5
GB
5.2 Maintenance
Frequency (1-3 years according to DIN 1988)
depends on local operating conditions.
The following should be carried out by
competent personnel, with the time interval
depending on the site conditions:
1. Close valve 1 .
2 Release pressure at side of outlet (e.g.
through water tap).
3. Loosen slotted screw 3 .
●
do not remove!
4. Slacken spring tension
●
Turn adjusting knob 5 to the left (-).
5. Close valve 2 .
6. Remove spring hood
●
using double ring spanner ZR06K.
➯
Accessory
7. Remove slip ring 6 .
8. Remove valve insert with a pair of pliers.
●
Check if sealing ring, nozzle side and
slotted ring are in good condition
●
Clean filter
●
Replace faulty parts.
9. Reassemble in reverse order
●
press in membrane with finger before
inserting slip ring.
10. Adjust outlet pressure as described
under section 3 .
6. Scope of application
Medium
Water, compressed
air*, nitrogen*
Inlet pressure Maximum 25 bar (350 PSI)
Outlet pressure 1.5 to 6.0 bar (21 to 85 PSI)
Temperature
Maximum 70 °C
7. Safety guidelines
1. Use appliance:
●
In good condition
●
According to regulations and codes
of practise
●
With due regard to safety.
2. Follow installation instructions.
3. Immediately rectify any malfunctions
which may influence safety .
4. D05F pressure reducing valve is
exclusively for use in applications
detailed in these installation instructions.
8. Replacement parts
Spring bonnet complete
0901515
1
/
2
" +
3
/
4
"
Valve insert
D05FA-
1
/
2
B
1
/
2
" +
3
/
4
"
Spare filter
ES05F-
1
/
2
A
1
/
2
" +
3
/
4
"
Blanking plug with O-ring
S06K-
1
/
4
1
/
2
" +
3
/
4
"
9. Accessories
Pressure gauge
M39K-A4
0 - 4 bar
M39K-A10
0 - 10 bar
ZR06K
Double ring wrench
VST06
Connection set
A = with tailpieces
B = with soldering connections
*As part of an installation being approved according to PED
requirements, this product must also be certified.