ZPB Divider Valves

Distributors ZP-B are used to divide and meter lubricant in total loss central lubrication systems (oil, liquid grease and grease) and in oil recirculation systems suitable for small, medium and large machine plants.

Design and Function

ZP-B distributors consist of several individual segments (at least 3 in the standard version) that are screwed together and sealed against each other. Depending on the arrangement within the distributor, the following segment types are available:

  • Initial- or A-segment
  • Medium or M-segment
  • Final- or E-segment

The distributor ZP-B has the task to divide the lubricant volume (oil or grease) received under pressure into portions and to deliver them successively to the up to 24 possible outlets. This is achieved due to pistons which are moved by the lubricant being under pressure, and forcibly controlled by each other. The pistons move into their final positions, and the lubricant waiting in front of the piston is successively supplied to the lubrication points.

The distributor works as long as it is supplied with lubricant.

On request, the distributor is equipped with integrated nonreturn valves. These nonreturn valves, which are integrated in the distributor outlets, have the advantage that the distributor works reliably even in case of small lubricant volumes and higher counter pressures involved as far as the line material is flexible.

In case that a visual operational monitoring of the distributor is necessary or desired, the distributor has to be ordered with motion indicators. For the extended version with motion indicators, it is possible to provide additionally an electrical operational monitoring by means of an electronical monitoring switch.

Features

  • Progressive distributor
  • up to 24 outlets
  • Electronic monitoring possible
  • Metered volume: variable from 0.5 cm3
  • Lubricant: grease, fluid grease, oil

Technical Data

Working pressure max.300 bar
Temperature range (with proximity indicator)-20 °C to +80 °C (higher temperatures on request)
Admissible differential pressure between 2 outletsmax. 50 bar with non-return valves max. up to admissible system pressure
Metered volume per piston strokeat choice 0.5; 1.2 or 2.0 cm3
Flow volume for oil and greasemin. 0.5 cm3/min; max. 1500, 3000, 5000 cm3/min
Opening pressure of nonreturn valves2 bar
Response pressure<10 bar
Usable lubricants on mineral oil basisLubricating greases up to NLGI class 3 DIN 51818
Oil ISO VG 68 to 1500 (DIN 51519) at 20 °C ambient temperature
Synthetic lubricantson request
Pipe connections:
InletØ 10
OutletØ 6, Ø 8 or Ø 10
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