Pipeline ancillaries Ball valves
10
K v values DN
25
32
40
50
65
80
100
150
200
K v
30
40
81
103
197
248
581
735
1 600
For conversion: C v (UK) = K v x 0.963 C v (US) = K v x 1.156
Operating torques (Nm) DN 25 32
40
50
65
80
100
150
200
N m
10
15
20
25
50
70
100
155
720
Note: The torque figures shown are for a valve that is frequently operated at the maximum operating pressure. Valves that are subject to long static periods, may require a greater break-out torque.
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions supplied with the product. Welding Only the models that have connections designed for welding (SW, BW, Imperial Tube connections) should be welded. Valves with flanged connections must not be welded to avoid damages to the valve and/or injury to personnel.
How to order
Model
Seat material
F = Carbon and graphite reinforced PTFE - PDR 0.8
Specify
2 = Zinc plated carbon steel 3 = Stainless steel
Material
Body material
Example: 1 off Spirax Sarco DN50 M40Fi2 ISO ball valve having flanged ASME 150 connections.
Optional extras: - Self-venting ball. - Extended stems to allow full insulation: 50 mm (2") for DN15 to DN50 sizes and 100 mm (4") for DN25 to DN200 sizes. - Lockable handle. - 100 mm extended stem with lockable handle.
10.3 221
TI-P133-82 CMGT Issue 7
Page 7 of 9
M40Fi ISO Reduced Bore Firesafe API 607 Ball Valve
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