Operating torques (Nm) Size ¼" Pipeline ancillaries Ball valves
10
"
½"
¾"
1"
1¼"
1½"
2"
2½"
Reduced bore
10
10
10
10
25
35
50
80
-
Full bore
10
10
10
25
35
50
80
-
-
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 a long static period, 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" screwed NPT M140Fa2RB ball valve. Spare parts The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares. Available spares Seats, stem seals, insert ´O´ ring and insert gasket 5 , 6 , 7 , 8 , 9 and 10 How to order spares 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 - Seats, stem seals, insert ´O´ ring and insert gasket set for a Spirax Sarco 1" M140Fa2RB ball valve.
10
9
10
10.3 332
8
7
5
6
5
TI-P133-98 CMGT Issue 2
Page 4 of 4
M140Fa Firesafe Design Ball Valve DN¼" to DN2½" Class 800
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