Group: SKF
Catalog excerpts
Piston pump unit Product series KFG For fluid grease and grease For use in SKF MonoFlex and SKF ProFlex centralized lubrication systems Features: Delivery rates: 0.8 to 15 cm3 / min • • Fluids delivered: Fluid grease and grease • Reservoir capacities: 2 to 20 kg • Patented grease follower plate system for position-independent application (e.g. rotary application in wind energy systems) • Integrated fill level monitoring • Control unit that can be integrated • For us in vehicles, Industrial and wind energy systems • The commercial vehicle version has type approval pursuant to ECE-R 10 Advantages: • Reliable: due to sturdy materials, very durable components and designs for extreme conditions (with positively driven pump elements) • Application-oriented: individual designs through user-friendly product customizer • Versatile: can be used as a single line (SKF MonoFlex) and as a progressive pump (SKF ProFlex) • Safe: through fill level monitoring, lubrication system monitoring, pressure re
Open the catalog to page 1Important information on product usage SKF and Lincoln lubrication systems or their components are not approved for use with gases, liquefied gases, pressurized gases in solution and fluids with a vapor pressure exceeding normal atmospheric pressure (1 013 mbar) by more than 0,5 bar at their maximum permissible temperature.
Open the catalog to page 2KFG piston pump unit Table of contents Product selection table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Functional description in SKF centralized lubrication systems . . . . . . . . . . . . . . . . . . . . 5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15–16 Special designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 Exploded-view and spare parts drawings . . . . . . . . . . . . . . .18 Wearing parts and spare parts . . . . . . . . . . . . . . . . . . . . . . .19 Productselection table Overview SKF...
Open the catalog to page 3KFG piston pump unit Introduction The KFG pump unit is an electrically driven piston pump. Its core is comprised of a drive shaft with an eccentric that drives up to three pump elements. Various designs make it possible to accommodate this sturdy and proven principle of operation to different circumstances. The pump is comprised of four main components: Housing with pump elements, reservoir with fill level monitoring, internal control units and attachments. The housing integrates the motor, the drive shaft with an eccentric and up to three pump elements for delivering the lubricant....
Open the catalog to page 4KFG piston pump unit Functional description in SKF centralized lubrication systems SKF MonoFlex SKF ProFlex – progressive centralized lubrication systems The SKF MonoFlex System is comprised of: • Pump unit with pump element(s) and relief valve • Lubricant lines • Single-line distributors • Pressure switch for pump control unit and monitoring The SKF ProFlex System is comprised of: • Pump unit with pump component(s) • Lubricant lines • Progressive feeders • Optional piston detectors for function monitoring When the pump motor is turned on, the pump element suctions the lubricant out of the...
Open the catalog to page 5KFG piston pump unit Main components Pump housing The housing of the KFG pump unit is made of sturdy aluminum. Integrated within are the electric motor, the power supply unit (only with 230 V AC variant), the drive shaft with eccentric and one to three pump elements. The eccentric converts the rotational movement into a stroke movement of the pump element. The pump element pushes out lubricant during its forward movement and suctions in new lubricant from the lubricant reservoir during its retraction movement. In the design for the vehicle and industry sector, the lubricant reservoir is...
Open the catalog to page 6KFG piston pump unit Main components Reservoir Two different reservoir types exist for the KFG pump unit: one for stationary and one for rotary application. A grease follower plate system patented by SVK is to be found in the lubricant reservoir of the units for rotary application. A spiral spring assembly is attached to the grease follower plate. This presses the follower plate onto the lubricant. As a result, the lubricant is always available at the pump element, independent of the position of the unit. The filling of this reservoir variant is carried out through a quickaction coupling on...
Open the catalog to page 7KFG piston pump unit Main components Internal control unit IG502-2-I The control unit IG502-2-I with control display can be integrated in the pump housing and controls the turning on and off of the KFG pump by means of interval times and pump runtimes. It enables the fill level monitoring of the lubricant reservoir and the evaluation of a piston detector signal (setting of the control unit when a signal is expected from the piston detector during the runtimes: COP=CS). It is suitable exclusively for the monitoring of SKF ProFlex systems. Note Legend of the abbreviations for the programming...
Open the catalog to page 8KFG piston pump unit Main components Pressure restriction valve max. 130 In order to prevent an excessive operating pressure in the system, a pivoted pressure restriction valve should be attached. If the operating pressure exceeds the cracking pressure of the pressure restriction valve, then the valve will open and the lubricant can escape. The pressure restriction valve is used primarily in progressive systems. One can select among variants with SKF plug connectors, straight connector and with G 1/4" female thread. Pressure relief valve with integrated pressure restriction valve The valve...
Open the catalog to page 9KFG piston pump unit Designs Control unit IG502-2-I KFG unit for Industry / Vehicle applications Note This page shows possible designs of the KFG units. Not all components can be combined with one another. The configurator on the following page allows the functional specification of a KFG reservoir pump unit. Fill level monitoring (mechan. switch for grease, NLGI class 2) KFG with grease follower plate technology for rotary application (e.g. wind energy systems) Fill level monitoring (capacitive proximity switch for fluid grease, NLGI classes 1, 0, 00, 000) Fitting SKF plug connector...
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