Flowserve McCANNA CryoSeal Ball Valves - Manual (Page 2)

McCANNA CryoSeal ® Ball Valves FCD MMENIM2007-01-AQ – 04/15
2
Contents
1 Introduction 3
1.1 Purpose 3
1.2 User Safety 3
2 Installation Instructions 4
2.1 General 4
2.2 Flanged End Valves 4
2.3 Weld End Valves 4
2.4 Valves with Vented Cavity Relief 5
3 Periodic Inspection and Adjustment 6
3.1 General 6
3.2 Stem Seal Adjustment 6
3.3 Bonnet Gasket Bolting Re-Tightening 7
3.4 Correcting Through Leakage –Soft Seated Valves 7
3.5 Other Specially Prepared Valves 7
4 Disassembly 8
4.1 Disassembly Instructions 8
4.2 Cleaning, Inspection, Lubrication Instructions 9
5 Reassembly 10
5.1 Reassembly Instructions 10
5.2 Standard Valves 10
6 Torque Charts 14