Pipeline ancillaries
HVB3aslltvoaplveaslve
Page 3 of 3
7.4.31
Dimensions / weights (approximate) in mm and kg
Reduced bore
Kv values
Size
Reduced bore
Full bore
For conversion:
Operating torques (N m)
1⁄4"
3
/
8
" 1⁄2"
3⁄4" 1"
10 27
11⁄4" 11⁄2" 2" 21⁄2"
49
70 103 168
89 153 205
-
Cv (US) = Kv x 1.156
Size
A
A1
1⁄4"
60
58
3
/
8
"
60
58
1⁄2"
60
49
3⁄4"
66
56
1"
80
78
11⁄4"
96
91
11⁄2"
102
98
2"
118
112
21⁄2"
146
145
B
C
D
E
Weight
3 6.8 6
3 6.8 17
120
63
26
11
120
63
26
11
120
63
26
11
0.66
120
66
29
14
0.85
157
94
33
21
1.50
157
99
37
25
2.30
180
111
41
31
3.00
180
117
48
38
4.50
0.66
0.66
36 58
Cv (UK) = Kv x 0.963
245
134
57
51
7.80
C
D
Size
1⁄4"
3
/
8
" 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 62 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 NPT M10F2RB ball valve.
Spare parts
The spare parts available are shown in solid outline. Parts drawn
in broken line are not supplied as spares.
B
ØE
A1: SW
A: Screwed BW
Available spare
Body gasket, seat and stem seal set
How to order spares
5, 6, 16, 17
Full bore
Size
1⁄4"
3
/
8
"
1⁄2"
3⁄4"
1"
11⁄4"
11⁄2"
2"
A
A1
B
C
D
E
Weight
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 - Body gasket, seat and stem seal set for a Spirax Sarco
1⁄2" M10F2FB ball valve.
60
60
66
80
96
102
118
146
58
120
63
58
120
63
61
120
66
78
157
94
95
157
99
102
180
111
118
180
117
145
245
134
26
11
0.66
26
11
0.66
29
14
0.85
33
21
1.50
37
25
2.30
41
31
3.00
48
38
4.50
57
51
9.10
6
6
16
1
7
5
5
17
M10F Ball Valve DN1⁄4" to DN21⁄2"
TI-P133-07 ST Issue 9
