Delta-Elektrogas FF Fuel Filters DN15 - DN25

The FF type is a filter for fuel pipelines with very high holding capacity of dust and impurities, suitable for the protections of devices installed downstream.

Brand

Delta-Elektrogas

Delta-Elektrogas

In 1961 Elettromeccanica DELTA s.p.a. was founded in Arcade (TV) with the aim of designing and manufacturing oil burners with mechanical atomization. Today, Elettromeccanica DELTA and its brand Deltapumps and Elektrogas are leading manufacturers of gear oil pumps and safety control valves, exported in more than 60 countries in the world.

Description

The FF type is a filter for fuel pipelines with very high holding capacity of dust and impurities,
suitable for the protections of devices installed downstream.

Features

The filters are made of aluminum alloy die-cast, with a range for inlet/outlet connections from
DN15 up to DN 50.
Suitable for fuel oil in liquid state or gaseous media.
The incorporated filtering cartridge is a steel support frame covered with a double-layer high
performance nonwoven made of polyolefine fibers, which satisfy the stringent requirements of
Fire Class F1 according to DIN 53438 and are thus self-extinguishing.
FFS1-FFS2 models are provided with a mesh filter cartridge.
Considering the same connection, the FFS are smaller models of FF filters: the body is more
compact with a reduced filtering surface.
Optionally provided with pressure gauges for both inlet and outlet chamber (excluded FFS1-
FFS2 models).
All components are designed to withstand any mechanical, chemical and thermal condition
occurring during typical service. Effective impregnation and surface treatments have been used
to improve mechanical sturdiness, sealing and resistance to corrosion of the components.
Filters are 100% tested by computerized testing machineries and are fully warranted.

Application

The FF type filter is designed for installation in fuel lines, to protect downstream fittings.
The filtering cartridge made of nonwoven polypropylene fibers with a metal support frame, is
suitable to retain dust and other impurities with size ≥30µm (50µm for mesh filter of FFS1-
FFS2).
When the dust storage capacity is exceeded or if there is an excessive pressure difference, the
filter loses its protective function. In this case the filter element must be cleaned or replaced.
The mesh filter cartridge of FFS1-FFS2 models is easy washable.

Accessories and optionals

Inlet and outlet pressure chambers can be provided with pressure gauges, to connect a
differential pressure switch to monitor the pressure difference.
On request a test point fitting can be provided (mounting in charge of the user).

Specifications 

Connections Gas threaded ISO 7-1 from Rp1/2 to Rp2
Max. operating pressure 2 bar (200 kPa)
Ambient temperature -15°C / +80°C
Flow capacity see charts
Pore width of filter element ≤ 50 µm (mesh filter cartridge FFS1, FFS2)
≤ 30 µm (double-layer polypropylene cartridge)
Filtration class G4 according to EN 779
Pressure gauges        Inlet and outlet chambers
(when provided)      G1/8 onto threaded models (except FFS1-FFS2)
Installation Into horizontal and vertical pipeline
Materials in contact      Aluminium alloy
with media                      Plated steel
Polypropylene fibers
Nitrile rubber (NBR)
Fluoroelastomer (FPM) (optional)

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