Pipeline ancillaries
HVB3aslltvoaplveaslve
Page 3 of 3
B
C
7.4.25
Dimensions / weights (approximate) in mm and kg
Reduced bore
Kv values
Size
Reduced bore
Full bore
For conversion
1⁄4"
5
" 1⁄2"
6.8
6
3⁄4" 1"
10 27
11⁄4" 11⁄2"
2" 21⁄2"
Size
A
A1
1⁄4"
66
66
"
66
66
1⁄2"
66
66
3⁄4"
72
72
1"
87
87
11⁄4"
104
104
11⁄2"
111
111
2"
125
119
21⁄2"
153
153
B
C
D
E
Weight
103 168
205 -
49 70
89 153
Cv (US) = Kv x 1.156
162
93
24
11
0.86
162
93
24
11
0.84
162
93
24
11
0.81
162
95
26
14
1.02
162
101
31
21
1.56
162
106
37
25
2.35
186
118
41
31
3.08
186
123
48
38
4.41
251
140
57
50
8.17
6.8 17
36 58
5
Cv (UK) = Kv x 0.963
Operating torque (N m)
Size
Reduced bore
Full bore
1⁄4"
" 1⁄2" 3⁄4" 1" 11⁄4"11⁄2" 2" 21⁄2"
3.5 3.5 3.5 6
14 21
50 60 75
3.5 3.5
6
14 21 50 60 75
-
ØE
The indicated torque values are for valves frequently operated,
that are submitted to a maximum differential pressure of 140 bar.
Valves that are subject to long static periods, may require greater
break-out torque.
Safety information, installation and maintenance
For full details see the Installation and Maintenance Instructions
supplied with the product.
How to order example:
1 off Spirax Sarco 1⁄2" screwed BSP M10Pi2FB ISO ball valve.
Spare parts
The spare parts available are shown in solid outline. Parts drawn
in broken line are not supplied as spares.
Available spare
Seat, seals and body gasket set
5, 6, 18, 21
How to order spares
Always order spares by using the description given in the column
headed 'Available spare' and state the size and type of ball valve.
Example: 1 - Seat, seals and body gasket set for a Spirax Sarco
1⁄2" M10Pi2FB ISO ball valve.
D
A1: SW
A: Scrd and BW
Full bore
Size
A
A1
1⁄4"
66
66
"
66
66
1⁄2"
72
72
3⁄4"
87
87
1"
104
104
11⁄4"
111
111
11⁄2"
125
125
2"
153
153
B
C
D
E
Weight
162
93
162
93
162
95
162
101
162
106
186
118
186
123
251
140
24
11
0.86
24
11
0.84
26
14
1.02
31
21
1.56
37
25
2.35
41
31
3.08
48
38
4.41
57
50
9.05
6
21
6
18
5
5
18
M10Pi ISO Ball Valve DN1⁄4" to DN21⁄2"
TI-P133-69 ST Issue 2
