86
MATERIALS
Body base 9 S Mn Pb 23 - UNI 5105
Compensation unit 38 Ni Cr Mo 4
OR Nitrile
Antiextrusion ring PTFE
Knob GD Al Si 12 - UNI 5706
FT 297/2
EXAMPLE FOR ORDERING
Code Type Viton seal
Steel FT 297/2 14 V
DIMENSIONS
Type
ØA
uni 4534
ØB C ØD E F G ØL CH (1) 0R
Weight
kg
14 M33x1,5 24 31 33 64,5 95,5 4,5 M30x1,5 32 2081 0,350
A
B
CARTRIDGE MOUNTED PRESSURE COMPENSATED
MICROFINE FLOW CONTROL VALVES
Pressure compensated flow control valves, to insert in modular units in line.
They are essentially composed of a central body which may be screwed
in units preset by the user.
The construction and functional characteristics reflect exactly those
of valves series FT 287.
It is recommended to keep them in their protective wrapping until
the mounting, in order to avoid possible drawbacks caused by eventual
entry of particles into the delicate and essential parts for a good working.
On request
• Viton seals (V)
• Knob in ABS (mp)
87
TECHNICAL DATA
Type
Max. working
pressure bar
Min. bursting
pressure bar
Working
temperature °C
Filtration grade
µm absolute
14 320 7,5 -20°/+70° 25
FLOW RATE Q
3
2,5
2
1,5
1
0,5
6
32
KNOB TURNS
FT 297/2-14
l/min
4
5
Oil 3,5°E-50°C
1
FLOW RATE Q
2.5
2
1.5
1
0.5
0
80
PRESSURE DROP ∆p
FT 297/2
bar
l/min
Oil 3,5°E ÷ 50°C
40
60
160100 180120 140
20
FT 297/2
88
FT 287/2 - FT297/2
Sealing realized
with OR seals
on conical
seating
89
FT 287/2 - FT 297/2
DRAWING OF CAVITY MACHINE FOR CARTRIDGE
MOUNTED VALVES
Type ØA ØB C
D
UNI 4535
E F ØG H ØL M OR Sm
14 39 35 5,2 M33x1,5 24 18 24 35,2 6,5 20 3118 0,8
38 44 40,5 5,2 M39x1,5 27,5 19 30 40 9 22,5 3143 0,8
12 53 49 6,5 M48x2 33,5 23,5 35 49 11 27,5 3175 0,8
34 63 58 7 M55x2 40 27 40 57 13,5 32,5 155 1
