Pipeline ancillaries Ball valves
10
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
S = Carbon and graphite reinforced PTFE - PDR 0.8 V = Virgin PTFE
Model
Seat material
Specify
2 = Carbon steel 3 = Stainless steel
Material Body material
Example: 1 off Spirax Sarco DN50 M40Vi2 ISO ball valve having flanged ASME 150 connections.
Operating torques DN 25
32
40
50
65
80
100
150
200
Nm (lbf ft)
10 (7.4)
15 (11)
20 (14.8)
25 (18.4)
50 (36.9)
70 (51.6)
100 (73.8)
155 (114.3)
720 (531)
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.
Optional extras: - Self-venting ball. - Extended stems to allow full insulation: 50 mm (2") for DN25 (1") and DN50 (2") sizes and 100 mm (4") for DN25 (1") to DN200 (8") sizes. - Lockable handle. - 100 mm extended stem with lockable handle.
10.3 211
TI-P133-78 CMGT Issue 8
Page 7 of 9
M40Si ISO and M40Vi ISO
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