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Piston metering pumps are particularly precise metering units that are not pressure dependent. The metering capacity varies in proportion to the stroke length and can be adjusted to the smallest reproducible quantities. Twin-piston and multi-piston pumps are therefore particularly suitable for delivering precise mixtures where different media must be mixed at a fixed ratio that can be selected as desired. Using externally controlled drive motors, the total quantity can be varied at a fixed ratio between 5% and 100%. Heated heads allow the metering of media that is warm when cooled. A piston flush skirt option is available to prevent damage from leaks and to protect packaging materials and pistons from corrosive chemicals.
FEDOS E
Classic piston dosing pump
The FEDOS E combines the properties of the FEDOS series working reliably for many years with the latest requirements in dosing technology. Advantages of piston dosing pumps: little dependency on back pressure and linear flow variation as a function of stroke length. Due to an improved flexibility and the further development of individual components, the pumps can be integrated even more efficiently in dosing processes. Heads and pistons are the same as for the previous pumps so that the continuity of spare parts keeping and service is ensured.
Suitable for accurate mixing tasks
Capacity range 0.17 to 31.5 l/h, at up to 100 bar
Minor dependence of the back pressure
Linear development of the dosing quantity according to the stroke length
Tappet drive with easy-to-operate capacity adjustment
Also suitable for frequency converter operation
Flushing bush optional
Downloads
Catalog: FEDOS E.pdf
User Manual : FEDOS E PI.pdf
FEDOS DX
Electronic piston dosing pump
The microprocessor-based FEDOS DX combines the properties of the FEDOS series with the latest requirements in dosing technology. It's used if the pump is to be integrated in controls or automatic control systems. It allows the adaptation to a large number of different control signals and system monitoring equipment. Depending on the version, the FEDOS DX can be adjusted continuously between 0 and 142 strokes/min. for internal control. A single stroke follows each contact. In addition, the stroke frequency can be changed by pulse division or multiplication.
Suitable for accurate mixing tasks
Capacity range 0.17 to 31.5 l/h, at up to 100 bar
Minor dependence of the back pressure
Linear development of the dosing quantity according to the stroke length
Tappet drive with easy-to-operate capacity adjustment
Flushing bush optional
Downloads
Catalog: FEDOS DX.pdf
User Manual : FEDOS DX PI.pdf
REKOS KR
Big piston dosing pump
Rekos pumps can be supplied as simplex piston dosing pumps type KR and duplex piston dosing pumps type ZKR.
Advantages of piston dosing pumps are: minor dependency on back pressure and linear flow variation as a function of the stroke length. The dosing pumps are therefore very suitable for proportional dosing where the stroke length is adjusted by means of a remote control signal.
Simplex or duplex piston dosing pumps
Minor dependency on back pressure
Linear flow variation as a function of the stroke length
Plastic dosing heads for max. 10 bars
Stainless steel dosing heads for up to 200 bar
Double-ball, spring-loaded single-ball valves or disc valves, depending on the size
Dosing head with a flushing attachment
Piston packings in PTFE or Aramid-kevlar
Piston-diaphragm dosing heads available
Dosing head heating
Stroke counter with inductive detector for charge-processes (optional)
Stroke adjustment either manually or electrically (ATE)
Downloads
Catalog: REKOS KR.pdf
User Manual : REKOS KR PI.pdf
KARDOS KN
Powerful piston dosing pump
KARDOS stands for a group of precision dosing pumps which have been developed especially for applications with a high demand for accuracy, reliability and flexibility in a wide performance range. The symmetrically designed gearbox allows the arrangement of 4 dosing heads on the same level and the stacking of three heads above one another, thus enabling a maximally 12-head pump. Each dosing head is 100% adjustable independently.
4 dosing heads on the same level
Stacking of three heads above one another
Each dosing head is 100% adjustable independently
Piston in ceramic, stainless steel or Hastelloy
Double-ball, single-ball or spring-loaded single-ball valves, depending on the size of the dosing head
Plastic dosing heads for max. 10 bars
Stainless steel dosing heads for up to 400 bar
Dosing head with a flushing attachment
Piston packings in PTFE or Aramid-kevlar
Stroke counter with inductive detector for charge-processes (optional)
Dosing head heating
Piston-diaphragm dosing heads available
Downloads
Catalog: KARDOS KN.pdf
User Manual: KARDOS KN PI.pdf
KARDOS N
High pressure piston dosing pump
KARDOS stands for a group of precision dosing pumps which have been developed especially for applications with a high demand for accuracy, reliability and flexibility in a wide performance range. The symmetrically designed gearbox allows the arrangement of 2 dosing heads on the same level and the stacking of three heads above one another, thus enabling a maximally 6-head pump. Each dosing head is 100% adjustable independently.
2 dosing heads on the same level
Stacking of three heads above one another
Each dosing head is 100% adjustable independently
Piston in ceramic, stainless steel or Hastelloy
Double-ball, single-ball or spring-loaded single-ball valves, depending on the size of the dosing head
Plastic dosing heads for max. 10 bars
Stainless steel dosing heads for up to 400 bar
Dosing head with a flushing attachment
Piston packings in PTFE or Aramid-kevlar
Stroke counter with inductive detector for charge-processes (optional)
Dosing head heating
Piston-diaphragm dosing heads available
Downloads
Catalog: KARDOS N.pdf
User Manual : KARDOS N PI.pdf