70
MATERIALS
Body 9 S Mn Pb 23 - UNI 5105
Needle 38 Ni Cr Mo4 - UNI EN 10083
OR Nitrile
Antiextrusion rings PTFE
Check valve 38 Ni Cr Mo4 - UNI EN 10083
Spring C72 - UNI 3545
Knob GD Al Si 12 - UNI 5706
Knob (mp) ABS
FT 267/5
EXAMPLE FOR ORDERING
Code Type Viton seal
Plastic
knob
Steel FT 267/5 38 V mp
Stainless
steel
FT 2267/5 12 - mp
DIMENSIONS
Type
ØA
UNI 4534
ØB C D E ØF ØF1 G H L CH
Weight
kg
14 M20x1,5 16 11,5 19 30,5 27 50 43 73,5 4 27 0,130
38 M27x2 19 14 26 40 33 49 52,5 92,5 6 32 0,250
12 M33x2 27 17 27,5 44,5 38 60 60 104,5 7 41 0,340
34 M42x2 35 19,5 33 52,5 47 70 69,5 122 8 50 0,620
100 M52x2 45 22,5 42 64,5 58 120 85 149,5 12 60 1,632
CARTRIDGE MOUNTED SINGLE-ACTING CONTROL VALVES
They control and, in case, shut-off the flow in one direction
and allow the full free flow in the opposite direction.
• Check valve calibrated at 0,35 bar
On request
• Version in AISI 316 code FT 2267/5
• Complete with Viton seals (V)
• Knob in ABS (mp)
71
FT 267/5
SEAL KIT ON THE SEATING
Type 1(OR) (2) BK special
14 2050 267/2.022.00.1-38
38 2062 267/2.022.00.1-12
12 130 267/2.022.00.1-34
34 3118 267/5.022.00.1-34
100 3156 3156
SEAL KIT ON THE NEEDLE
Type OR Antiextrusion rings
14 2021 200-801
38 2018 2018
12 106 106
34 108 108
100 112 112
TECHNICAL DATA
Type
Type flow
section cm
2
Max. working
pressure bar
Min. bursting
pressure bar
Working
temperature °C
Filtration
grade
µm absolute
14 0,07 320 1300 -20°/+100° 25
38 0,15 320 1300 -20°/+100° 25
12 0,37 320 1300 -20°/+100° 25
34 1,56 320 1300 -20°/+100° 25
100 3,80 320 1300 -20°/+100° 25
72
FT 267/5
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q FREE FLOW
FT 267/5
l/min
bar
505
14
2 10 100
Oil 4° E ÷ 50°C
20 200
500
38 12 34
100
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q
FT 267/5 - 14
l/min
bar
84
12
2
2 6 10 14
KNOB TURNS
Oil 4° E ÷ 50°C
34
16
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q
FT 267/5 - 38
l/min
bar
40
20
10
30
KNOB TURNS
Oil 4° E ÷ 50°C
2
3 4 5 6
73
FLOW RATE
CURVES
FT 267/5
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q
FT 267/5 - 12
l/min
bar
4020
60
10 30 50 70
KNOB TURNS
Oil 4° E ÷ 50°C
80
23
4 5 6 7 8
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q
FT 267/5 - 34
l/min
bar
80
40
10
60
KNOB TURNS
Oil 4° E ÷ 50°C
2
3 4 5 6
20 30
50 70 90
7 8
PRESSURE DROP ∆p
25
20
15
10
5
0
FLOW RATE Q
FT 267/5 - 100
l/min
bar
160
80
20
120
KNOB TURNS
COMPLETELY OPEN
Oil 3,2° E
÷ 50°C
2
3 4 5 7
40 60
100 140 180
8
200
6
74
FT 247/2 - FT 267/2 - FT 267/5
Sealing realized
with OR seals
on flat seating
75
FT 247/2 - FT 267/2 - FT 267/5
SEATING MACHINING DRAWINGS
FOR THREADED CARTRIDGE MOUNTED VALVES
FLAT SEATING FOR OR - FT 247/2 - 267/2
Type ØA ØB C
D
UNI 4534
E E1 F ØG H ØL M Sm OR
18 23 19 2 M15x1 14 13 11 12 21,5 4 11,5 0,5 3056
14 28 24 2 M20x1,5 17,5 16,5 13,5 14 28,5 5 14,5 1 3075
38 28 24 2 M20x1,5 21 20,5 13,5 16 33,5 8 16,2 1,2 3075
12 34 30 2 M27x2 30 28,5 20 19 43 10 24 1,2 3100
34 43 36 2 M33x2 32,5 32 20 27 47,5 13 25 1,2 3125
100 60 45 2 M42x2 38,5 37 23,5 35 57 16 30,5 1,5 3162
FLAT SEATING FOR OR - FT 267/5
Type ØA ØB C
D
UNI 4534
E E1 F ØG H ØL M Sm OR
14 28 24 2 M20x1,5 21 20,5 13,5 16 33,5 8 16,2 1 3075
38 34 30 2 M27x2 30 28,5 20 19 43 10 24 1,2 3100
12 43 36 2 M33x2 32,5 32 20 27 47,5 12 25,5 1,2 3125
34 60 45 2 M42x2 38,5 37 23,5 35 57 16 30,5 1,5 3162
100 61 55 2,2 M52x2 46 45 27 45 67,5 20 34,5 1,5 3200
76
FT 247/2 - FT 267/2 - FT 267/5
Sealing realized
with Bonded seal
77
FT 247/2 - FT 267/2 - FT 267/5
SEATING MACHINING DRAWINGS
FOR THREADED CARTRIDGE MOUNTED VALVES
SEATING FOR BONDED SEAL - FT 247/2 - 267/2
Type ØA C
D
UNI 4534
E E1 F ØG H ØL M Sm
Bonded
seal
18 23 1 M15x1 13 12 9 12 20 4 10,3 0,5 400-512
14 27 1 M20x1,5 16,5 15,5 12 14 27 5 13,3 1 400-513
38 27 1 M20x1,5 20 19,5 12 16 32 8 15,2 1,2 400-513
12 33 1,3 M27x2 28 26,5 18 19 41 10 22 1,2 400-520
34 40 1,3 M33x2 30,5 30 18 27 45,5 13 23 1,2 400-515
100 50 1,3 M42x2 36,5 35 21,5 35 55 16 28,5 1,5 400-516
SEATING FOR BONDED SEAL - FT 267/5
Type ØA C
D
UNI 4534
E E1 F ØG H ØL M Sm
Bonded
seal
14 27 1 M20x1,5 20 19,5 12 16 32 8 15,2 1 400-513
38 33 1,3 M27x2 28 26,5 18 19 41 10 22 1,2 400-520
12 40 1,3 M33x2 30,5 30 18 27 45,5 12 23 1,2 400-515
34 50 1,3 M42x2 36,5 35 21,5 35 55 16 28,5 1,5 400-516
78
FT 247/2 - FT 267/2 - FT 267/5
Sealing realized
with OR seals
on conical seating
79
FT 247/2 - FT 267/2 - FT 267/5
SEATING MACHINING DRAWINGS
FOR THREADED CARTRIDGE MOUNTED VALVES
CONICAL SEATING FOR OR - FT 267/5
Type ØA
ØB
UNI4534
C D E F ØG H ØL M ØN Sm OR
14 22,3 M20x1,5 0,25 21 20,5 13,5 16 33,5 8 16,2 28 1,2 3068
38 29,1 M27x2 0,3 30 28,5 20 19 43 10 24 34 1,2 132
12 36 M33x2 0,3 32,5 32 20 27 47,5 13 25 43 1,2 4112
34 45 M42x2 0,3 38,5 37 23,5 35 57 16 29 60 1,5 4150
100 55 M52x2 0,3 46 45 27 45 67,5 20 34,5 61 1,5 4187
CONICAL SEATING FOR OR - FT 247/2 - FT 267/2
Type ØA
ØB
UNI 4534
C D E F ØG H ØL M ØN Sm OR
18 16,5 M15x1 0,25 14 13 11 12 21,5 4 11,5 23 0,5 2050
14 22,3 M20x1,5 0,25 17,5 16,5 13,5 14 28,5 5 14,5 28 1 3068
38 22,3 M20x1,5 0,25 21 20,5 13,5 16 33,5 8 16,2 28 1,2 3068
12 29,1 M27x2 0,3 30 28,5 20 19 43 10 24 34 1,2 132
34 36 M33x2 0,3 32,5 32 20 27 47,5 13 24 43 1,2 4112
100 45 M42x2 0,3 38,5 37 23,5 35 57 16 29 60 1,5 4150
