VPK product brochure

VPK product brochure
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VPK product brochure

Product catalog summary
Overview:
The VPK series sectional metering devices are designed for SKF CircOil circulating and SKF ProFlex progressive centralized lubrication systems. They are applicable in various industries including metal-forming machinery, vehicles, construction machinery, automotive production systems, and packaging and printing machines.
Advantages:
  • Suitable for continuous or intermittent operations.
  • Offers variable dosing amounts and outlet consolidation.
  • Expandable with directional solenoid valves.
  • Monitorable via piston detectors or visual indicators.
  • Easy servicing with vulcanized seals.
  • Supports up to 20 outlets with a volumetric flow of up to 500 cm3/min.
Product Description:
The VPK metering devices are part of the progressive feeder range, available in metric-threaded (VPKM) and inch-threaded (VPKG) designs. They distribute lubricant using pistons aligned in series, with metering volumes per outlet and cycle ranging from 0.05 cm3 to 0.6 cm3.
Operation:
The progressive feeder ensures all connected points receive lubricant by moving pistons in sequence. The number of pistons ranges from 3 to 10, determining the lubricant portions.
Design Considerations:
  • Maximum cycle rate: 200 cycles/min to minimize pressure losses and noise.
  • Feeder sections: Minimum of 3 and maximum of 10.
  • Output quantities depend on piston diameter and travel.
Monitoring and Attachments:
Standard sections can be monitored with piston detectors or visual stroke monitoring. Directional solenoid valves are available for oil, and check valves are recommended for grease.
Technical Data:
  • Hydraulically controlled, suitable for any mounting position.
  • Ambient temperature range: -25 to +90°C.
  • Operating pressure: Oil 200 bar, Grease 300 bar.
  • Material: Steel, galvanized with NBR seals.
Technical Specifications:
  • Operating pressure: 150 bar
  • Rated voltage: 24 V DC
  • Rated current: 1.3 A
  • Weight: 1560 g and 610 g for different configurations
  • Lubricant: Mineral oils, environmentally friendly and synthetic oils
  • Operating viscosity: 20–1000 mm2/s
  • Electrical design: Pusher/solenoid
  • Electrical connection: DIN EN 175301-803
  • ON-time: 100% ED
  • Protection class: IP65
  • Design: 4/2 and 3/2 continuity to feeder, normally open (NO) and normally closed (NC)
  • Ambient temperature range: –15 to +75 °C
Design and Configuration:
Includes sectional metering device VPK with 4/2-directional solenoid valve, various configurations for inlet and outlet threads, monitoring systems, and installation positions. Electrical plug and socket connections are ordered separately.
Order and Configuration Details:
Detailed order codes for sectional metering devices are configurable online, with access to 3D and 2D drawings, dimensioned drawings, and complete order codes.
Spare Parts and Accessories:
Spare parts tables include inlet screw unions, outlet screw unions, monitoring systems, feeders, and attachments, with specific order numbers for each component. Accessories include electrical plug-in connections and various connectors.
Additional Information:
Further brochures are available for related products and systems, with contact information for SKF Lubrication Systems Germany GmbH.
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Catalog excerpts

VPK product brochure-1

Sectional metering devices Product series VPK For oil and grease For use in SKF CircOil circulating and SKF ProFlex progressive centralized lubrication systems • For universal use in continuous or intermittent operations • Versatile – features metering sections with variable dosing amounts and internal and external consolidation of outlets • Expandable by attaching directional solenoid valves Metal-forming machinery Vehicles Construction machinery Production systems in the automotive industry • Packaging and printing machines • Can be monitored using piston detectors or visual cycle indicators • Simple to service – separator plates feature vulcanized seals that cannot be detached • owerful – max. 20 outlets for volumetric

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VPK product brochure-2

Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Monitoring and attachments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Sectional metering device VPK in basic design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Sectional metering device VPK with piston detector and cycle indicator . . . . . . . ....

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VPK product brochure-3

Sectional metering device, product series VPK Product overview Basic design Visual cycle indicator Piston detector NAMUR proximity switch Overview SKF progressive feeders, inlet volume cm³/min 6 000 The maximum recommended flow rate values relate to lubricating oil at the highest selectable piston-stroke volume.

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VPK product brochure-4

Sectional metering device, product series VPK Product description Information on the design The general criteria for the design of progressive feeders also apply without restrictions to the sectional metering device VP. The most important criterion is the number of cycles (stroke rate). They should be held as low as possible by selecting high-volume feeders. Maximum value of 200 cycles/min should not be exceeded Thus, pressure losses and noise level will also be reduced. In case of an installation on movable machine parts or in case of strong vibrations (e.g. on presses), the piston position...

 Open the catalog to page 4
VPK product brochure-5

Sectional metering device, product series VPK Monitoring and attachments Tightening torques During the installation of the VKP feeder, consisting of inlet section, inlet plate, twin and single sections, separator plates as well as end plate and end section, the following tightening torques have to be adhered to for the tie-rods and nuts: Tightening torque Tie-rod (2x) each 2,5 Nm Nut for tie-rod M6 (2x) each 12,0 Nm Two neighboring outlets are joined from the end section towards the inlet section. The plug (order No. 917-006-101) of the outlet nearest to the end section must be unscrewed and...

 Open the catalog to page 5
VPK product brochure-6

Sectional metering device, product series VPK Basic design for oil and grease Technical data Type . . . . . . . . . . . . . Mounting position . . . . . . Ambient temperature range . Feeder section . . . . . . . . Occupied outlets . . . . . . . Material Inlet, separator and end section . . . . . Sections . . . . . . . . . . . . . . . . . Hydraulic system Operating pressure, max. . . . . . . . . Volume per outlet and cycle . . . . . . . Lubricant . . . . . . . . . . . . . . . . Operating viscosity . . . . . . . . . . . . Worked penetration . . . . . . . . . . . Hydraulically controlled Any –25...

 Open the catalog to page 6
VPK product brochure-7

Sectional metering device, product series VPK Monitoring with piston detector and cycle indicator, for oil and grease Technical data With piston detector Basis design † Technical data page 6 Piston detector, electrical 1) Ambient temperature range . Operating pressure max. . . Design . . . . . . . . . . . . Rated voltage . . . . . . . . Internal thread . . . . . . . . Weight . . . . . . . . . . . . Residual ripple (2-pin) . . . . Residual ripple (3-pin) . . . . Max. load current . . . . . . Protection class . . . . . . . Min. load current (2-pin) . . . Outlet function (2-pin) . . . . Outlet function...

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VPK product brochure-8

Sectional metering device, product series VPK Monitoring with cycle indicator and NAMUR proximity switch, for oil and grease Technical data Basis design † Technical data page 6 Proximity switch Ambient temperature range . Operating pressure max. . . Rated voltage . . . . . . . . Internal thread . . . . . . . . Weight . . . . . . . . . . . . Design . . . . . . . . . . . . Power consumption . . . . . . . . . . . Protection class . . . . . . . . . . . . . Outlet function . . . . . . . . . . . . . Weight total . . . . . . . . . . . . . . . –15 bis +70 °C 350 bar 8,2 V DC M12×1 30g PVC, with 2 m cable...

 Open the catalog to page 8
VPK product brochure-9

Sectional metering device, product series VPK with directional solenoid valve, for oil Technical data With 4/2-directional solenoid valve Basis design † Technical data page 6 3/2- and 4/2-directional solenoid valve Ambient temperature range . . . . . . . Operating pressure max. . . . . . . . . Rated voltage . . . . . . . . . . . . . . Rated current . . . . . . . . . . . . . . Weight . . . . . . . . . . . . . . . . . . Lubricant . . . . . . . . . . . . . . . . Operating viscosity . . . . Elektrische Bauart . . . . Plug/electrical connection ON-time . . . . . . . . . Protection class . . . . ....

 Open the catalog to page 9
VPK product brochure-10

Order code Sectional metering device of product series VPK *) Order code Feeder information Choice 6 / 7 / 8 : information on sections 1 to 10 as seen from inlet (min. 3 sections) Inlet- and outlet thread G1/8 Inlet- and outlet thread M10×1 Order example: VPKGYFXC–EMM–CMV–HSM–DMS–EMM Selection of inlet screw union Piston detector 2-pin, M12×1 plug Piston detector 3-pin, M12×1 plug (wire breakage protection) Cycle indicator, visual (plunger rod) 1) Cycle indicator with holder and proximity switch M12×1 1) Cycle indicator with holder for proximity switch M12×1 (without proximity switch) 1) Straight...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.