The hydraulic diaphragm metering pumps (MFS 18 to MFS 1400) with a stroke length of 15 to 60 mm provide a capacity ranging from 0 to 13,000 l/h at 700 – 6 bar. A wide range of drive versions is available, including some for use in Zone 1 or Zone 2 areas at risk from explosion with ATEX certification.
The Orlita® MF product range is designed to comply with API 675. Its modular construction permits the free combination of drives, power ends and dosing heads, producing a pump for a range of different feed rates and media operating at different working pressures.
Applications for Hydraulic Diaphragm Metering Pumps
Oil/ gas production (onshore/offshore)
Pharmaceuticals & cosmetics
Packaging industry (bottling pumps)
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)
Wetted materials: Stainless steel, special designs are available on request
A wide range of power end versions is available: 3-phase AC motors, motors for use in areas at risk from explosion and different flange designs for use in customer-specific motors
Integrated hydraulic relief and bleed valve
PTFE multi-layer diaphragm with electrical diaphragm rupture warning system via a contact
Why Choose This Product
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.
Capacity range of single pump: 0 – 13,000 l/h, 700 – 6 bar
MfS 18 (MF1a) – Stroke length: 0-15 mm, Rod force: 1,750 N
MfS 35 (MF2a) – Stroke length: 0-20 mm, Rod force: 3,500 N
MfS 80 (MF3a) – Stroke length: 0-20 mm, Rod force: 14,000 N
MfS 180 (MF4a) – Stroke length: 0-40 mm, Rod force: 18,000 N
MfS 600 (MF5b) – Stroke length: 0-40 mm, Rod force: 40,000 N
MfS 1400 (MF6a) – Stroke length: 0-60 mm, Rod force: 60,000 N
Degree of protection: IP 55
Temperature range - 40 °C to + 150 °C
Suction lift up to 8 m
Design in compliance with API 675 among others
Stroke length adjustment: manually by means of a manual adjustment wheel and scaled display (optionally with electric actuator or control drive)
Metering reproducibility is better than ± 1% within the 10 – 100% stroke length range under defined conditions and with correct installation (API 675)
ProMinent Australia | Fluid Controls | Pump Equipment
ProMinent is a manufacturer of equipment and systems for chemical fluid metering and monitoring. With headquarters in Heidelberg, Germany, the ProMinent Group has over 2,000 employees worldwide. With ...