Pipeline ancillaries Ball valves
10
Kv values DN
25
32
40
50
65
80
100
150
Kv
30
40
81
103
197
248
581
735
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Operating torques (Nm) DN 25 32
40
50
65
80
100
150
N m
20
25
35
60
100
120
170
400
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
2 = Zinc plated carbon steel 3 = Stainless steel
Specify
Body material
Example : 1 off Spirax Sarco DN50 M40Hi2 ISO ball valve having flanged ASME 150 connections.
Optional extras: - Self-venting ball. - Extended stems to allow full insulation: 50 mm (2") for the DN25 to DN50 and 100 mm (4") for the DN25 to DN150. - Lockable handle. - 100 mm extended stem with lockable handle.
10.3 241
TI-P133-88 CMGT Issue 3
Page 7 of 9
M40HTi (Tobacco) Reduced Bore Ball Valve DN25 to DN150 Flanged ASME 150 and ASME 300
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