Danfoss PVFC User guide

MAKING MODERN LIVING POSSIBLE

Tech Note

LS Compensating Valve
PVFC

This Tech Note introduces LS compensating
valve PVFC. PVFC is an important step towards
the elimination of typical regulation problems
that arise when, for example, PVG is used with
LS-pumps that

y lead an oil flow into the LS-line
y are fitted with a high leakage LS-control

Code number and weight

In the first case PVFC is used as an
LS-controlled pressure relief valve. In the
second case it is used as an LS-controlled
pressure regulator.

PVFC must only be sold together with other
hydraulic components from Danfoss.

Code number Weight (kg)

158H805500 0.8

520L0218 • Rev BC • Nov 2014

Tech Note LS Compensating Valve PVFC

Technical data

Conversion

Dimensions

Max.pressure (bar) Max. flow

cont. int. (l/min)

350 400 3

PVFC is always supplied as an LS-controlled
pressure regulator. If it is to be used as an
LS-controlled pressure relief valve the following
conversion must be made:

1. Remove nipple at ports 2 and 3 (a/flats 22)

2. Reverse spool

3. Fit the spring into port 3

4. Fit nipple with orifice into port 3

5. Fit nipple without orifice into port 2

The port numbers are stamped into the housing.

The numbers 1, 2, and 3 are stamped into the valve housing.
E: G 1/4; 12 mm deep

520L0218 • Rev BC • Nov 20142