Pipeline ancillaries
HVB3aslltvoaplveaslve
Dimensions/weights (approximate) in mm and kg
Reduced bore
Kv values
Size
Reduced bore
Full bore
For conversion:
1⁄4"
" 1⁄2"
2.5 6.8 6
2.5 6.8 17
3⁄4"
10
36
1" 11⁄4" 11⁄2"
27 49 70
58 89 153
2" 21⁄2"
103 168
205 -
Size
A
A1
B
C
D
120
61
24
120
61
24
120
61
24
120
63
26
157
91
31
157
195
37
180
109
41
180
115
48
245
132
57
ØE
E Weight
11
0.52
11
0.52
11
0.61
14
0.70
21
1.27
25
1.77
31
2.50
38
3.50
51
6.90
1⁄4"
63
"
63
1⁄2"
63
3⁄4"
68
1"
86
11⁄4"
99
11⁄2"
108
2"
124
21⁄2"
152
52
52
52
60
84
94
102
118
152
Cv (UK) = Kv x 0.963
Cv (US) = Kv x 1.156
Operating torque (N m)
Size
1⁄4"
" 1⁄2" 3⁄4" 1" 11⁄4"11⁄2" 2" 21⁄2"
Reduced bore 2
2
2 3.5 13 21 30 40 45
Full bore
2
2 3.5 13 21 30 40 45
-
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.
B
Safety information, installation and maintenance
For full details see the Installation and Maintenance Instructions
supplied with the product.
C
How to order example:
1 off Spirax Sarco 1⁄2" screwed BSP M10P2FB ball valve.
Spare parts
The spare parts available are shown in solid outline. Parts drawn
in broken line are not supplied as spares.
D
Available spares
Seat and stem seal set
Always order spares by using the description given in the column
headed 'Available spares' and state the size and type of ball valve.
Example: 1 - Seat and stem seal set for a Spirax Sarco 1⁄2" M10P2FB
ball valve.
A1: SW
A: Scrd and BW
Full bore
Size
A
A1
5, 6, 17
B
C
D
E Weight
How to order spares
1⁄4"
63
"
63
1⁄2"
68
3⁄4"
86
1"
99
11⁄4"
108
11⁄2"
124
2"
152
60
60
64
84
98
106
124
152
120
61
120
61
120
63
157
91
157
95
180
109
180
115
245
132
24
11
0.52
24
11
0.61
26
14
0.70
31
21
1.27
37
25
1.77
41
31
2.50
48
38
3.50
57
51
6.90
5
17
6
1
7
5
6
TI-P133-51 ST Issue 6
M10P Ball Valve DN1⁄4" to DN21⁄2"
7.4.22
