zones at risk of explosion? The Pump Guide will take you to the pump you need with just a few clicks.


Directly to the Pump-Guide

Products

Hydraulic Diaphragm Metering Pump Hydro/ 2

Capacity range of single pump: 3 – 72 l/h, 100 – 25 bar

As an extremely robust hydraulic diaphragm metering pump, the Hydro/ 2 meets the most exacting safety requirements. Its modular construction, with either one or two dosing heads, 4 gear ratios, 2 dosing head sizes and 3 dosing head materials, offers a very high degree of flexibility in terms of areas of application. more

Your benefits

Excellent process safety and reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • Metering reproducibility is better than ± 1% within the 20-100% stroke volume range under defined conditions and with proper installation

Excellent flexibility:

  • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
  • It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
  • 5 different gear ratios are available

Hydraulic Diaphragm Metering Pump Hydro/ 3

Capacity range of single pump: 10 – 180 l/h, 100 – 25 bar

The Hydro/ 3 is an extremely robust hydraulic diaphragm metering pump. It meets the most exacting safety requirements. Its modular construction offers extremely good flexibility in terms of application, for example in the oil and gas industry. more

Your benefits

Excellent process safety and reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • Metering reproducibility is better than ± 1% within the 20-100% stroke volume range under defined conditions and with proper installation

Excellent flexibility:

  • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
  • It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
  • 5 different gear ratios are available

Hydraulic Diaphragm Metering Pump Hydro/ 4

Capacity range of single pump: 130 – 1,450 l/h, 25 – 7 bar

The Hydro/ 4 is an extremely robust hydraulic diaphragm metering pump, which meets the most exacting safety requirements – it is equipped as standard with a pressure relief valve and PTFE multi-layer diaphragm with diaphragm rupture warning system. Its modular construction offers extremely good flexibility in terms of applications. more

Your benefits

Excellent process safety and reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • Metering reproducibility is better than ± 1% in the 20-100% stroke volume range under defined conditions and with proper installation.

Excellent flexibility:

  • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
  • It is possible to combine up to 5 metering units, even with different pump capacities, in multiple pump systems
  • 5 different gear ratios are available

Hydraulic Diaphragm Metering Pump Makro/ 5

Capacity range of single pump: 450 – 6,108 l/h, 25 – 6 bar

The robust hydraulic diaphragm metering pump Makro/ 5 guarantees outstanding process reliability. Its modular construction offers extremely good flexibility and a large range of power end versions are available. more

Your benefits

Excellent process safety and reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • Metering reproducibility is better than ± 1% within the 10-100% stroke length range under defined conditions and with correct installation.

Excellent flexibility:

  • The modular construction with single and double head versions permits a wide range of applications, with the double head designs being operated in push-pull mode
  • It is possible to combine up to 4 metering units, even with different pump capacities, in multiple pump systems
  • 5 different gear ratios are available
new

Hydraulic Diaphragm Metering Pump Orlita® Evolution 1

Capacity range of single pump: 3 – 355 l/h, 400 – 12 bar

The Orlita® Evolution 1 meets the highest safety requirements as an extremely robust hydraulic diaphragm metering pump. It stands out, thanks to its PTFE multi-layer diaphragm with integral diaphragm rupture warning system and unique diaphragm position control. Its modular construction offers extremely good flexibility in terms of applications. more

Your benefits

Maximum process reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • The new diaphragm position control protects against operating faults (e. g. no damage in the event of a blockage on the suction or discharge side)
  • Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation
  • Continuous bleeding of the hydraulic oil chamber ensures reliable operation

Excellent flexibility:

  • The modular compact construction with single and multiple pump versions allows for a wide range of applications, also for multiple pump systems, whereas up to 5 metering units, even with different pump capacities, can be combined.
new

Hydraulic Diaphragm Metering Pump Orlita® Evolution 2

Capacity range of single pump: 6 – 900 l/h, 400 – 10 bar

The Orlita® Evolution 2 meets the highest safety requirements as an extremely robust hydraulic diaphragm metering pump. It stands out, thanks to its PTFE multi-layer diaphragm with integral diaphragm rupture warning system and unique diaphragm position control. more

Your benefits

Maximum process reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • The new diaphragm position control protects against operating faults (e. g. no damage in the event of a blockage on the suction or discharge side)
  • Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation
  • Continuous bleeding of the hydraulic oil chamber ensures reliable operation

Excellent flexibility:

  • The modular compact construction with single and multiple pump versions allows for a wide range of applications, also for multiple pump systems, whereas up to 5 metering units, even with different pump capacities, can be combined.
new

Hydraulic Diaphragm Metering Pump Orlita® Evolution 3

Capacity range of single pump: 21 – 1,330 l/h, 400 – 18 bar

The Orlita® Evolution 3 meets the highest safety requirements as an extremely robust hydraulic diaphragm metering pump. It stands out, thanks to its PTFE multi-layer diaphragm with integral diaphragm rupture warning system and unique diaphragm position control. more

Your benefits

Maximum process reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • The new diaphragm layer control protects against impermissible operating statuses (e.g. no damage in the event of a blockage on the suction or discharge side)
  • Continuous bleeding of the oil chamber ensures reliable operation

Excellent flexibility:

  • The modular construction with single and multiple pump versions permits a wide range of applications. In multiple pump systems up to 5 metering units can be combined, including units with different pump capacities
  • 7 different gear ratios are available; in single pumps the drive arrangement can be either vertical or horizontal
new

Hydraulic Diaphragm Metering Pump Orlita® Evolution 4

Capacity range of single pump: 55 – 7,400 l/h, 400 – 10 bar

The Orlita® Evolution 4 meets the highest safety requirements as an extremely robust hydraulic diaphragm metering pump. It stands out, thanks to its PTFE multi-layer diaphragm with integral diaphragm rupture warning system and unique diaphragm position control. more

Your benefits

Maximum process reliability:

  • PTFE multi-layer diaphragm with integral diaphragm rupture warning system
  • Integral hydraulic relief valve
  • The new diaphragm position control protects against operating faults (e. g. no damage in the event of a blockage on the suction or discharge side)
  • Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation
  • Continuous bleeding of the hydraulic oil chamber ensures reliable operation

Excellent flexibility:

  • The modular compact construction with single and multiple pump versions allows for a wide range of applications, also for multiple pump systems, whereas up to 5 metering units, even with different pump capacities, can be combined.

Hydraulic Diaphragm Metering Pump Orlita® MF

Capacity range of single pump: 0 – 13,000 l/h, 700 – 6 bar

The hydraulic diaphragm metering pump Orlita® MF offers reliable capacities even under high pressure and has a modular construction, therefore has versatile uses. Thanks to its modular design, this pump is tailored to meet your requirements even at very high pump capacities. more

Your benefits

Excellent process safety and reliability:

  • PTFE double diaphragm with integrated diaphragm rupture warning system ensures precise and low-wear operation despite high pressures
  • The product chamber is hermetically separated from the hydraulic part
  • Integrated hydraulic relief valve and automatic bleed valve for the hydraulic chamber
  • Wear-free, valveless enforced anti-cavitation of the hydraulic leakage guarantees optimum dosing precision
  • Cone valves for use as suction and/or discharge valves with minimal wear, good self-cleaning and low pressure loss (NPSHR)

Excellent flexibility:

  • The modular construction allows a wide range of uses. In multiple pump systems it is possible to combine up to 6 metering units, even with different pump capacities. In single pumps the drive arrangement may be either vertical or horizontal.

Hydraulic Diaphragm Metering Pump Orlita® MH

Capacity range of single pump: up to 800 l/h, up to 700 bar

The diaphragm metering pump Orlita® MH has a robust metal diaphragm, which permits precise pump capacities even at very high pressure. The ORLITA® MH has a modular construction and therefore has a versatile range of uses. A range of power end versions are therefore available and drives, power ends and dosing heads can be freely combined. more

Your benefits

Excellent process safety and reliability:

  • Metal double diaphragm with integrated diaphragm rupture warning system ensures precise and low-wear operation even at very high pressure
  • The product chamber is hermetically separated from the hydraulic part
  • Integrated hydraulic relief valve and automatic bleed valve for the hydraulic chamber
  • Wear-free, valveless enforced anti-cavitation of the hydraulic leakage guarantees optimum dosing precision
  • Cone valves for use as suction and/or discharge valves with minimal wear, good self-cleaning and low pressure loss (NPSHR)

Excellent flexibility:

  • It is possible to combine up to 6 metering units, even with different pump capacities, in multiple pump systems

Hydraulic Metal Diaphragm Metering Pump High-pressure Orlita® MHHP

Capacity range of single pump: 3 – 11 l/h, 3,000 bar

The metal diaphragm metering pumps Orlita® MHHP are special pumps, which provide precise pump capacities even at maximum pressures of up to 3,000 bar. more

Your benefits

Excellent process safety and reliability:

  • Metal double diaphragm with integrated diaphragm rupture warning / signalling system ensures precise and low-wear operation even at very high pressure
  • The product chamber is hermetically separated from the hydraulic part
  • Integrated hydraulic relief valve and automatic bleed valve for the hydraulic chamber
  • Wear-free, valveless enforced anti-cavitation of the hydraulic leakage guarantees optimum dosing precision
  • Metering reproducibility is better than ± 0.5 % within the 10 – 100% stroke length range under defined conditions and with correct installation
  • Cone valves for use as suction and/or discharge valves with minimal wear, good self-cleaning and low pressure loss (NPSHR)

Contact us

Ralf Kiermaier

Vice President Sales and Marketing, ProMinent GmbH

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+49 6221 842 0  Send request   

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