Pipeline ancillaries Ball valves
10
Kv values DN 50
Operating torque (N m) DN 50 65 80
100 150 200
65
80
100 150 200
Nm (lbf ft)
75 (55)
120 (89)
190 (140)
250 (184)
720 (531)
1150 (848)
Kv
300 430 750 1030 2 410 4 800
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
The torque figures shown are for a valve at maximum operating pressure that is operated frequently. 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
Size
DN50, DN65, DN80, DN100, DN150, DN200
Model
M33F_ISO
Specify:
2 = Carbon steel 3 = Stainless steel
Body material
Example: 1 off Spirax Sarco DN50 flanged ANSI 150 M33F2 ISO ball valve
Flanges
ANSI 150 or ANSI 300
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, body gasket, steam seals, stem 'O' ring and seat 'O' ring set 4, 5, 7, 8, 9, 29
7.3.153
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, body gasket, stems seals and stem 'O' ring set for a Spirax Sarco DN80 flanged ANSI M33F2 ISO ball valve
8 7
10.3 142
9
29
5
4
29
4
TI-P133-64 CMGT Issue 5
Page 6 of 6
M33F ISO Full Bore Ball Valve API 6D - Firesafe API 607 DN50 to DN200 ANSI 150 and ANSI 300
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