Page 6
Translation of the original instructions with installation instructions Pi 370 / Pi 3700, Filtration Group GmbH, 28.06.2020, Mat. No. 72412144, Version 06
7
Technical data
7.1 Order-specific data
The order-specific data can be taken from the name-plate.
7.2 Technical data of the duplex filter
Nominal pressure
Pi 3705-3711 / 37004-37010:
10
7
load changes: ................................................. 250 bar
10
6
load changes: ................................................. 315 bar
Pi 3715-3745 / 37016-37040:
2ˣ10
6
load changes: .............................................. 210 bar
Pi 3705-3745 / 37004-37040:
when used on ships: ............................................. 200 bar
Test pressure
Pi 3705-3711 / 37004-37010: ............................... 450 bar
Pi 3715-3745 / 37016-37040: ............................... 300 bar
Pi 3705-3745 / 37004-37040
when used on ships: ............................................. 260 bar
Temperature range: ................................ -10°C to +120°C
Bypass setting*/**: ....................................
Δp 7 bar ± 10%
Maintenance indicator setting*: .................
Δp 5 bar ± 10%
Filter housing material: .................................................. St
Filter head material: ......................................... Ductile iron
Sealing material: .................................... NBR / PTFE / Cu
7.3 Technical data of the standard maintenance
indicator (PiS 3092)
Switch: ..................................... NC / NO with reed contact
Protection class: ........................................................ IP65
NO / NC contact load: .......................................Max. 70 W
................................................ Max. 250 V AC / 200 V DC
............................................................................ Max. 1 A
Delivery condition: ................................... Normally closed
Abb. 1: Circuit diagram PiS 3092
8
Transport and storage
Transport
•
Always transport in the original packaging.
•
Avoid vibration.
Storage
•
Always store in the original packaging.
•
Always store in a dry, frost-free room.
* In case of deviation from the standard other pressures are
possible.
** No bypass is used when filtering fuels.
9
Installation
DANGER!
Danger if unauthorised work is carried out
on the unit!
Risk of injury to persons or damage to
property.
The unit is only allowed to be installed,
accepted and tested by a suitably trained
person (99/98/EC).
WARNING!
Danger if unauthorised work is carried out on the
unit!
Risk of injury to persons or damage to property.
All installation work must be carried out by a suitably
trained person.
9.1 Installation
It must be possible to remove the filter
element in order to carry out maintenance
work.
Use only suitable, chemically resistant seals
for the piping.
Prepare a suitable location for installing the unit.
Make sure sufficient free space is available for removal
and discharging (refer to section 14).
Unpack the duplex filter.
Install the duplex filter with the housings pointing
downwards. Fastening threads are provided on the top
(for dimensions, refer to section 14).
Remove the protection caps from the connections.
Connect the pipes to the duplex filter without stress
(refer to the arrow on the filter head).
Fig. 4:
Mechanical installation
For space for
removal, refer to
section 14
Drain
dirty side
Drain
dirty side
